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Asian Journal of Plant Sciences
  Year: 2009 | Volume: 8 | Issue: 3 | Page No.: 245-249
DOI: 10.3923/ajps.2009.245.249
 
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The Influence of Water Stress on Biomass and Harvest Index in Three Mung Bean (Vigna radiata (L.) R. Wilczek) Cultivars

Omid Sadeghipour

Abstract:
The effect of water stress at the vegetative and reproductive growth stages and also no stress conditions on Biomass (B), Harvest Index (HI), Plant Height (PH) and Seed Protein Content (SP) of three mung bean cultivars (Partow, Barymung-2 and vc6368) were investigated. Experiment was conducted at the experimental farm of the Islamic Azad University of Shahre-rey, in Tehran, Iran, during summer 2008. The experiment was set up in a split plot on the basis of complete block design with four replications that placed water stress levels in the main plots and cultivars in sub plots. Correlation coefficients between some traits showed that, Seed Yield (SY) correlated positively with HI (r = 0.829**), B (r = 0.918**) and PH (r = 0.516**). HI correlated positively with B (r = 0.595**). Also, results indicated that the water stress decreased the B, HI and PH, while increased SP in three cultivars. Water stress at the flowering stage was more effective than vegetative stage on B, HI and SP, but less effective on PH. Cultivar partow was less affected, which showed its adaptability to the water stress conditions. Thus, mung bean is most sensitive to the water stress imposes at the flowering stage and in dry regions of Iran can be cultivated the Partow, in addition, for improvement in yield of mung bean, major emphasis should be placed on the B, HI and PH.
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How to cite this article:

Omid Sadeghipour , 2009. The Influence of Water Stress on Biomass and Harvest Index in Three Mung Bean (Vigna radiata (L.) R. Wilczek) Cultivars. Asian Journal of Plant Sciences, 8: 245-249.

DOI: 10.3923/ajps.2009.245.249

URL: https://scialert.net/abstract/?doi=ajps.2009.245.249

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