TY  - JOUR
AU  - Grčak, Milosav
AU  - Grčak, Dragan
AU  - Jevtić, Radivoje
AU  - Lalošević, Mirjana
AU  - Župunski, Vesna
AU  - Orbović, Branka
AU  - Knežević, Desimir
PY  - 2022
UR  - http://fiver.ifvcns.rs/handle/123456789/3579
AB  - The harvest index of grain can be used as indicator for the potential yield of crop. The aim of this study was to determine the variation of the harvest index for wheat and triticale and differences in monocrops and intercrops systems of cultivation under different field environmental conditions. The experiment, carried out in field conditions for two consecutive years, was designed according to a randomized block system so that each species was sown in two cultivation systems as a single crop and a combined crop (wheat + pea and triticale + pea) in four replicates. The results show that, in the first year of the experiment, the value of the harvest index varied from 32.5% (triticale + pea) to 39.3% (wheat monocrop), while in the second year of the research, the value of the harvest index varied from 26.4% (wheat + pea) and 28.1% (triticale + pea). As for the components of harvest index, values of weight of grains spike-1 and weight of total above ground biomass were higher in intercrops than in monocrops system of cultivation. It can be concluded that the intercropping of cereals (triticale and wheat) and forage crops (pea) provided positive effects on weight of grains spike-1 and weight of total above ground biomass and does not diminish harvest index when compared to standard system of cultivation.
AB  - Žetveni indeks zrna može se koristiti kao indikator potencijalnog prinosa useva. Cilj ovog rada
bio je da se utvrdi varijacija žetvenog indeksa pšenice i tritikale i razlike u pojedinačnom i
združenom sistemu gajenja u različitim uslovima životne sredine na oglednom polju. Ogled je
izveden u poljskim uslovima dve uzastopne godine, koji je koncipiran po randomizovanom blok
sistemu tako da je svaka vrsta zasejana u dva sistema gajenja kao pojedinačni usev i združeni
usev (pšenica + grašak i tritikale + grašak) sa četiri ponavljanja. Uzorci biljaka za analizu
žetvenog indeksa su uzeti u završnom delu faze mlečnog nalivanja semena. Rezultati pokazuju
da je u prvoj godini eksperimenta vrednost žetvenog indeksa varirala od 32,5% (tritikale +
grašak) do 39,3% (monokultura pšenice), dok je u drugoj godini istraživanja vrednost žetvenog
indeksa varirala od 26,4% (pšenica + grašak) do 28,1% (tritikale + grašak). Što se tiče
komponenti žetvenog indeksa, vrednosti mase zrna po klasu i mase ukupne nadzemne biomase
bile su veće u združenom sistemu nego u pojedinačnom sistemu gajenja. Može se zaključiti da je
združeni usev žitarica (tritikale i pšenica) i krmnog bilja (grašak) dao pozitivne efekte na masu
zrna po klasu i masu ukupne nadzemne biomase i ne umanjuje žetveni indeks u poređenju sa
standardnim sistemom gajenja.
PB  - Beograd : Društvo genetičara Srbije
T2  - Genetika
T1  - Variation of harvest index of wheat and triticale in monocrops and intercrops system of cultivation
T1  - Variranje žetvenog indeksa kod pšenice i tritikalea u pojedinačnom i združenom usevu gajenja
EP  - 1248
IS  - 3
SP  - 1235
VL  - 54
DO  - 10.2298/GENSR2203235G
ER  - 

@article{
author = "Grčak, Milosav and Grčak, Dragan and Jevtić, Radivoje and Lalošević, Mirjana and Župunski, Vesna and Orbović, Branka and Knežević, Desimir",
year = "2022",
abstract = "The harvest index of grain can be used as indicator for the potential yield of crop. The aim of this study was to determine the variation of the harvest index for wheat and triticale and differences in monocrops and intercrops systems of cultivation under different field environmental conditions. The experiment, carried out in field conditions for two consecutive years, was designed according to a randomized block system so that each species was sown in two cultivation systems as a single crop and a combined crop (wheat + pea and triticale + pea) in four replicates. The results show that, in the first year of the experiment, the value of the harvest index varied from 32.5% (triticale + pea) to 39.3% (wheat monocrop), while in the second year of the research, the value of the harvest index varied from 26.4% (wheat + pea) and 28.1% (triticale + pea). As for the components of harvest index, values of weight of grains spike-1 and weight of total above ground biomass were higher in intercrops than in monocrops system of cultivation. It can be concluded that the intercropping of cereals (triticale and wheat) and forage crops (pea) provided positive effects on weight of grains spike-1 and weight of total above ground biomass and does not diminish harvest index when compared to standard system of cultivation., Žetveni indeks zrna može se koristiti kao indikator potencijalnog prinosa useva. Cilj ovog rada
bio je da se utvrdi varijacija žetvenog indeksa pšenice i tritikale i razlike u pojedinačnom i
združenom sistemu gajenja u različitim uslovima životne sredine na oglednom polju. Ogled je
izveden u poljskim uslovima dve uzastopne godine, koji je koncipiran po randomizovanom blok
sistemu tako da je svaka vrsta zasejana u dva sistema gajenja kao pojedinačni usev i združeni
usev (pšenica + grašak i tritikale + grašak) sa četiri ponavljanja. Uzorci biljaka za analizu
žetvenog indeksa su uzeti u završnom delu faze mlečnog nalivanja semena. Rezultati pokazuju
da je u prvoj godini eksperimenta vrednost žetvenog indeksa varirala od 32,5% (tritikale +
grašak) do 39,3% (monokultura pšenice), dok je u drugoj godini istraživanja vrednost žetvenog
indeksa varirala od 26,4% (pšenica + grašak) do 28,1% (tritikale + grašak). Što se tiče
komponenti žetvenog indeksa, vrednosti mase zrna po klasu i mase ukupne nadzemne biomase
bile su veće u združenom sistemu nego u pojedinačnom sistemu gajenja. Može se zaključiti da je
združeni usev žitarica (tritikale i pšenica) i krmnog bilja (grašak) dao pozitivne efekte na masu
zrna po klasu i masu ukupne nadzemne biomase i ne umanjuje žetveni indeks u poređenju sa
standardnim sistemom gajenja.",
publisher = "Beograd : Društvo genetičara Srbije",
journal = "Genetika",
title = "Variation of harvest index of wheat and triticale in monocrops and intercrops system of cultivation, Variranje žetvenog indeksa kod pšenice i tritikalea u pojedinačnom i združenom usevu gajenja",
pages = "1248-1235",
number = "3",
volume = "54",
doi = "10.2298/GENSR2203235G"
}

Grčak, M., Grčak, D., Jevtić, R., Lalošević, M., Župunski, V., Orbović, B.,& Knežević, D.. (2022). Variation of harvest index of wheat and triticale in monocrops and intercrops system of cultivation. in Genetika
Beograd : Društvo genetičara Srbije., 54(3), 1235-1248.
https://doi.org/10.2298/GENSR2203235G

Grčak M, Grčak D, Jevtić R, Lalošević M, Župunski V, Orbović B, Knežević D. Variation of harvest index of wheat and triticale in monocrops and intercrops system of cultivation. in Genetika. 2022;54(3):1235-1248.
doi:10.2298/GENSR2203235G .

Grčak, Milosav, Grčak, Dragan, Jevtić, Radivoje, Lalošević, Mirjana, Župunski, Vesna, Orbović, Branka, Knežević, Desimir, "Variation of harvest index of wheat and triticale in monocrops and intercrops system of cultivation" in Genetika, 54, no. 3 (2022):1235-1248,
https://doi.org/10.2298/GENSR2203235G . .

TY  - JOUR
AU  - Rajičić, Vera
AU  - Popović, Vera
AU  - Terzić, Dragan
AU  - Grčak, Dragan
AU  - Dugalić, Marijana
AU  - Mihailović, Andreja
AU  - Grčak, Milosav
AU  - Ugrenović, Vladan
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/2004
AB  - In order to determine the effect of fertilization, environment, and their interactions on the yield and oats yield components. Five fertilization treatments (T1-control, T2-80 kg N ha(-1), T3-120 kg N ha(-1), 80 kg P2O5 ha(-1) and 80 kg K2O ha(-1), T4-N120P80K80 + 5 t ha(-1) of lime and T5-N120P80K80 + 5 t ha(-1) of lime + 30 t ha(-1) of farmyard manure) were examined during three growing seasons in Kraljevo location in Western Serbia. Grain yield (GY), 1000 grain weight (TGW), hectolitre weight (HW), plant height (PH), panicle length (PL), number of grains per panicle (NGP) and protein content (PC) were analysed. The aim of the study was to determine the effect of organic and mineral fertilization and calcification on the yield and oats yield components. On average, for all fertilizer variants, during the three-year trial, the highest yield of oats 3802 kg ha(-1) was obtained in the fertilizer variant with the combined application of NPK fertilizers, lime and manure. Positive highly significant correlation, during in the study trial were found between yields with PH, PL and NGP. Negative and highly significant dependencies were found between protein content with GY, PH and NGP. The results of these studies indicate the importance of rational introduction of adequate quantities of fertilization, calcification and humization in order to make oats as profitable as possible in the agro-ecological conditions in Pannonian Environments.
PB  - Univ Agr Sci & Veterinary Med Cluj-Napoca, Cluj-Napoca
T2  - Notulae Botanicae Horti Agrobotanici Cluj-Napoca
T1  - Impact of lime and NPK fertilizers on yield and quality of oats on pseudogley soil and their valorisation
EP  - 2152
IS  - 4
SP  - 2134
VL  - 48
DO  - 10.15835/48412106
ER  - 

@article{
author = "Rajičić, Vera and Popović, Vera and Terzić, Dragan and Grčak, Dragan and Dugalić, Marijana and Mihailović, Andreja and Grčak, Milosav and Ugrenović, Vladan",
year = "2020",
abstract = "In order to determine the effect of fertilization, environment, and their interactions on the yield and oats yield components. Five fertilization treatments (T1-control, T2-80 kg N ha(-1), T3-120 kg N ha(-1), 80 kg P2O5 ha(-1) and 80 kg K2O ha(-1), T4-N120P80K80 + 5 t ha(-1) of lime and T5-N120P80K80 + 5 t ha(-1) of lime + 30 t ha(-1) of farmyard manure) were examined during three growing seasons in Kraljevo location in Western Serbia. Grain yield (GY), 1000 grain weight (TGW), hectolitre weight (HW), plant height (PH), panicle length (PL), number of grains per panicle (NGP) and protein content (PC) were analysed. The aim of the study was to determine the effect of organic and mineral fertilization and calcification on the yield and oats yield components. On average, for all fertilizer variants, during the three-year trial, the highest yield of oats 3802 kg ha(-1) was obtained in the fertilizer variant with the combined application of NPK fertilizers, lime and manure. Positive highly significant correlation, during in the study trial were found between yields with PH, PL and NGP. Negative and highly significant dependencies were found between protein content with GY, PH and NGP. The results of these studies indicate the importance of rational introduction of adequate quantities of fertilization, calcification and humization in order to make oats as profitable as possible in the agro-ecological conditions in Pannonian Environments.",
publisher = "Univ Agr Sci & Veterinary Med Cluj-Napoca, Cluj-Napoca",
journal = "Notulae Botanicae Horti Agrobotanici Cluj-Napoca",
title = "Impact of lime and NPK fertilizers on yield and quality of oats on pseudogley soil and their valorisation",
pages = "2152-2134",
number = "4",
volume = "48",
doi = "10.15835/48412106"
}

Rajičić, V., Popović, V., Terzić, D., Grčak, D., Dugalić, M., Mihailović, A., Grčak, M.,& Ugrenović, V.. (2020). Impact of lime and NPK fertilizers on yield and quality of oats on pseudogley soil and their valorisation. in Notulae Botanicae Horti Agrobotanici Cluj-Napoca
Univ Agr Sci & Veterinary Med Cluj-Napoca, Cluj-Napoca., 48(4), 2134-2152.
https://doi.org/10.15835/48412106

Rajičić V, Popović V, Terzić D, Grčak D, Dugalić M, Mihailović A, Grčak M, Ugrenović V. Impact of lime and NPK fertilizers on yield and quality of oats on pseudogley soil and their valorisation. in Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 2020;48(4):2134-2152.
doi:10.15835/48412106 .

Rajičić, Vera, Popović, Vera, Terzić, Dragan, Grčak, Dragan, Dugalić, Marijana, Mihailović, Andreja, Grčak, Milosav, Ugrenović, Vladan, "Impact of lime and NPK fertilizers on yield and quality of oats on pseudogley soil and their valorisation" in Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 48, no. 4 (2020):2134-2152,
https://doi.org/10.15835/48412106 . .

TY  - JOUR
AU  - Grčak, Milosav
AU  - Grčak, Dragan
AU  - Penjišević, Aleksandra
AU  - Simjanović, Dušan
AU  - Orbović, Branka
AU  - Đukić, Nevena
AU  - Rajičić, Vera
PY  - 2020
UR  - http://fiver.ifvcns.rs/handle/123456789/1955
AB  - The total area under cereals during 2018 remained at a long-term stable level of about 1.7 million hectares. Maize and wheat are the most important crops grown in the Republic of Serbia. In the structure of harvested areas under cereals, maize dominates (53%), followed by wheat (38%). The objective of this paper was to determine if there was a recognisable trend line for the production of these crops in the 2007-2018 period. The yield data (Area harvested (ha), Production (tonnes), Production (t/ha)) were collected from the Statistical Office of the Republic of Serbia. Calculations of relevant and valid trends using central tendency measures, dispersion measures, relative ratios and percentage growth were used for statistical data processing. During the observation period, the average annual growth in maize yield was 6.38%, while the average annual growth in wheat yield was slightly lower, 2.00%. However, it is not possible to create an appropriate trend line for any of the variables in order to predict a future time period, since the coefficient of determination is low.
AB  - Ukupna poljoprivredna površina pod strnim žitima u 2018. godini nije puno varirala u odnosu na prethodne godine i iznosila je oko 1.7 miliona hektara. Kukuruz i pšenica predstavljaju najznačajnije biljne kulture koje se gaje u Republici Srbiji. U strukturi požnjevenih površina pod žitaricama kukuruz je dominirao sa čak 53% i bio je praćen od strane pšenice sa 38%. Cilj ovog rada bio je utvrditi postoji li prepoznatljiva linija trenda proizvodnje ovih kultura za period od 2007. do 2018. godine. Podaci o prinosu (požnjevena površina (ha), proizvodnja (u tonama), prinos (t/ha)) prikupljeni su od Republičkog zavoda za statistiku. Za statističku obradu podataka korišćeni su proračuni relevantnih i validnih kretanja primenom mera centralne tendencije, mera disperzije, relativnih pokazatelja i procentualnog rasta. Prosečni godišnji rast prinosa kukuruza u posmatranom periodu iznosi 6,38%, dok je za pšenicu prosečan godišnji rast u posmatranom periodu nešto manji i iznosi 2,00%. Međutim, ni za jednu od promenljivih nije moguće napraviti odgovarajuću liniju trenda, u cilju predviđanja za budući vremenski period, jer je koeficijent determinacije mali.
PB  - Univerzitet u Kragujevcu - Agronomski fakultet, Čačak
T2  - Acta agriculturae Serbica
T1  - The trends in maize and wheat production in the Republic of Serbia
EP  - 127
IS  - 50
SP  - 121
VL  - 25
DO  - 10.5937/AASer2050121G
ER  - 

@article{
author = "Grčak, Milosav and Grčak, Dragan and Penjišević, Aleksandra and Simjanović, Dušan and Orbović, Branka and Đukić, Nevena and Rajičić, Vera",
year = "2020",
abstract = "The total area under cereals during 2018 remained at a long-term stable level of about 1.7 million hectares. Maize and wheat are the most important crops grown in the Republic of Serbia. In the structure of harvested areas under cereals, maize dominates (53%), followed by wheat (38%). The objective of this paper was to determine if there was a recognisable trend line for the production of these crops in the 2007-2018 period. The yield data (Area harvested (ha), Production (tonnes), Production (t/ha)) were collected from the Statistical Office of the Republic of Serbia. Calculations of relevant and valid trends using central tendency measures, dispersion measures, relative ratios and percentage growth were used for statistical data processing. During the observation period, the average annual growth in maize yield was 6.38%, while the average annual growth in wheat yield was slightly lower, 2.00%. However, it is not possible to create an appropriate trend line for any of the variables in order to predict a future time period, since the coefficient of determination is low., Ukupna poljoprivredna površina pod strnim žitima u 2018. godini nije puno varirala u odnosu na prethodne godine i iznosila je oko 1.7 miliona hektara. Kukuruz i pšenica predstavljaju najznačajnije biljne kulture koje se gaje u Republici Srbiji. U strukturi požnjevenih površina pod žitaricama kukuruz je dominirao sa čak 53% i bio je praćen od strane pšenice sa 38%. Cilj ovog rada bio je utvrditi postoji li prepoznatljiva linija trenda proizvodnje ovih kultura za period od 2007. do 2018. godine. Podaci o prinosu (požnjevena površina (ha), proizvodnja (u tonama), prinos (t/ha)) prikupljeni su od Republičkog zavoda za statistiku. Za statističku obradu podataka korišćeni su proračuni relevantnih i validnih kretanja primenom mera centralne tendencije, mera disperzije, relativnih pokazatelja i procentualnog rasta. Prosečni godišnji rast prinosa kukuruza u posmatranom periodu iznosi 6,38%, dok je za pšenicu prosečan godišnji rast u posmatranom periodu nešto manji i iznosi 2,00%. Međutim, ni za jednu od promenljivih nije moguće napraviti odgovarajuću liniju trenda, u cilju predviđanja za budući vremenski period, jer je koeficijent determinacije mali.",
publisher = "Univerzitet u Kragujevcu - Agronomski fakultet, Čačak",
journal = "Acta agriculturae Serbica",
title = "The trends in maize and wheat production in the Republic of Serbia",
pages = "127-121",
number = "50",
volume = "25",
doi = "10.5937/AASer2050121G"
}

Grčak, M., Grčak, D., Penjišević, A., Simjanović, D., Orbović, B., Đukić, N.,& Rajičić, V.. (2020). The trends in maize and wheat production in the Republic of Serbia. in Acta agriculturae Serbica
Univerzitet u Kragujevcu - Agronomski fakultet, Čačak., 25(50), 121-127.
https://doi.org/10.5937/AASer2050121G

Grčak M, Grčak D, Penjišević A, Simjanović D, Orbović B, Đukić N, Rajičić V. The trends in maize and wheat production in the Republic of Serbia. in Acta agriculturae Serbica. 2020;25(50):121-127.
doi:10.5937/AASer2050121G .

Grčak, Milosav, Grčak, Dragan, Penjišević, Aleksandra, Simjanović, Dušan, Orbović, Branka, Đukić, Nevena, Rajičić, Vera, "The trends in maize and wheat production in the Republic of Serbia" in Acta agriculturae Serbica, 25, no. 50 (2020):121-127,
https://doi.org/10.5937/AASer2050121G . .

TY  - JOUR
AU  - Grčak, Milosav
AU  - Grčak, Dragan
AU  - Župunski, Vesna
AU  - Jevtić, Radivoje
AU  - Lalošević, Mirjana
AU  - Radosavac, Adriana
AU  - Kondić, Danijela
AU  - Živić, Jelica
AU  - Paunović, Aleksandar
AU  - Zečević, Veselinka
AU  - Mićanović, Danica
AU  - Knežević, Desimir
PY  - 2019
UR  - http://fiver.ifvcns.rs/handle/123456789/1938
AB  - Advantages or disadvantages of intercropping system can estimate through expression of components of yield on the base of values of productive organs (spike, pod). The aim of this work was study of variation of spike index in cereals species and pods index in pea of spring intercropping. For investigation included spring species of small grains: wheat, triticale, oat and spring legume pea. The investigation was carried out in field condition in experiment with randomised block design of 5m2 plots, with 4 replications. Each species (cereals and pea) were sown sole and in intercrops wheat+pea, triticale+pea and oat+pea. At the maturity stage used 40 plants (10 plants/replication) for determining harvest index of spike in cereal species and index of pea pods on the base of analysis of spike mass and pod mass and seed mass spike-1 and seed mass pod-1 . Seed mass spike-1 of small grains species genotypes variate in ratio of 0.85 g (wheat+pea) and 1.59 g (oat intercrops) with average 1.19 g for all crops of cereals and variant of cultivation. The spike mass variate in range of 1.37 g (triticale intercrop) and 2.23 g (wheat intercrops) with average 1.72 g for all cereals and variant of cultivation. Harvest index of spike variate between 62.5% (triticale sole) and 89.2% (oat sole). The value of spike mass was the higher in wheat intercrops than in wheat sole, while for triticale and oat spike mass is lower in intercrops. In the same of analyzed small grain species, seed mass was the higher in sole crops than in mixture with pea. The spike index, only in intercrop triticale+pea (63.2%) was slightly higher than in single crop of triticale (62.5%). Pod mass and seed mass pod-1 of pea was the higher in pea intercrops than in pea sole. The highest pod mass was in intercrop pea+triticale (0.72 g) and the least in single crop of pea (0.45 g) with average 0.62 g for all crops. The highest seed mass pod-1 was the highest intercrop pea+triticale (0.56g) and the least in monocrop of pea (0.32 g) with average 0.46 g for all crops. Harvest index of pod variate in ratio 68.0% (pea single) and 77.% in pea/triticale intercrop. Pod index of pea in mixture with each small grains species genotypes was higher than in pea's monocrop. On the base of result we can conclude that intercropping cereals + pea, have positive effect on spike and pod characteristics which values were higher in majority of studied intercrops than in monocrops.
AB  - Prednosti i nedostaci združenih useva mogu se oceniti prema ispoljavanja komponenti prinosa na osnovu vrednosti produktivnih organa (klas, mahuna). Cilj ovog rad je izučavanje varijabilnosti žetvenog indeksa klasa pšenice, tritikalea, ovsa i žetvenog indeksa mahune kod graška gajenim u pojedinačnim i združenim usevima. U istraživanja je uključen po jedan genotip jarih formi pšenice, tritikalea, ovsa i graška. Eksperiment je izveden na oglednom polju Rimski šančevi u Institutu za ratarstvo i povrtarstvo Novi Sad. Genotipovi strnih žita i graška su sejani na parcelicama 5 m2 u 4 ponavljanja u monokulturi i u združenoj setvi pšenica + grašak, tritikale + grašak i ovas+grašak. U vreme fiziološke zrelosti vršena je žetva biljke koje su korišćene za analizu osobina klasa i metlice kod strnih žita i osobina mahune kod graška. Za analize je korišćeno 40 biljaka (10 biljaka po ponavljanju) za svaki genotip iz pojedinačnih i združenih useva. Analizirane su osobine: masa klasa, masa semena po klasu, masa mahune i masa semena po mahuni. Na osnovu vrednosti ovih osobina izračunat je žetveni indeks klasa kod pšenice, tritikalea i ovsa kao i žetveni indeks mahune kod graška. Masa klasa je varirala između 1.37 g kod tritikalea u združenom usevu sa graškom, do 2.23 g kod pšenice u združenom usevu sa graškom, a prosečna masa klasu za sve genotipove u obe varijante gajenja je iznosila 1.72 g. Masa semena po klasu je varirala od 0.85 g kod pšenice u združenom usevu (pšenica+grašak) i u do 1.52 g kod ovsa u združenom usevu sa graškom, a prosečna masa semena po klasu za sve genotipove u obe varijante gajenja je iznosila 1.19 g. Žetveni indeks klasa je bio najmanji 62.5% kod tritikalea u pojedinačnm usevu a najveći kod ovsa 86.5% takodje u monokulturi. Vrednosti mase klasa i mase semena po klasu su bile različite u zavisnosti od vrste strnih žita i načina setve i gajenja useva. Masa klasa kod pšenice u združenom usevu sa graškom je bila veća nego kod pšenice u pojedinačnom usevu. Kod tritikalea i ovsa masa klasa je bila veća u pojedinačnom usevu nego u njihovom združenom usevu sa graškom. Masa semena po klasu kod pšenice, tritikalea i ovsa bila je veća u pojedinačnom usevu nego u njihovom združenom usevu sa graškom. Žetveni indeks klasa u monokulturi: kod pšenice (71.9%) je bio veći nego u združenom usevu pšenica+grašak (70.8%), kod tritikalea (65.3%) je bio veći nego u združenom usevu (tritikale+grašak) i kod ovsa (89.2%) je bio veći nego u združenom usevu sa graškom (88.1%). Kod graška, masa semena po mahuni je varirala od 0.33 g u pojedinačnom usevu do 0.57 g u združenoj setvi sa tritikaleom, a prosečna masa semena po mahuni u oba sistema gajenja bila 0.46 g. Masa mahune je bila najmanja kod graška u pojedinačnom usevu 0.45g a najveća 0.72 g u združenom usevu sa tritikaleom, a prosečna vrednost mahune u svim varijantama gajenja je iznosila 0.59 g. Žetveni indeks mahune je varirao između 72.9% u pojedinačnom usevu graška i 79.4% u usevu združene setve graška i ovsa. Vrednosti za masu mahune, masu semena po mahuni i žetveni indeks mahune su bile veće u združenim usevima graška sa pšenicom, tritikaleom i ovsom ali nizi bile značajno različite. Dobijeni rezultata, ukazuju da združena setva graška i strnih žita ima pozitivan efekat na ispoljavanje većih vrednosti osobina klasa i osobina mahune.
PB  - Univerzitet u Kragujevcu - Agronomski fakultet, Čačak
T2  - Acta agriculturae Serbica
T1  - Effect of cereals + pea intercropping on spike index of spring wheat, triticale, oat and pods index of pea
T1  - Uticaj združenog useva žitarica + grašak na indeks klasa jarih formi pšenice, tritikale, ovsa i indeks mahune graška
EP  - 180
IS  - 48
SP  - 167
VL  - 24
DO  - 10.5937/AASer1948167G
ER  - 

@article{
author = "Grčak, Milosav and Grčak, Dragan and Župunski, Vesna and Jevtić, Radivoje and Lalošević, Mirjana and Radosavac, Adriana and Kondić, Danijela and Živić, Jelica and Paunović, Aleksandar and Zečević, Veselinka and Mićanović, Danica and Knežević, Desimir",
year = "2019",
abstract = "Advantages or disadvantages of intercropping system can estimate through expression of components of yield on the base of values of productive organs (spike, pod). The aim of this work was study of variation of spike index in cereals species and pods index in pea of spring intercropping. For investigation included spring species of small grains: wheat, triticale, oat and spring legume pea. The investigation was carried out in field condition in experiment with randomised block design of 5m2 plots, with 4 replications. Each species (cereals and pea) were sown sole and in intercrops wheat+pea, triticale+pea and oat+pea. At the maturity stage used 40 plants (10 plants/replication) for determining harvest index of spike in cereal species and index of pea pods on the base of analysis of spike mass and pod mass and seed mass spike-1 and seed mass pod-1 . Seed mass spike-1 of small grains species genotypes variate in ratio of 0.85 g (wheat+pea) and 1.59 g (oat intercrops) with average 1.19 g for all crops of cereals and variant of cultivation. The spike mass variate in range of 1.37 g (triticale intercrop) and 2.23 g (wheat intercrops) with average 1.72 g for all cereals and variant of cultivation. Harvest index of spike variate between 62.5% (triticale sole) and 89.2% (oat sole). The value of spike mass was the higher in wheat intercrops than in wheat sole, while for triticale and oat spike mass is lower in intercrops. In the same of analyzed small grain species, seed mass was the higher in sole crops than in mixture with pea. The spike index, only in intercrop triticale+pea (63.2%) was slightly higher than in single crop of triticale (62.5%). Pod mass and seed mass pod-1 of pea was the higher in pea intercrops than in pea sole. The highest pod mass was in intercrop pea+triticale (0.72 g) and the least in single crop of pea (0.45 g) with average 0.62 g for all crops. The highest seed mass pod-1 was the highest intercrop pea+triticale (0.56g) and the least in monocrop of pea (0.32 g) with average 0.46 g for all crops. Harvest index of pod variate in ratio 68.0% (pea single) and 77.% in pea/triticale intercrop. Pod index of pea in mixture with each small grains species genotypes was higher than in pea's monocrop. On the base of result we can conclude that intercropping cereals + pea, have positive effect on spike and pod characteristics which values were higher in majority of studied intercrops than in monocrops., Prednosti i nedostaci združenih useva mogu se oceniti prema ispoljavanja komponenti prinosa na osnovu vrednosti produktivnih organa (klas, mahuna). Cilj ovog rad je izučavanje varijabilnosti žetvenog indeksa klasa pšenice, tritikalea, ovsa i žetvenog indeksa mahune kod graška gajenim u pojedinačnim i združenim usevima. U istraživanja je uključen po jedan genotip jarih formi pšenice, tritikalea, ovsa i graška. Eksperiment je izveden na oglednom polju Rimski šančevi u Institutu za ratarstvo i povrtarstvo Novi Sad. Genotipovi strnih žita i graška su sejani na parcelicama 5 m2 u 4 ponavljanja u monokulturi i u združenoj setvi pšenica + grašak, tritikale + grašak i ovas+grašak. U vreme fiziološke zrelosti vršena je žetva biljke koje su korišćene za analizu osobina klasa i metlice kod strnih žita i osobina mahune kod graška. Za analize je korišćeno 40 biljaka (10 biljaka po ponavljanju) za svaki genotip iz pojedinačnih i združenih useva. Analizirane su osobine: masa klasa, masa semena po klasu, masa mahune i masa semena po mahuni. Na osnovu vrednosti ovih osobina izračunat je žetveni indeks klasa kod pšenice, tritikalea i ovsa kao i žetveni indeks mahune kod graška. Masa klasa je varirala između 1.37 g kod tritikalea u združenom usevu sa graškom, do 2.23 g kod pšenice u združenom usevu sa graškom, a prosečna masa klasu za sve genotipove u obe varijante gajenja je iznosila 1.72 g. Masa semena po klasu je varirala od 0.85 g kod pšenice u združenom usevu (pšenica+grašak) i u do 1.52 g kod ovsa u združenom usevu sa graškom, a prosečna masa semena po klasu za sve genotipove u obe varijante gajenja je iznosila 1.19 g. Žetveni indeks klasa je bio najmanji 62.5% kod tritikalea u pojedinačnm usevu a najveći kod ovsa 86.5% takodje u monokulturi. Vrednosti mase klasa i mase semena po klasu su bile različite u zavisnosti od vrste strnih žita i načina setve i gajenja useva. Masa klasa kod pšenice u združenom usevu sa graškom je bila veća nego kod pšenice u pojedinačnom usevu. Kod tritikalea i ovsa masa klasa je bila veća u pojedinačnom usevu nego u njihovom združenom usevu sa graškom. Masa semena po klasu kod pšenice, tritikalea i ovsa bila je veća u pojedinačnom usevu nego u njihovom združenom usevu sa graškom. Žetveni indeks klasa u monokulturi: kod pšenice (71.9%) je bio veći nego u združenom usevu pšenica+grašak (70.8%), kod tritikalea (65.3%) je bio veći nego u združenom usevu (tritikale+grašak) i kod ovsa (89.2%) je bio veći nego u združenom usevu sa graškom (88.1%). Kod graška, masa semena po mahuni je varirala od 0.33 g u pojedinačnom usevu do 0.57 g u združenoj setvi sa tritikaleom, a prosečna masa semena po mahuni u oba sistema gajenja bila 0.46 g. Masa mahune je bila najmanja kod graška u pojedinačnom usevu 0.45g a najveća 0.72 g u združenom usevu sa tritikaleom, a prosečna vrednost mahune u svim varijantama gajenja je iznosila 0.59 g. Žetveni indeks mahune je varirao između 72.9% u pojedinačnom usevu graška i 79.4% u usevu združene setve graška i ovsa. Vrednosti za masu mahune, masu semena po mahuni i žetveni indeks mahune su bile veće u združenim usevima graška sa pšenicom, tritikaleom i ovsom ali nizi bile značajno različite. Dobijeni rezultata, ukazuju da združena setva graška i strnih žita ima pozitivan efekat na ispoljavanje većih vrednosti osobina klasa i osobina mahune.",
publisher = "Univerzitet u Kragujevcu - Agronomski fakultet, Čačak",
journal = "Acta agriculturae Serbica",
title = "Effect of cereals + pea intercropping on spike index of spring wheat, triticale, oat and pods index of pea, Uticaj združenog useva žitarica + grašak na indeks klasa jarih formi pšenice, tritikale, ovsa i indeks mahune graška",
pages = "180-167",
number = "48",
volume = "24",
doi = "10.5937/AASer1948167G"
}

Grčak, M., Grčak, D., Župunski, V., Jevtić, R., Lalošević, M., Radosavac, A., Kondić, D., Živić, J., Paunović, A., Zečević, V., Mićanović, D.,& Knežević, D.. (2019). Effect of cereals + pea intercropping on spike index of spring wheat, triticale, oat and pods index of pea. in Acta agriculturae Serbica
Univerzitet u Kragujevcu - Agronomski fakultet, Čačak., 24(48), 167-180.
https://doi.org/10.5937/AASer1948167G

Grčak M, Grčak D, Župunski V, Jevtić R, Lalošević M, Radosavac A, Kondić D, Živić J, Paunović A, Zečević V, Mićanović D, Knežević D. Effect of cereals + pea intercropping on spike index of spring wheat, triticale, oat and pods index of pea. in Acta agriculturae Serbica. 2019;24(48):167-180.
doi:10.5937/AASer1948167G .

Grčak, Milosav, Grčak, Dragan, Župunski, Vesna, Jevtić, Radivoje, Lalošević, Mirjana, Radosavac, Adriana, Kondić, Danijela, Živić, Jelica, Paunović, Aleksandar, Zečević, Veselinka, Mićanović, Danica, Knežević, Desimir, "Effect of cereals + pea intercropping on spike index of spring wheat, triticale, oat and pods index of pea" in Acta agriculturae Serbica, 24, no. 48 (2019):167-180,
https://doi.org/10.5937/AASer1948167G . .

TY  - JOUR
AU  - Grčak, Milosav
AU  - Grčak, Dragan
AU  - Jevtić, Radivoje
AU  - Lalošević, Mirjana
AU  - Kondić, Danijela
AU  - Živić, Jelica
AU  - Knežević, Desimir
PY  - 2019
UR  - http://fiver.ifvcns.rs/handle/123456789/1866
AB  - Parameters of plant productive organs (spike, pod etc.) are influenced by genotype of plant species and scientific technology farming measures as well environmental conditions. The aim of this study was to establish variability of spike harvest index for wheat, triticale, rye, oat and pea pods index, influenced by monocrops and intercrops system of cultivation. Four cereal species: wheat, triticale, rye and oat and one legume (pea) were included in investigation that carried out on field experimental conditions during one vegetation season. Each species were sown in monocrops and in intercrops wheat + pea, triticale + pea, rye + pea and oat + pea. Harvest index of spike variate between 65.2% (triticale intercrops) and 86.5% (oat solo). The values of spike weight and seed weight was different among the cereal species and higher in intercrops than in monocrop system of cultivation. However, only for rye in mixture with pea, harvest index 78.8%) was higher than in monocrops of rye (77.0%). Harvest index of pod variate in ratio 50.3% (pea solo) and 69.5% (in intercrops pea + rye). The values of pod weight and seed weight pod(-1) was different and higher in intercrops than in monocrops system of cultivation. Harvest pod index of peas was significantly higher in mixture with each small grains species genotypes than in pea's monocrops. On the base of result we can conclude that intercropping cereals + peas, have positive effect on spike and pod characteristics which values were higher in intercrops than in monocrops.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika-Belgrade
T1  - Variation of spike index of cereal and index of pea pods in monocrops and intercrops system of cultivation
EP  - 1196
IS  - 3
SP  - 1185
VL  - 51
DO  - 10.2298/GENSR1903185G
ER  - 

@article{
author = "Grčak, Milosav and Grčak, Dragan and Jevtić, Radivoje and Lalošević, Mirjana and Kondić, Danijela and Živić, Jelica and Knežević, Desimir",
year = "2019",
abstract = "Parameters of plant productive organs (spike, pod etc.) are influenced by genotype of plant species and scientific technology farming measures as well environmental conditions. The aim of this study was to establish variability of spike harvest index for wheat, triticale, rye, oat and pea pods index, influenced by monocrops and intercrops system of cultivation. Four cereal species: wheat, triticale, rye and oat and one legume (pea) were included in investigation that carried out on field experimental conditions during one vegetation season. Each species were sown in monocrops and in intercrops wheat + pea, triticale + pea, rye + pea and oat + pea. Harvest index of spike variate between 65.2% (triticale intercrops) and 86.5% (oat solo). The values of spike weight and seed weight was different among the cereal species and higher in intercrops than in monocrop system of cultivation. However, only for rye in mixture with pea, harvest index 78.8%) was higher than in monocrops of rye (77.0%). Harvest index of pod variate in ratio 50.3% (pea solo) and 69.5% (in intercrops pea + rye). The values of pod weight and seed weight pod(-1) was different and higher in intercrops than in monocrops system of cultivation. Harvest pod index of peas was significantly higher in mixture with each small grains species genotypes than in pea's monocrops. On the base of result we can conclude that intercropping cereals + peas, have positive effect on spike and pod characteristics which values were higher in intercrops than in monocrops.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika-Belgrade",
title = "Variation of spike index of cereal and index of pea pods in monocrops and intercrops system of cultivation",
pages = "1196-1185",
number = "3",
volume = "51",
doi = "10.2298/GENSR1903185G"
}

Grčak, M., Grčak, D., Jevtić, R., Lalošević, M., Kondić, D., Živić, J.,& Knežević, D.. (2019). Variation of spike index of cereal and index of pea pods in monocrops and intercrops system of cultivation. in Genetika-Belgrade
Društvo genetičara Srbije, Beograd., 51(3), 1185-1196.
https://doi.org/10.2298/GENSR1903185G

Grčak M, Grčak D, Jevtić R, Lalošević M, Kondić D, Živić J, Knežević D. Variation of spike index of cereal and index of pea pods in monocrops and intercrops system of cultivation. in Genetika-Belgrade. 2019;51(3):1185-1196.
doi:10.2298/GENSR1903185G .

Grčak, Milosav, Grčak, Dragan, Jevtić, Radivoje, Lalošević, Mirjana, Kondić, Danijela, Živić, Jelica, Knežević, Desimir, "Variation of spike index of cereal and index of pea pods in monocrops and intercrops system of cultivation" in Genetika-Belgrade, 51, no. 3 (2019):1185-1196,
https://doi.org/10.2298/GENSR1903185G . .