DIALLEL ANALYSIS OF EIGHT NUTRIENT QUALITY RELATED CHARACTERS IN THREE ECOTYPES OF CHINESE CABBAGE
文献类型： 外文期刊
作者： Wang, Wei 1 ; Yu, Zhandong 1 ; Zhou, Xudan 1 ; Xia, Guangqing 1 ; He, Qiwei 1 ;
作者机构： 1.Jilin Agr Univ, Coll Hort, Changchun 130118, Peoples R China
2.Tonghua Normal Univ, Tonghua 134002, Jilin, Peoples R China
3.Shandong Acad Agr Sci, Inst Vegetable Crops, 202 Ind North Rd, Jinan 250100, Peoples R China
关键词： Brassica pekinensis;Nutrient quality;Genetic effect;Heritability;Diallel cross
期刊名称：BANGLADESH JOURNAL OF BOTANY （ 影响因子：0.308； 五年影响因子：0.348 ）
ISSN： 0253-5416
年卷期： 2016 年 45 卷 5 期
页码：
收录情况： SCI
摘要： A four-year experiment with advanced inbred lines of different ecotypes of Chinese cabbage revealed that the levels of Ca, Fe, K, dry matter and crude fiber in the cabbage head fit to additive dominant model, with the narrow-sense heritability being 4.7, 21.0, 41.8, 16.9 and 13.3%, respectively. The concentrations of Zn, ascorbic acid and amino acid fit to additive dominant model with maternal effects, their narrow-sense heritability accounted for 31.8, 58.4 and 59.2%, respectively. Zinc, potassium, ascorbic acid and amino acid possessed relatively high narrow-sense heritability, they can be selected in early generations; the other nutritional characters had low heritability and seriously suffered from environmental effects, so they suited to be selected in late generations. Calcium level was significantly correlated with Fe, Zn and amino acid, with the related coefficients being 0.362, 0.176 and 0.180, respectively. Moreover, the dry matter in the cabbage head has got a negative significant correlation with crude fiber (-0.207), but the ascorbic acid had a positive significant correlation with amino acid. The results can serve as an important basis for parent selection and combination pairing in quality breeding of Chinese cabbage.
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