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Now showing items 31-40 of 48
Selekcija pšenice na otpornost prema prouzrokovaču pepelnice / Selection for resistance to powdery mildew of wheat
(Beograd : Društvo za zaštitu bilja Srbije, 1994)
Pepelnica je veoma rasprostranjena i ekonomski značajna bolest pšenice u Srbiji. Stvaranjem i gajenjem otpornih sorata ostvaruje se najuspešnija zaštita. Ukrštanjem između osetljivih komercijalnih sorata (kragujevčanka 56, ...
Suzbijanje bolesti pšenice tokom 1991. godine
(Beograd : Društvo za zaštitu bilja Srbije, 1992)
Na pšenici se sreće veći broj patogena. Međutim, samo neki od njih pričinjavaju ekonomski značajne štete u obimu da ih je neophodno suzbijati. Ukratko ćemo se osvmuti na pojavu bolesti i njihov intenzitet u toku 1991. godine.
Virulentnost populacije Erysiphe graminis hordei u trogodišnjem periodu (1988-1991)
(Belgrade : University of Belgrade, Faculty of Agriculture, 1992)
Za analizu populacije parazita korišćene su kleistotecije sa uzoraka ječma prikupljenih u periodu od 1988. god. do 1991. god. u 19 lokaliteta Srbije, Vojvodine i Makedonije. Kulture pepelnice iz askospora zasnovane su na ...
Response of different wheat varieties to Fusarium graminearum Schwabe (scab-head blight) in condition of artificial inoculation
(General Toshevo : Institute for Wheat and Sunflower, 1995)
The study of resistance of 905 different winter and spring wheat genotypes to the agent of spike fusarioses (Fusarium graminearum) was conducted under field conditions according to artificial inoculation in different ...
Resistance of Yugoslav present and future winter wheat varieties to Puccina recondita tritici
(Proceedings, 9th European and Mediterranean Cereal Rusts & Powdery Mildews Conference, Lunteren, The Netherlands, 2-6 September 1996, 1996)
Since the early seventies, winter wheat varieties from the Institute of Field and Vegetable Crops in Novi Sad have become dominant in Yugoslav production, covering 60-80% of the acreage in wheat. Several varieties, such ...
Tolerance of Yugoslav varieties to Puccinia recondita tritici
(Kromeriž : Cereal Research Institute, 1997)
The objective of the study was to assess the tolerance of
13 Yugoslav winter wheat varieties and prospective lines to
Puccinia recondita tritici. The study lasted two years .
The line NS 81/90 exhibited the most consistent ...
Effectiveness of wheat genes for stem rust resistance
(Kromeriž : Cereal Research Institute, 1997)
The wheat stem rust, caused by Puccinia graminis Pers. f. sp. tritici Erikss. et Henn., has been observed in many locations in Yugoslavia. It occurs frequently in hilly regions in which the vegetation period is longer. ...
Tilletia vrste na pšenici: rasprostranjenost, suzbijanje i uticaj na prinos i kvalitet proizvoda
(Beograd : Društvo za zaštitu bilja Srbije, 1997)
Prema Neergaardu (1983) postoji 5 značajnih rodova fitopatogenih gljiva koje se prenose semenom pšenice. To su Tilletia, Ustilago, Fusarium, Drechslera i Septoria od kojih su prouzrokovači glavnice (Tilletia) i gari ...
Broj teleutospora Tilletia tritici kao pokazatelj kontaminiranosti zrna pšenice
(Novi Sad : Univerzitet u Novom Sadu, Tehnološki fakultet, 1997)
Biljke pšenice zaražene glavnicom ne mogu se prepoznati sve do pojave klasa iz rukavca. Zaraženi klasovi imaju nijansu plavičaste boje. Bolesna zrna su nesto šira, buretasta i imaju tamnoplavu boju. Promena boje zrna nastaje ...
Analysis of powdery mildew virulence on wheat in Yugoslavia
(Proceedings, 9th European and Mediterranean Cereal Rusts & Powdery Mildews Conference, Lunteren, The Netherlands, 2-6 September 1996, 1996)
Powdery mildew induced by the fungus Blumeria graminis tritici is a regular and economically important wheat disease in Yugoslavia. It has spread across all of the regions of growing, significantly reducing wheat yields ...