gxe互作对HDPS棉花多杂交衍生物杂种优势、配合力和稳定性的影响

IF 1 4区生物学 Q3 PLANT SCIENCES

Indian Journal of Genetics and Plant Breeding Pub Date : 2022-09-30 DOI:10.31742/isgpb.82.3.12

K. Murthy, T. Pradeep

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引用次数: 0

摘要

本试验利用6个品系和7个品系的42个杂交组合，在3个不同地点进行试验，以确定适合高密度种植系统的稳定棉花基因型。杂合子由于个体的缓冲能力比纯合子更稳定。杂交种mc4 -3与mc3 -2、mc4 -3与mc22 -2、mc4 -3与NH 630、mc5 -1与mc11 -1、mc5 -1与mc5 -1与NH 630表现出较强的杂种优势与特定配合力，而mc17 -6与mc17 -1、mc4 -3与mc3 -2、mc16 -3与mc17 -2在较差环境下均产生纯合子亲本，在短紧凑性状上表现出理想方向的杂种优势与特定配合力。

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Influence of G x E interaction on heterobeltiosis, combining ability and stability of multiple cross derivatives of cotton (Gossypium hirsutum L.) amenable for HDPS

An experiment was conducted in three different locations using 42 crosses derived by crossing six lines and seven testers in Line x Tester design to identify stable cotton genotypes amenable to a high-density planting system. The heterozygotes were found more stable due to individual buffering capacities over homozygotes. Strong association between heterobeltiosis and specific combining ability (sca) was shown by the hybrids MC 4-3 x MC 3-2, MC 4-3 x MC 22-2, MC 4-3 x NH 630, MC 5-1 x MC 11-1 and MC 5-1 x NH 630 while MC 17-6 x MC 17-1, MC 4-3 x MC 3-2, MC 16-3 x MC 17-2 had out yielded homozygous parents in poor environments and exhibited heterosis and sca effects in desirable direction for short compact characters.

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来源期刊

Indian Journal of Genetics and Plant Breeding PLANT SCIENCES-

CiteScore

1.80

自引率

10.00%

发文量

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.