Weighted average absolute scores of BLUPs (WAASB) based selection of stable Asiatic cotton genotypes for the salt affected Vertisols of India

IF 1 4区 生物学 Q3 PLANT SCIENCES Indian Journal of Genetics and Plant Breeding Pub Date : 2022-02-25 DOI:10.31742/ijgpb.82.1.15
T. Vineeth, Indivar Prasad, A. Chinchmalatpure, B. Lokeshkumar, Shrvan Kumar, K. T. Ravikiran, P. C. Sharma, Sharma P. C 2022. Weighted
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引用次数: 1

Abstract

Cotton is a major cash crop classified as moderately tolerant to salt stress (threshold ECe = 7.7 dS m-1). In the present study, a set of 21 homozygous advanced breeding lines of cotton (Gossypium herbaceum L.), including one salt tolerant variety G Cot 23 was evaluated over three years to identify stable high yielding genotypes under salt stress. Weighted Average Absolute Scores of BLUPs (WAASB) stability index, which is based on single value decomposition of BLUP, was employed for this purpose. Among the 21 genotypes, CSC-025 and CSC-057 showed the highest boll weight (59.67 and 57.33 g/20 boll), seed cotton yield (1818 and 1570 Kg ha-1) and leaf K/Na ratio (9.6 and 5.6) over the check variety G Cot 23. Considering both WAASB stability index and mean trait values, CSC-025, CSC-057 and G Cot 23 were found promising for all traits and can be considered for deployment in salt-affected Vertisols of India.
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基于BLUPs(WAASB)的加权平均绝对得分为印度受盐影响的黄化土选择稳定的亚洲棉花基因型
棉花是一种主要的经济作物,被归类为中度耐盐作物(阈值ECe=7.7dSm-1)。在本研究中,对一组21个纯合的棉花高级育种系(Gossypium herbaceum L.)进行了为期3年的评估,以确定在盐胁迫下稳定高产的基因型。采用基于BLUP单值分解的加权平均绝对得分(WAASB)稳定性指数。在21个基因型中,CSC-025和CSC-057的铃重(59.67和57.33g/20铃)、籽棉产量(1818和1570Kg-ha-1)和叶片K/Na比(9.6和5.6)均高于对照品种g Cot 23。考虑到WAASB稳定性指数和平均性状值,发现CSC-025、CSC-057和G Cot 23对所有性状都有前景,可以考虑在印度受盐影响的眩晕土中使用。
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来源期刊
CiteScore
1.80
自引率
10.00%
发文量
0
审稿时长
6-12 weeks
期刊介绍: Advance the cause of genetics and plant breeding and to encourage and promote study and research in these disciplines in the service of agriculture; to disseminate the knowledge of genetics and plant breeding; provide facilities for association and conference among students of genetics and plant breeding and for encouragement of close relationship between them and those in the related sciences; advocate policies in the interest of the nation in the field of genetics and plant breeding, and facilitate international cooperation in the field of genetics and plant breeding.
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