Studies on Genetic Effects of Important Nutr ient Qua lity Characters in Chinese Cabbage

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (02): 244-248.

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Studies on Genetic Effects of Important Nutr ient Qua lity Characters in Chinese Cabbage

Yu Zhandong^{1, 2, 3};He Qiwei¹;Wang Cuihua¹;Mou Jinhua¹;Liu Chunxiang²;Liu Jibao¹

(¹Institute of Vegetable Crops, Shandong Academy of Agricultural Science, Jipnan 250100, China; ²College of Horticulture,Shandong Agricultural University, Tai'an 271018, China; ³College of Horticulture, Jilin Agricultural University, Changchun 130118, China)

Received:2004-06-08 Revised:2004-12-03 Online:2005-04-25 Published:2005-04-25

Abstract

Abstract: Genetic effects of dry matter, vitamin C, soluble sugar, organic acid, crude fiber and amino acid contents in Chinese cabbage (Brassica campestris L. ssp. pekinensis) were analysed for a set of 6 ×6 diallel crosses with six inbred lines of three ecotypes. The results showed that the genetics of vitamin C, organic acid, dry matter and crude fibre contentwas appropriate to the additive-dominant-maternalmodel while the inherence of the soluble sugar and amino acid was appropriate to the additive-dominance model. The estimated narrow heritability of vitamin C, organic acid, dry matter and crude fibre contents were 53.1%, 13.5% , 38.3% and 28.2%. The estimated narrow heritability of soluble sugar, amino acid contentswere 18.4% and 40.3% respectively. It is observed that there was a significant positive correlation between the content of souble sugar and drymatter, the content of vitamin C and drymatter, the coefficient is 0.746 and 0.293 respectively; however , there was a significant negative correlation between the content of vitamin C and crude fibre, the content of vitamin C and organic acid, the coefficient is 0.366 and 0.305, respectively.

Key words: Chinese cabbage, Nutrient quality character, Genetic effect

CLC Number:

S634.1

Yu Zhandong;;;He Qiwei;Wang Cuihua;Mou Jinhua;Liu Chunxiang;Liu Jibao. Studies on Genetic Effects of Important Nutr ient Qua lity Characters in Chinese Cabbage[J]. ACTA HORTICULTURAE SINICA, 2005, 32(02): 244-248.

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Studies on Genetic Effects of Important Nutr ient Qua lity Characters in Chinese Cabbage

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