Arid
DOI10.1111/j.1439-037X.2009.00411.x
Effects of Deficit Irrigation and Salinity Stress on Common Bean (Phaseolus Vulgaris L.) and Mungbean (Vigna Radiata (L.) Wilczek) Grown in a Controlled Environment
Bourgault, M.1; Madramootoo, C. A.1; Webber, H. A.1; Stulina, G.2; Horst, M. G.2; Smith, D. L.1
通讯作者Smith, D. L.
来源期刊JOURNAL OF AGRONOMY AND CROP SCIENCE
ISSN0931-2250
EISSN1439-037X
出版年2010
卷号196期号:4页码:262-272
英文摘要

As water for irrigation purposes becomes increasingly scarce because of climate change and population growth, there is growing interest in regulated deficit irrigation (RDI) as a way to improve efficiency of water usage and farm productivity in arid and semi-arid areas. Salinity is also becoming an important problem in these same regions. Experiments were performed to investigate the effects of RDI and salt stress on two legumes crops, common bean (Phaseolus vulgaris L.) and mungbean (Vigna radiata (L.) Wilczek); previous work showed contrasting responses to RDI by these two crops under field conditions. The seed and biomass yields of both crops were reduced as a result of increasing water deficit stress; however, mungbean was able to maintain the same proportion of its biomass in reproductive structures and maintain its harvest index under stress, whereas common bean’s decreased. In addition, photosynthesis in mungbean was higher than in common bean and higher at the same levels of transpiration. Finally, salinity stress did not affect the water potential, harvest index or the specific leaf weight of either crop. There were no interactions between salinity and crops or RDI levels, which suggest that the two crops do not differ in their response to salinity stress, and that RDI levels do not modify this response.


英文关键词common bean deficit irrigation mungbean salinity stress water stress
类型Article
语种英语
国家Canada ; Uzbekistan
收录类别SCI-E
WOS记录号WOS:000279669300003
WOS关键词ARID TROPICAL ENVIRONMENT ; WATER-USE EFFICIENCY ; VEGETATIVE GROWTH ; GRAIN LEGUMES ; DROUGHT RESISTANCE ; SODIUM-CHLORIDE ; 2 CULTIVARS ; REGIMES ; YIELD ; ACCUMULATION
WOS类目Agronomy
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/164803
作者单位1.McGill Univ, Fac Agr & Environm Sci, Ste Anne De Bellevue, PQ, Canada;
2.Cent Asian Res Inst Irrigat SANIIRI, Tashkent, Uzbekistan
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Bourgault, M.,Madramootoo, C. A.,Webber, H. A.,et al. Effects of Deficit Irrigation and Salinity Stress on Common Bean (Phaseolus Vulgaris L.) and Mungbean (Vigna Radiata (L.) Wilczek) Grown in a Controlled Environment[J],2010,196(4):262-272.
APA Bourgault, M.,Madramootoo, C. A.,Webber, H. A.,Stulina, G.,Horst, M. G.,&Smith, D. L..(2010).Effects of Deficit Irrigation and Salinity Stress on Common Bean (Phaseolus Vulgaris L.) and Mungbean (Vigna Radiata (L.) Wilczek) Grown in a Controlled Environment.JOURNAL OF AGRONOMY AND CROP SCIENCE,196(4),262-272.
MLA Bourgault, M.,et al."Effects of Deficit Irrigation and Salinity Stress on Common Bean (Phaseolus Vulgaris L.) and Mungbean (Vigna Radiata (L.) Wilczek) Grown in a Controlled Environment".JOURNAL OF AGRONOMY AND CROP SCIENCE 196.4(2010):262-272.
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