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Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho
Efekat gladovanja na različite aspekte metabolizma azota u supstratski gajenom rasadu jagoda sorte Nyoho
dc.creator | Petrović, Anamarija | |
dc.date.accessioned | 2021-04-26T19:04:54Z | |
dc.date.available | 2021-04-26T19:04:54Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 1821-3944 | |
dc.identifier.uri | http://fiver.ifvcns.rs/handle/123456789/1231 | |
dc.description.abstract | Three-week nitrogen (N) supply restriction is a way to stimulate early and uniform flower induction in forced June-bearing nursery strawberry production in Japan. In the first weeks after planting into excessively-fertigated substrates, N-starved plantings undergo drastic changes in their N utilization and N metabolism, often facing symptoms of interveinal chlorosis in their young expanding leaves. Interveinal chlorosis is reflected in delayed plant development, and consequently in yield reduction. Characterizing variations in main parameters of N metabolism in plant tissues in N-fed and N-starved strawberry plantings cv. Nyoho, this report portrays the pattern of changes in N metabolism during the nursery period. Results show that foliar NH4-N and petiole NO3-N concentrations and N-assimilating enzymes activities in plant tissue were significantly reduced due to the N-starvation, making young plants unlikely to be adaptive to N rich nutrition after planting, and that subsequent NH4-N accumulation in plant tissues can lead to sever interveinal chlorosis. | en |
dc.description.abstract | Dinje, lubenice i jagode u Japanu pripadaju povrtarskim vrstama. Poslednja dekada avgusta je period kada prestaje svako đubrenje, a pogotovo đubrenje azotnim đubrivima sadnica rasada jednorodnih (junskih) jagoda namenjenih gajenju u plastenicima u uslovima forsirane proizvodnje. Ovako 'izgladnele' biljke se krajem septembra presađuju u supstratske podloge (plastične kese punjene tresetom) koje se zatim intenzivno đubre, čime se podstiče ranije i uniformnije zametanje cvetova. Rezultati ove studije su pokazali da tokom gladovanja u fazi rasada koncentracije amonijačnog i nitratnog jona i aktivnosti enzima koji učestvuju u asimilaciji azota u biljnom tkivu značajno opadaju. Nakon presađivanja u supstratske podloge, ove 'izgladnele' mlade biljke su teško adaptibilne na uslove intenzivne prihrane azotom, te u svom tkivu akumuliraju amonijačne jone što neretko rezultira intervenalnom hlorozom mladog lisnog tkiva. Hlorotične biljke zaostaju u razvoju i daju smanjene prinose. | sr |
dc.publisher | Institut za ratarstvo i povrtarstvo, Novi Sad | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Ratarstvo i povrtarstvo / Field and Vegetable Crops Research | |
dc.subject | chlorosis | en |
dc.subject | nitrogen metabolism | en |
dc.subject | plant tissues | en |
dc.subject | strawberry | en |
dc.subject | hloroza | sr |
dc.subject | metabolizam azota | sr |
dc.subject | biljna tkiva | sr |
dc.subject | jagode | sr |
dc.title | Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho | en |
dc.title | Efekat gladovanja na različite aspekte metabolizma azota u supstratski gajenom rasadu jagoda sorte Nyoho | sr |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.epage | 30 | |
dc.citation.issue | 1 | |
dc.citation.other | 50(1): 24-30 | |
dc.citation.rank | M51 | |
dc.citation.spage | 24 | |
dc.citation.volume | 50 | |
dc.identifier.doi | 10.5937/ratpov50-3615 | |
dc.identifier.fulltext | http://fiver.ifvcns.rs/bitstream/id/177/1228.pdf | |
dc.type.version | publishedVersion |