ZHAO Shuang,LIU Yang,LI Han,et al.Correlation Between Leaf and Fruit Characteristics in Hybrid Progenies of Walnut[J].Northern Horticulture,2017,41(24):39-43.[doi:10.11937/bfyy.20171985]
核桃杂交后代叶片与果实性状的相关性
- Title:
-
Correlation Between Leaf and Fruit Characteristics in Hybrid Progenies of Walnut
- 文献标志码:
- A
- 摘要:
- 以5个核桃杂交组合的374个后代为试材，调查与测定了叶片和果实的10个性状，并分析了它们之间的相关性，以期为核桃育种和早期选种提供参考依据。结果表明：坚果横径、纵径和壳厚与单果质量在表型相关和遗传相关中均达显著水平；叶片各性状和单果质量的相关性不显著；通径分析的结果表明，坚果纵径、横径、壳厚和比叶重对单果质量的通径系数分别为0.160 4、0.626 3、0.290 8、-0.163 9，这4个因素对坚果单果质量的贡献达极显著效应，是影响核桃单果质量的主要因素。
- Abstract:
- 374 hybrids from 5 hybrid combinations were used as test materials,10 leaf and fruit traits were investigated and measured,and the correlation among them were analyzed to provide theoretical basis for walnut breeding and early selection.The results showed that the phenotypic correlation and genetic correlation between nut weight and nut transverse diameter,nut longitudinal diameter,nut shell thickness were all significant;the correlation between leaf traits and nut weight was not significant.The results of path analysis showed that the path coefficient of nut transverse diameter,nut longitudinal diameter,nut shell thickness and specific leaf weight to nut weight was 0.160 4,0.626 3,0.290 8 and -0.163 9 respectively.These four factors contributed significantly to the nut weight and were the main factors affecting the nut weight of walnut.
参考文献/References:
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备注/Memo
第一作者简介：赵爽（1990-），女，博士研究生，研究方向为经济林栽培生理。E-mail:zhaoshuang0823@sina.com.