EFFECT OF RECURRENT SELECTION AND SELFING ON THE NUMBER OF SEEDS/LOCULE AND SEED INDEX IN INDUCED MUTANT LINES OF DESI COTTON (Gossypium arboreum L.,)

U. DAMAYANTHI SWAMI and U. B. S. SWAMI

doi:https://doi.org/10.29321/MAJ.10.A02153

Madras Agricultural Journal

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EFFECT OF RECURRENT SELECTION AND SELFING ON THE NUMBER OF SEEDS/LOCULE AND SEED INDEX IN INDUCED MUTANT LINES OF DESI COTTON (Gossypium arboreum L.,)

Author: U. DAMAYANTHI SWAMI and U. B. S. SWAMI,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 74, Issue: feb-feb,

DOI:https://doi.org/10.29321/MAJ.10.A02153

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Abstract

The germinating seeds of gaorani-46 (Gossypium arboreum L.. race indicum) were subjected to 5000 per min of CO gamma rays and 0.001 0.007. M. sol. of DES separately. Breeding of the selected M, plants was done through selfing and recurrent selection. Some mutant lines with stablised high mean number of seeds. per locule and seeds index were obtained in M, generation. It is inferred that recurrent selection after selfing in successive generations is useful in developing improved lines in the mutants.

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