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Titolo:
Response of alfalfa genotypes to saline water irrigation
Autore:
Anand, A; Baig, MJ; Mandal, PK;
Indirizzi:
Indian Grassland & Fodder Res Inst, Div Crop Improvement, Jhansi 284003, Uttar Pradesh, India Indian Grassland & Fodder Res Inst Jhansi Uttar Pradesh India 284003 ndia
Titolo Testata:
BIOLOGIA PLANTARUM
fascicolo: 3, volume: 43, anno: 2000,
pagine: 455 - 457
SICI:
0006-3134(2000)43:3<455:ROAGTS>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOTOSYNTHESIS; LEAVES; STRESS; GROWTH;
Keywords:
Medicago sativa; photosynthetic rate; salinity; stomatal conductance; transpiration rate; water use efficiency;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Anand, A Indian Grassland & Fodder Res Inst, Div Crop Improvement, Jhansi 284003, Uttar Pradesh, India Indian Grassland & Fodder Res Inst Jhansi Uttar Pradesh India 284003
Citazione:
A. Anand et al., "Response of alfalfa genotypes to saline water irrigation", BIOL PLANT, 43(3), 2000, pp. 455-457

Abstract

The influence of saline water (4, 8, 12 dS m(-1)) irrigation on gas exchange and growth response of alfalfa genotypes Anand-2, T-9 and IL-112 was studied. T-9 and IL-112 showed a significant increase in net photosynthetic rate (P-N) at low salinity (4 dS m(-1)) compared to the control whereas Anand-2 maintained an unaltered P-N Reduction in P-N at higher salinities was primarily due to reduction of stomatal conductance. There was a greater reduction in transpiration rate as compared to P-N rate, which resulted in an increase in water use efficiency (WUE). High WUE may serve as one of the strategies of the plant to withstand saline environment. However, the slight increase in WUE in Anand-2 could not help in maintaining its growth. Increasein Na+ concentration in comparison to K+ concentration may also contributeto the inhibition in growth.

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Documento generato il 28/11/20 alle ore 15:21:52