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

页码：529 / 535

页数：7

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