| 摘要: |
| 利用生育期不同的陆地棉(G.hirsutum L.)亲本,配制了5个组合的 P1,P2,F1,F2,B1,B2各6个世代。应用多元分析法,对棉花纤维性状进行了遗传分析。结果表明:绒长整齐度、纤维宽度以加性效应为主;2.5%跨长、纤维细胞壁厚度由显性及上位效应控制;比强度以加性和显性和显性×显性效应为主;伸长率、麦克隆值、腔/壁和纤维素含量的遗体成份中,上位效应占有较比重。绒长整齐度和比强度、伸长率、麦克隆值、纤维宽度、纤维素含量间;比强度和伸长率,纤维素含量间;伸长率和麦克隆值、纤维素含量间;壁厚与纤维宽度间均呈极显著的正相关。整齐度与2.5%跨长间;麦克隆值与纤维素含量间;壁厚与腔壁/壁间均呈免相关或极显著的负相关。分析还表明:伸长率,整齐度和纤维素含量与比强度的关系最密切。 |
| 关键词: 陆地棉 纤维性状 遗传分析 |
| DOI： |
| 投稿时间：1992-05-27 |
| 基金项目:国家自然科学基金部分内容 |
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| Genetics Analysis of Fiber Properties in Upland Cotton(G.hirsutum L.) |
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| Abstract: |
| Five crosses were made by parents with different growing period and six generations(P_1,P_2,F_1,F_2,B_1,B_2,)of each cross have been studied in 1988. The results indicated that additive was major component for uniformity index and fiber width.Strength was controlled by additive,dominance and epistasis;but 2.5% span length and fiber cell wall thickness were also controlled by dominance and epistasis.Epistasis was important for elongation.jmicronaire,lumen-wall thickness ratio and cellulose content. The unifo... |
| Key words: upland cotton fiber properties property genetic analysis |
