Combining Ability and Heritability Analysis of Bolting Characters in Cabbage（Brassica oleracea var. capitata L.）

LI  Na; LI  Cheng-Qiong; REN  Xue-Song; SONG  Hong-Yuan; SI  Jun

›› 2011, Vol. 1 ›› Issue (10): 50-53.

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Combining Ability and Heritability Analysis of Bolting Characters in Cabbage（Brassica oleracea var. capitata L.）

LI Na, LI Cheng-qiong*, REN Xue-song, SONG Hong-yuan, SI Jun

Chongqing Key Laboratory of Olericulture, Key Laboratory of Horticulture Science for Southern Mountainous Regions, Ministry of Education, College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400715, China

Received:2011-03-24 Online:2011-04-12 Published:2011-05-15

甘蓝抽薹期配合力及遗传力分析

李娜,李成琼,任雪松,宋洪元,司军

西南大学园艺园林学院，重庆市蔬菜学重点实验室，南方山地园艺学教育部重点实验室，重庆 400715

Abstract

Abstract: Combining ability and heritability of bolting characters of 4 cabbage（Brassica oleracea var. capitata L.）inbred lines were analyzed according to GriffingⅠmethod. The results showed that the general combining ability and special combining ability of inbred lines LN-0901 and LN-0913 were better, which are fit for heterosis-cross-breeding. The broad sense heritability and narrow sense heritability of bolting characters were 96.42 % and 67.68 %, respectively，and mainly affected by additive genes. The selection of bolting characters in cabbage is effective in early generations.

Key words: Cabbage, Bolting character, Combining ability, Heritability

摘要： 以2个耐抽薹的甘蓝高代自交系和2个易抽薹的甘蓝高代自交系为亲本，按照Griffing完全双列杂交方法Ⅰ配制杂交组合，对其抽薹期性状进行配合力和遗传力分析。结果表明：耐抽薹自交系LN-0901和LN-0913的一般配合力和特殊配合力都较高，宜用于杂种优势育种。抽薹期性状主要由基因的加性效应控制，广义遗传力为96.42 %，狭义遗传力为67.68 %，在育种实践中适宜进行早期世代选择。

关键词: 甘蓝, 抽薹期, 配合力, 遗传力

CLC Number:

S635.1

LI Na, LI Cheng-qiong*, REN Xue-song, SONG Hong-yuan, SI Jun. Combining Ability and Heritability Analysis of Bolting Characters in Cabbage（Brassica oleracea var. capitata L.）[J]. , 2011, 1(10): 50-53.

李娜,李成琼,任雪松,宋洪元,司军. 甘蓝抽薹期配合力及遗传力分析[J]. 中国蔬菜, 2011, 1(10): 50-53.

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Combining Ability and Heritability Analysis of Bolting Characters in Cabbage（Brassica oleracea var. capitata L.）

甘蓝抽薹期配合力及遗传力分析

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