Volume 9, Issue 22 (9-2017)                   jcb 2017, 9(22): 191-199 | Back to browse issues page

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Correlation between Morphological New Genotype of Rice in the West Mazandaran. jcb. 2017; 9 (22) :191-199
URL: http://jcb.sanru.ac.ir/article-1-853-en.html
Abstract:   (955 Views)
In order to investigate the relationship between morphological properties and choose suitable criteria for improving this research yield on ten new breeding lines and varieties of rice (control) modified rice cultivation area (Shiroodi cultivar) in the crop during 2010 in Tonekabon Rice Research Station in a randomized complete block design with four replications. The results showed that rice genotypes for all traits studied there was a significant difference in the level of one percent. Shiroodi cultivars yield and lines 1 and 2 produced the highest grain than others. Grain yield with fertile tiller number per plant and 100-grain weight was positive correlation and significant was respectively 0.66 and 0.71. The grain yield with plant length at 45 days after seedling, the tiller number, fertile till number per plant and non-fertile tiller number, flag leaf length and flag leaf width, area flag leaf, grain length, grain width, and number of grains per panicle positive correlation non-significant and with plant height treat in maturity and leaf length to width ratio, ratio of grain length to width, panicle length and distance last node non-significant negative correlation. Stepwise regression analysis results showed that the trait of 100-grain weight and a number of fertile tillers per plant had the greatest effect on grain yield increase. Path analysis result revealed that 100-grain weight can grain yield replaced in the selection for grain yield increased.
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