13份木薯种质资源多样性分析与系统评价

doi:10.11924/j.issn.1000-6850.2014-0644

中国农学通报 ›› 2014, Vol. 30 ›› Issue (24): 199-205.doi: 10.11924/j.issn.1000-6850.2014-0644

所属专题：资源与环境；马铃薯

13份木薯种质资源多样性分析与系统评价

谢向誉陆柳英曾文丹张雅媛李明娟严华兵

收稿日期:2014-03-11 修回日期:2014-05-23 出版日期:2014-08-25 发布日期:2014-08-25
基金资助:
广西主席科技资金“广西南繁基地木薯种质资源评价及新品种选育关键技术研究”(12217-03)；广西科技合作与交流计划项目“木薯杂交育种综合配套技术引进与合作研究”（桂科合1347004-5）；广西壮族自治区八桂学者专项经费“亚热带作物分子育种”。

Diversity Analysis and Evaluation of 13 Cassava Germplasms

Received:2014-03-11 Revised:2014-05-23 Online:2014-08-25 Published:2014-08-25

摘要/Abstract

摘要： 为选育优良的木薯新品种，对13份优良木薯种质资源的农艺性状进行鉴定，分析其遗传多样性特点。结果表明，13份资源在叶片形状、叶片颜色、叶裂数、叶柄颜色、叶脉颜色、主茎内外皮颜色、幼茎颜色、茎杆生长情况、株型、茎分叉、分枝角度、株高、主茎高度、主茎直径、块根分布、结薯集中度、块根形状、块根内外皮颜色、块根肉质颜色等方面均表现出多样性，且收获指数、淀粉含量、干物质含量等存在较大差异。本研究对13份木薯种质资源进行了系统评价，筛选获得了5个优良新品系，为今后木薯种质资源分类提供了参考。

关键词: 风险区划, 风险区划

Abstract: In order to screen out the new cassava cultivars, the paper identified the 13 cassava lines based on the agronomic traits. The results showed that, there were rich diversities among the 13 cassava lines, shown as the shape of leaf, the color of the leaf, the number of lobes, the color of leaf vein, the color of the petiole, the inner and outside skin color of the stem, the color of the young stem, the plant type, the branch, the height, the diameter of the stem, the distribution of tuber, the shape of the tuber, the inner and outside skin color of the tuber, the color of the root, as well as harvest index, the starch and dry matter content of tuber. This work evaluated 13 cassava genotypes systematically, screened out 5 excellent new lines, and provided the reference for the classification of cassava germplasms.

谢向誉陆柳英曾文丹张雅媛李明娟严华兵. 13份木薯种质资源多样性分析与系统评价[J]. 中国农学通报, 2014, 30(24): 199-205.

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13份木薯种质资源多样性分析与系统评价

Diversity Analysis and Evaluation of 13 Cassava Germplasms

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