Volume 9, Issue 4 (winter 2006)
jwss 2006, 9(4): 111-121 |
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M. Aghaalikhani, A. Ghalavand, A. Ala. Effect of Plant Density on Yield and Yield Components of Two Cultivars and a Line of Mungbean [Vigna radiate (L.) Wilczek] In Karaj Region . jwss 2006; 9 (4) :111-121
URL: http://jstnar.iut.ac.ir/article-1-506-en.html
URL: http://jstnar.iut.ac.ir/article-1-506-en.html
Abstract: (20771 Views)
In order to evaluate the effects of plant densities (10, 13, 20 and 40 plant/m2 ) on the yield and yield components of two cultivars (Partow, Gohar) and a line (VC-1973A) of mungbean [Vigna radiata (L.) Wilczek] a field experiment was conducted at the Seed and Plant Improvement Institute (SPII) of Karaj in Summer 1998. This research carried out in a factorial experiment based on Randomized Complete Block Design (RCBD) with 4 replications. The results indicated that VC-1973A line had the highest grain yield. This line has superiority to other cultivars, due to the early and uniformity of seed maturity and easy mechanized harvest. Plant density has a significant effect (p<0.01) on the grain yield, in such a way that the densities of 20 and 10 plant/m2 outyielded the highest (2221 kg/ha) and lowest (1650 kg/ha) grain yield respectively. Among the yield components, only the number of pods per plant indicated a significant difference due to the plant density. Correlation coefficient between attributes indicated that the plant height and height of first pod internode had a positive correlation with the plant density, while the correlation of the plant density with harvest index (HI), branch number and pod number per plant was negative. More over it seems that the pod number per plant is the most important components of mungbean’s yield, because it has a high (r = 0.88) and significant (p<0.01) correlation with the grain yield.
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