SUN Li,ZHAO Feng-liang,LI Zhenxia,et al.Genetic Analysis and Correlation Analysis on Agronomic Traits of Twenty-two Chinese Cabbage[J].Northern Horticulture,2014,38(17):1-4.
二十二份小白菜主要农艺性状的遗传及相关分析
- Title:
- Genetic Analysis and Correlation Analysis on Agronomic Traits of Twenty-two Chinese Cabbage
- 文章编号:
- 1001-0009(2014)17-0001-04
- 分类号:
- S634.3
- 文献标志码:
- A
- 摘要:
- 以新乡市农业科学院提供的22个小白菜为试材，对小白菜的叶数、叶长、叶宽、叶柄长、叶厚、叶绿素含量、单株鲜重等7个农艺性状进行了遗传相关分析，以掌握小白菜主要农艺性状的变化特点及相互关系。结果表明：小白菜主要农艺性状的变异系数范围在10.59%～65.53%，叶数变异系数最小，单株鲜重变异系数最大；遗传力范围在57.91%～97.44%，叶绿素含量的遗传力较高，叶数遗传力较低；在8个杂交组合中，叶厚和叶绿素含量的超亲优势不明显，其它性状的超中优势与超亲优势都比较明显；在小白菜7个农艺性状中，单株鲜重与叶数、叶长、叶宽和叶柄长呈极显著正相关。
- Abstract:
- 22 varieties Chinese cabbage provided from Xinxiang Academy of Agricultural Science were used as materials,the main agronomic characters(leaf number,leaf length,leaf width,petiole length,leaf thickness,chlorophyll content and fresh weight) of Chinese cabbage and their genetic correlation analysis were conducted,to realize the variations of main agronomic characters and their relationship.The results showed that the coefficient of variation(CV) of the 7 traits ranged from 10.59% to 65.53%,the highest CV was the fresh weight and the lowest CV was the leaf number,and heritability ranged from 57.91% to 97.44%,the highest heritability was the chlorophyll content and the lowest heritability was the leaf number.Except the heterobeltiosis of leaf thickness and chlorophyll were not obvious,the mid-parent heterosis and heterobeltiosis of other traits were obvious.Among 7 traits,the fresh weight had significant correlation with leaf number and leaf length and petiole length.
参考文献/References:
［1］程智慧.蔬菜栽培学各论［M］.北京:科学出版社,2010.
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备注/Memo
第一作者简介：孙丽（1977-），女，吉林磐石人，硕士，实验师，现主要从事植物生理生态等研究工作。E-mail:sunli0001977@126.com.