Studies on main traits and heterotic group of 21 maize inbred lines

采用表型性状分析与分子标记方法对21个玉米自交系主要农艺、经济性状及杂优类群进行研究。结果表明,供试自交系主要性状基因型间存在真实的差异,但多数性状同时受播种季节和基因型与播种季节互作的影响较大。供试材料中,中秆中产型自交系所占比例较大,高秆高产型和中秆高产型自交系所占比例较小,矮秆自交系无一属于高产型。综合分析表明,6054、6070、48-2、6057和RP128属主要农艺、经济性状综合表现较优的自交系。SSR标记分析表明,供试自交系间的遗传距离变幅为0.51～0.91,平均遗传距离为0.71±0.0181,按UPGMA法进行聚类可将其划分为5个类群,其中自交系P14可能属于新的杂优类群。...

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Bibliographic Details
Published inYu mi ke xue Vol. 15; no. 3
Main Author Ren Wei, Qin Yan, Yang Kecheng
Format Journal Article
LanguageChinese
Published 01.06.2007
Subjects
AGRONOMIC CHARACTERS
AUTOFECONDE
AUTOFECUNDADOS
CARACTERE AGRONOMIQUE
CARACTERISTICAS AGRONOMICAS
http://www.fao.org/aos/agrovoc#c_12332
http://www.fao.org/aos/agrovoc#c_210
http://www.fao.org/aos/agrovoc#c_6960
MAIS
MAIZ
MAIZE
SELFS
Online AccessGet more information

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Abstract 采用表型性状分析与分子标记方法对21个玉米自交系主要农艺、经济性状及杂优类群进行研究。结果表明,供试自交系主要性状基因型间存在真实的差异,但多数性状同时受播种季节和基因型与播种季节互作的影响较大。供试材料中,中秆中产型自交系所占比例较大,高秆高产型和中秆高产型自交系所占比例较小,矮秆自交系无一属于高产型。综合分析表明,6054、6070、48-2、6057和RP128属主要农艺、经济性状综合表现较优的自交系。SSR标记分析表明,供试自交系间的遗传距离变幅为0.51～0.91,平均遗传距离为0.71±0.0181,按UPGMA法进行聚类可将其划分为5个类群,其中自交系P14可能属于新的杂优类群。
AbstractList 采用表型性状分析与分子标记方法对21个玉米自交系主要农艺、经济性状及杂优类群进行研究。结果表明,供试自交系主要性状基因型间存在真实的差异,但多数性状同时受播种季节和基因型与播种季节互作的影响较大。供试材料中,中秆中产型自交系所占比例较大,高秆高产型和中秆高产型自交系所占比例较小,矮秆自交系无一属于高产型。综合分析表明,6054、6070、48-2、6057和RP128属主要农艺、经济性状综合表现较优的自交系。SSR标记分析表明,供试自交系间的遗传距离变幅为0.51～0.91,平均遗传距离为0.71±0.0181,按UPGMA法进行聚类可将其划分为5个类群,其中自交系P14可能属于新的杂优类群。
Author Ren Wei, Qin Yan, Yang Kecheng
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SubjectTerms AGRONOMIC CHARACTERS
AUTOFECONDE
AUTOFECUNDADOS
CARACTERE AGRONOMIQUE
CARACTERISTICAS AGRONOMICAS
http://www.fao.org/aos/agrovoc#c_12332
http://www.fao.org/aos/agrovoc#c_210
http://www.fao.org/aos/agrovoc#c_6960
MAIS
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MAIZE
SELFS
Title Studies on main traits and heterotic group of 21 maize inbred lines
Volume 15
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