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Heterosis in GMS Based Diplod Cotton Hybrids for Fibre Quality Traits


Affiliations
1 Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Dharwad, Karnataka, India
     

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Total of nine hybrids developed through genetic male sterility system were evaluated to estimate the manifestation of heterosis for fibre quality traits viz., staple length, fibre strength, fibre fineness, elongation and uniformity. Out of nine F1 hybrids evaluated, cross MSD 7 nor x RAhS- 14 was found superior for fibre length. Cross MSD 7 nor x DDhc 11exhibited higher magnitude of heterosis for fibre strength and fibre elongation over mid parent and better parent. For fibre uniformity ratio, hybrid MSD 7 nkd x Jayadhar was found promising.

Keywords

Genetic Male Sterility, Heterosis, Fibre Quality
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  • Heterosis in GMS Based Diplod Cotton Hybrids for Fibre Quality Traits

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Authors

Sekhar Babu Geddam
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Dharwad, Karnataka, India
B. M. Khadi
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Dharwad, Karnataka, India

Abstract


Total of nine hybrids developed through genetic male sterility system were evaluated to estimate the manifestation of heterosis for fibre quality traits viz., staple length, fibre strength, fibre fineness, elongation and uniformity. Out of nine F1 hybrids evaluated, cross MSD 7 nor x RAhS- 14 was found superior for fibre length. Cross MSD 7 nor x DDhc 11exhibited higher magnitude of heterosis for fibre strength and fibre elongation over mid parent and better parent. For fibre uniformity ratio, hybrid MSD 7 nkd x Jayadhar was found promising.

Keywords


Genetic Male Sterility, Heterosis, Fibre Quality

References