Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits
Odgovori klonova crne topole na oporavak posle vodnog deficita u kontekstu fotosinteze, transpiracije i efikasnosti korišćenja vode
2012
Аутори
Topić, MirjanaBorišev, Milan
Župunski, Milan
Tomičić, Marina
Nikolić, Nataša
Pajević, Slobodanka
Krstić, Borivoj Đ.
Pilipović, Andrej
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Five black poplar (Populus nigra L.) genotypes were grown in a semi-controlled environment and were subjected to three different soil water regimes: control (90-70% of maximal field capacity-FC), drought followed by recovery of optimal soil water saturation (90-40% of FC) and permanent drought treatment (50-40% of FC). Variation in leaf gas exchange parameters such as photosynthetic (P) and transpiration intensity (T), as well as water use efficiency (WUE) were investigated among genotypes in their response to water deficit and recovery from drought. Recovery of soil water field capacity from 40% to 90% determined restored values of P, T and WUE. After 16 days of permanent drought (50-40% FC), strong decline of all parameters among examined genotypes was determined. Overall, significant differences among genotypes in leaf gas exchange parameters were found, which can give some indications of superiority of certain genotypes in relation to drought stress.
Pet genotipova crne topole (Populus nigra L.) su u polu-kontrolisanim uslovima izloženi različitim vodnim režimima: optimalnoj zasićenosti vodom (kontrola), suši praćenoj oporavkom optimalnog vodnog kapaciteta i tretmanu konstantne suše. U odgovoru genotipova na vodni deficit i oporavak, ispitivane su promene parametara koji se odnose na razmenu CO2 i vodene pare u listu, kao što su intenzitet fotosinteze (P) i transpiracije (T) i efikasnost korišćenja vode (WUE). Ponovno podizanje vodnog kapaciteta zemljišta na 90%, nakon vodnog deficita pri kapacitetu od 40%, uslovilo je oporavak intenziteta fotosinteze, transpiracije i efikasnosti korišćenja vode na nivoe približne vrednostima kontrolnih biljaka. Nakon 16 dana konstantne suše (vodni kapacitet u opsegu 50-40%) utvrđeno je snažno opadanje analiziranih parametara u svim genotipovima. Značajne varijacije analiziranih parametara među genotipovima ukazuju na specifične adaptivne predispozicije određenih gentipova u odnosu na sušni stres.
Кључне речи:
Populus nigra L. / genotypes / drought stress / recovery / Populus nigra L. / genotipovi / sušni stres / oporavakИзвор:
Topola, 2012, 189-190, 29-38Издавач:
- Univerzitet u Novom Sadu - Institut za nizijsko šumarstvo i životnu sredinu, Novi Sad
Финансирање / пројекти:
- Биосенсинг технологије и глобални систем за континуирана истраживања и интегрисано управљање екосистемима (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43002)
Колекције
Институција/група
FiVeRTY - JOUR AU - Topić, Mirjana AU - Borišev, Milan AU - Župunski, Milan AU - Tomičić, Marina AU - Nikolić, Nataša AU - Pajević, Slobodanka AU - Krstić, Borivoj Đ. AU - Pilipović, Andrej PY - 2012 UR - http://fiver.ifvcns.rs/handle/123456789/1134 AB - Five black poplar (Populus nigra L.) genotypes were grown in a semi-controlled environment and were subjected to three different soil water regimes: control (90-70% of maximal field capacity-FC), drought followed by recovery of optimal soil water saturation (90-40% of FC) and permanent drought treatment (50-40% of FC). Variation in leaf gas exchange parameters such as photosynthetic (P) and transpiration intensity (T), as well as water use efficiency (WUE) were investigated among genotypes in their response to water deficit and recovery from drought. Recovery of soil water field capacity from 40% to 90% determined restored values of P, T and WUE. After 16 days of permanent drought (50-40% FC), strong decline of all parameters among examined genotypes was determined. Overall, significant differences among genotypes in leaf gas exchange parameters were found, which can give some indications of superiority of certain genotypes in relation to drought stress. AB - Pet genotipova crne topole (Populus nigra L.) su u polu-kontrolisanim uslovima izloženi različitim vodnim režimima: optimalnoj zasićenosti vodom (kontrola), suši praćenoj oporavkom optimalnog vodnog kapaciteta i tretmanu konstantne suše. U odgovoru genotipova na vodni deficit i oporavak, ispitivane su promene parametara koji se odnose na razmenu CO2 i vodene pare u listu, kao što su intenzitet fotosinteze (P) i transpiracije (T) i efikasnost korišćenja vode (WUE). Ponovno podizanje vodnog kapaciteta zemljišta na 90%, nakon vodnog deficita pri kapacitetu od 40%, uslovilo je oporavak intenziteta fotosinteze, transpiracije i efikasnosti korišćenja vode na nivoe približne vrednostima kontrolnih biljaka. Nakon 16 dana konstantne suše (vodni kapacitet u opsegu 50-40%) utvrđeno je snažno opadanje analiziranih parametara u svim genotipovima. Značajne varijacije analiziranih parametara među genotipovima ukazuju na specifične adaptivne predispozicije određenih gentipova u odnosu na sušni stres. PB - Univerzitet u Novom Sadu - Institut za nizijsko šumarstvo i životnu sredinu, Novi Sad T2 - Topola T1 - Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits T1 - Odgovori klonova crne topole na oporavak posle vodnog deficita u kontekstu fotosinteze, transpiracije i efikasnosti korišćenja vode EP - 38 IS - 189-190 SP - 29 UR - https://hdl.handle.net/21.15107/rcub_fiver_1134 ER -
@article{ author = "Topić, Mirjana and Borišev, Milan and Župunski, Milan and Tomičić, Marina and Nikolić, Nataša and Pajević, Slobodanka and Krstić, Borivoj Đ. and Pilipović, Andrej", year = "2012", abstract = "Five black poplar (Populus nigra L.) genotypes were grown in a semi-controlled environment and were subjected to three different soil water regimes: control (90-70% of maximal field capacity-FC), drought followed by recovery of optimal soil water saturation (90-40% of FC) and permanent drought treatment (50-40% of FC). Variation in leaf gas exchange parameters such as photosynthetic (P) and transpiration intensity (T), as well as water use efficiency (WUE) were investigated among genotypes in their response to water deficit and recovery from drought. Recovery of soil water field capacity from 40% to 90% determined restored values of P, T and WUE. After 16 days of permanent drought (50-40% FC), strong decline of all parameters among examined genotypes was determined. Overall, significant differences among genotypes in leaf gas exchange parameters were found, which can give some indications of superiority of certain genotypes in relation to drought stress., Pet genotipova crne topole (Populus nigra L.) su u polu-kontrolisanim uslovima izloženi različitim vodnim režimima: optimalnoj zasićenosti vodom (kontrola), suši praćenoj oporavkom optimalnog vodnog kapaciteta i tretmanu konstantne suše. U odgovoru genotipova na vodni deficit i oporavak, ispitivane su promene parametara koji se odnose na razmenu CO2 i vodene pare u listu, kao što su intenzitet fotosinteze (P) i transpiracije (T) i efikasnost korišćenja vode (WUE). Ponovno podizanje vodnog kapaciteta zemljišta na 90%, nakon vodnog deficita pri kapacitetu od 40%, uslovilo je oporavak intenziteta fotosinteze, transpiracije i efikasnosti korišćenja vode na nivoe približne vrednostima kontrolnih biljaka. Nakon 16 dana konstantne suše (vodni kapacitet u opsegu 50-40%) utvrđeno je snažno opadanje analiziranih parametara u svim genotipovima. Značajne varijacije analiziranih parametara među genotipovima ukazuju na specifične adaptivne predispozicije određenih gentipova u odnosu na sušni stres.", publisher = "Univerzitet u Novom Sadu - Institut za nizijsko šumarstvo i životnu sredinu, Novi Sad", journal = "Topola", title = "Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits, Odgovori klonova crne topole na oporavak posle vodnog deficita u kontekstu fotosinteze, transpiracije i efikasnosti korišćenja vode", pages = "38-29", number = "189-190", url = "https://hdl.handle.net/21.15107/rcub_fiver_1134" }
Topić, M., Borišev, M., Župunski, M., Tomičić, M., Nikolić, N., Pajević, S., Krstić, B. Đ.,& Pilipović, A.. (2012). Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits. in Topola Univerzitet u Novom Sadu - Institut za nizijsko šumarstvo i životnu sredinu, Novi Sad.(189-190), 29-38. https://hdl.handle.net/21.15107/rcub_fiver_1134
Topić M, Borišev M, Župunski M, Tomičić M, Nikolić N, Pajević S, Krstić BĐ, Pilipović A. Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits. in Topola. 2012;(189-190):29-38. https://hdl.handle.net/21.15107/rcub_fiver_1134 .
Topić, Mirjana, Borišev, Milan, Župunski, Milan, Tomičić, Marina, Nikolić, Nataša, Pajević, Slobodanka, Krstić, Borivoj Đ., Pilipović, Andrej, "Recovery responses of photosynthesis, transpiration, and WUE in black poplar clones following water deficits" in Topola, no. 189-190 (2012):29-38, https://hdl.handle.net/21.15107/rcub_fiver_1134 .