PJB-1995-54
GENETICS OF SEED COTTON YIELD AND ITS PRIMARY COMPONENTS IN GOSSYPIUM HIRSUTUM L.
MAZHAR DIN KEERIO, MUHAMMAD SHAHAN KALWAR, MUHAMMAD ISHAQUE MEMON AND ZAHEER AHMED SOOMRO
Abstract
Combining ability analysis was conducted for yield and its primary components in Gossypium hirsutum L. The results indicated that variance due to GCA and SCA were significant for all the characters except ginning percentage. The additive gene action was more important than non-additive. Highly significant GCA effects were found in lines S-12 for all traits and CRIS- 7 A for seed weight, lint weight and seed cotton yield and testers CYTO-127 for seed weight, lint weight and seed cotton yield and CYTO-130 for seed weight and seed cotton yield. The crosses S-12 x Cyto-127 and BH-36 x CRIS-54 for all characters except ginning percentage, while NH-26 x CYTO-130 and CRIS-7A x CYTO-130 for lint weight and seed cotton yield per plant exhibited significant SCA effects.
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