利用扩增设计法对木薯种质资源进行田间筛选

Q4 Environmental Science

West African Journal of Applied Ecology Pub Date : 2009-09-04 DOI:10.4314/WAJAE.V10I1.45691

I. Asante, A. Dixon

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引用次数: 14

摘要

采用增强随机完全区组设计培养98份木薯材料，筛选具有理想性状的优质无性系。理想性状为根数(RTNO)、鲜根产量(FYLD)、收获指数(HI)、干物质(DM)、氰化物电位(CNP)、平均株高(MPHT)和分枝水平(LOBR)。采用30572、91/01730和91/023227三个标准品种。在1个以上性状上优于标准型的品种分别为92/0681、92/02325;92/0455, 88/02555;爱丽丝本地电话和88/02555。这些材料可以选择并放入杂交块中，将这些性状组合成一个基因型。目前的结果表明，增强设计在鉴定具有理想性状的木薯优良基因型方面是有效的。

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Field screening of cassava (Manihot esculenta Crantz) germplasm for desirable traits by the use of augmented design

Ninety-eight cassava accessions were grown in augmented randomized complete block design to screen for superior clones with desirable traits. The desirable traits were root number (RTNO), fresh root yield (FYLD), harvest index (HI), dry matter (DM), cyanide potential (CNP), mean plant height (MPHT) and level of branching (LOBR). Three standard varieties were used, namely 30572, 91/01730 and 91/023227. Acessions that were superior to the standard types in more than one trait were 92/0681, 92/02325; 92/0455, 88/02555; Alice Local and 88/02555. These accessions could be selected and put into crossing blocks to combine the traits into one genotype. The present results show that augmented designs are efficient in the identification of superior cassava genotypes with desirable traits.

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来源期刊

West African Journal of Applied Ecology Environmental Science-Ecology

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： This research journal has been established by the Ecological Laboratory Unit of the University of Ghana, Accra to publish original papers, invited articles and book reviews in English on general ecology. Papers are peer reviewed by consulting editors. The journal is targeted at scientists, policy makers and the general public. The subject areas to be covered include the following: -Theoretical and Applied Ecology- Environmental Studies- Environmental Management- Population Studies- Sustainable use of Natural Resources- Atmospheric Science- Aquatic Sciences and Oceanography- Terrestrial Ecology- Soil Sciences- Human Settlements- Disaster Preparedness and Disaster Reduction- Sustainable Development- Traditional Knowledge on Biodiversity and its sustainable use- Application in Agriculture and Land Use- Health and Environmental Protection