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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Phenotypic variation in cotton (Gossypium hirsutum L.) regenerated plants
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Phenotypic variation in cotton (Gossypium hirsutum L.) regenerated plants

机译：棉花（陆地棉）再生植物的表型变异

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摘要

Somaclonal variation could be utilized for genetic improvement of cotton (Gossypium hirsutum L.). Although significant progress has been made in cotton regeneration, the phenotype of regenerated plants has rarely been investigated. We report here the phenotypic variation of regenerated cotton plants. Extensive variations exist in the F-0 generation and subsequent progenies of regenerated plants. Most of the phenotypic variations in F-0-regenerated plants were physiological or epigenetic and were not inherited by offspring. However, we have obtained sterile plants, and elite lines with characters of bigger boll, higher lint percentage or longer fibre from the progenies of regenerated plants. These variations in the F-1 plants were steadily inherited into the F-2 generation. The results will promote the application of plant tissue culture to cotton improvement.
机译：体细胞克隆变异可用于棉花（Gossypium hirsutum L.）的遗传改良。尽管在棉花再生方面已取得重大进展，但很少研究再生植物的表型。我们在这里报告再生棉植物的表型变异。 F-0代和再生植物的后代中存在广泛的变异。 F-0再生植物中的大多数表型变异是生理性或表观遗传的，并且不是后代遗传的。然而，我们从再生植物的后代中获得了不育植物，以及具有更大铃，更高皮棉百分比或更长纤维的特征的优良品系。 F-1植物中的这些变异稳定地遗传到F-2代中。结果将促进植物组织培养在棉花改良中的应用。

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