韩自强,李琪

• 1:海水养殖教育部重点实验室(中国海洋大学)

摘要(Abstract)：

为研究长牡蛎(Crassostrea gigas)壳橙品系的壳形态性状对体质量性状的影响。本实验随机选取144只二龄壳橙品系长牡蛎为研究对象,测量了壳高(XH)、壳长(XL)、壳宽(XW)、活体总重(YL)和软体部重(YS),以壳形态性状(XH,XL,XW)为自变量,体质量性状(YL,YS)为因变量进行了相关分析、通径分析和多元回归分析。相关分析结果表明,所测量的长牡蛎橙色品系各性状间均呈极显著的表型相关(P<0.01)。通径分析结果表明,壳形态性状对活体总重直接影响依次为壳高(0.477)>壳宽(0.336)>壳长(0.326),壳高对活体总重的直接决定系数最大(0.228),是影响活体总重的主要因素;然而,软体部重的相关系数R2<0.850,表明可能还存在对软体部重影响较大的其他因素。通过多元回归分析,建立了壳形态性状对体质量性状的最优回归方程。

关键词(KeyWords)： 长牡蛎;壳橙品系;壳形态性状;体质量性状;相关分析;通径分析;多元回归分析

Abstract:

Keywords:

基金项目(Foundation): 泰山学者种业计划专家项目;; 农业科技成果转化资金项目(2014GB2B020029);; 山东省科技发展计划项目(2014GHY115002);; 鳌山科技创新计划项目(2015ASKJ02)资助~~

作者(Author): 韩自强,李琪

DOI: 10.16441/j.cnki.hdxb.20170001

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