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ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016
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Issue: May 2023

Volume 8 | Issue 5

Impact factor: 8.15

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Paper Title: Genetic analysis on Fertility Restoration ability of CMS lines using tetraploid Cotton (Gossypium sp.)
Authors Name: subha L
Unique Id: IJSDR2305161
Published In: Volume 8 Issue 5, May-2023
Abstract: An investigation was made on fertility restoration, genetic architecture, breeding behaviour, recombination potential and interrelationship of yield, yield contributing traits involving 40 hybrids and 13 parents in cotton. A line x tester (5 x 8) model of mating design was followed by generation mean analysis of six generations built up in three chosen crosses. From the line x tester analysis, it was inferred that all the traits were governed by non- additive gene action. The study of gene effects for yield and yield contributing traits in generation mean analysis revealed that all the traits were controlled by additive, dominance and epistatic interaction besides duplicate gene action and complementary gene action. As non - additive gene action was present for most of the traits studied, biparental mating or recurrent selection would be advantageous for harnessing the dominant gene action. Due to the presence of dominant gene action selection has to be postponed to later generations. To harness epistasis along with additive effects one or two cycles of recurrent selection followed by pedigree breeding would be effective to obtain expected improvement in yield and its component characters. Pollen fertility analysis showed that all the forty combinations produced by utilizing five lines and eight testers had high fertility status. Male sterile lines had low production of different high molecular polypeptides in contrast to their maintainer lines. The importance of anther protein in deciding the fertility was brought to renown.
Keywords: Gossypium Sp., Cytoplasmic Male Sterile lines, Male sterility, Fertility restoration, line x tester analysis, Pollen fertility
Cite Article: "Genetic analysis on Fertility Restoration ability of CMS lines using tetraploid Cotton (Gossypium sp.)", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.8, Issue 5, page no.1025 - 1028, May-2023, Available :http://www.ijsdr.org/papers/IJSDR2305161.pdf
Downloads: 000222060
Publication Details: Published Paper ID: IJSDR2305161
Registration ID:206343
Published In: Volume 8 Issue 5, May-2023
DOI (Digital Object Identifier):
Page No: 1025 - 1028
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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