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<< JRScience Home   Volume 13 No.2 December 2002  << Back to Volume Home

 

ESTIMATION OF GENETIC PARAMETERS AND GENE ACTION FOR YIELD OF SEED COTTON AND LINT PERCENTAGE IN GOSSYPIUM HIRSUTUM L.

 

Naveed Murtaza, Azhar Ali Khan and Abdul Qayyum

Department of Plant Breeding and Genetics, University College of Agriculture, Bahauddin Zakariya University Multan, Pakistan

Abstract: Gene action and genetic parameters for yield of seed cotton and lint percentage were studied in an eight parent diallel cross of upland cotton, which revealed that both additive and dominance components had prepondence in the inheritance of these characters. Asymmetrical distributions of dominant and recessive genes in the parents were observed. Low to moderate estimates of narrow sense heritability was obtained for both the characters.

 

Keywords: Gossypium hirsutum L., graphic analysis, lint percentage and gene action, yield of seed cotton.