HERITABILITY STUDIES FOR GRAIN YIELD AND YIELD COMPONENTS IN F3 SEGREGATING GENERATION OF SPRING WHEAT

被引：0
|
作者：
Mangi, Shoukat Ali [1 ]
Sial, Mahboob Ali [2 ]
Ansari, Bashir A. [1 ]
Arain, M. Afzal [2 ]
Laghariand, K. A. [2 ]
Mirbahar, Ameer Ahmed [3 ]
机构：
[1] Sindh Agr Univ, Tandojam, Pakistan
[2] Nucl Inst Agr, Tandojam, Pakistan
[3] Univ Karachi, HEJ Res Inst Chem, Plant Tissue Culture & Biotechnol Div, Karachi 75270, Pakistan
来源：
PAKISTAN JOURNAL OF BOTANY | 2010年 / 42卷 / 03期
关键词：
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中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Heritability estimates provide information about the extent of which a particular genetic character to be transmitted to the successive generations. Heritability studies were conducted in four F-3 segregating populations originated through cross combinations of 6 wheat varieties/advanced lines i.e., Sarsabz, Soghat-90, Marvi-2000, SI-91195, SD-1200/14 and IB-25/99 at the Nuclear Institute of Agriculture, Tando Jam during 2004-05. Genetic variance, environmental variance, heritability percentage in broad sense and genetic advance were estimated for different grain yield and yield contributing traits. The highest heritability (83.09%) associated with genetic advance (55.39) for grain yield was observed in cross combination of Marvi-2000 x Soghat-90 followed by Marvi-2000 x SI-91195 (80.0%; GA: 39.9), revealed good parental combination for effective selection for high yielding plants in segregating population.
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页码：1807 / 1813
页数：7
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