GENETIC VARIABILITY, CORRELATION AND PATH COEFFICIENT ANALYSIS FOR YIELD AND YIELD COMPONENTS IN TRANSPLANT AMAN RICE (ORYZA SATIVA L.)

被引：0
|
作者：
Roy, Ripon Kumar [1 ]
Majumder, Ratna Rani [1 ]
Sultana, Shahanaz [1 ]
Hoque, M. E. [1 ]
Ali, M. S. [1 ]
机构：
[1] Bangladesh Rice Res Inst, Div Biotechnol, Gazipur 1701, Bangladesh
来源：
BANGLADESH JOURNAL OF BOTANY | 2015年 / 44卷 / 04期
关键词：
Genetic variability; Yield components; Correlation; Path coefficient analysis;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Analysis of variance revealed significant differences among the genotypes for all the traits. Flag leaf area (0.643**), productive tillers per plant (0.450**), 1000-grain weight (0.785**) and harvest index (0.920**) showed positive and strong significant association with grain yield per plant at genotypic level whereas plant height (-0.418*) and per cent spikelet sterility (-0.489**) possessed significant negative correlation with grain yield per plant. Flag leaf area (0.157) productive tillers per plant (0.481), 1000-grain weight (0.228), growth duration (0.080) and harvest index (0.544) exhibited direct effect on grain yield. Considering the correlation and path analysis flag leaf area, productive tiller per plant, 1000-grain weight and harvest index are important characters to be considered for yield improvement.
引用
收藏
页码：529 / 535
页数：7
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