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
Апстракт
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.
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.
Кључне речи:
chlorosis / nitrogen metabolism / plant tissues / strawberry / hloroza / metabolizam azota / biljna tkiva / jagodeИзвор:
Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 2013, 50, 1, 24-30Издавач:
- Institut za ratarstvo i povrtarstvo, Novi Sad
Колекције
Институција/група
FiVeRTY - JOUR AU - Petrović, Anamarija PY - 2013 UR - http://fiver.ifvcns.rs/handle/123456789/1231 AB - 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. AB - 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. PB - Institut za ratarstvo i povrtarstvo, Novi Sad T2 - Ratarstvo i povrtarstvo / Field and Vegetable Crops Research T1 - Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho T1 - Efekat gladovanja na različite aspekte metabolizma azota u supstratski gajenom rasadu jagoda sorte Nyoho EP - 30 IS - 1 SP - 24 VL - 50 DO - 10.5937/ratpov50-3615 ER -
@article{ author = "Petrović, Anamarija", year = "2013", 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., 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.", publisher = "Institut za ratarstvo i povrtarstvo, Novi Sad", journal = "Ratarstvo i povrtarstvo / Field and Vegetable Crops Research", title = "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", pages = "30-24", number = "1", volume = "50", doi = "10.5937/ratpov50-3615" }
Petrović, A.. (2013). Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research Institut za ratarstvo i povrtarstvo, Novi Sad., 50(1), 24-30. https://doi.org/10.5937/ratpov50-3615
Petrović A. Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research. 2013;50(1):24-30. doi:10.5937/ratpov50-3615 .
Petrović, Anamarija, "Effect of nutrient starvation on some aspects of nitrogen metabolism in substrate-grown strawberry plantings cv. Nyoho" in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 50, no. 1 (2013):24-30, https://doi.org/10.5937/ratpov50-3615 . .