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桃果皮毛长度性状的评价及其与几个主要农艺性状的关系
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引用本文:陈旭瑞,谭 彬,王力荣,朱更瑞,方伟超,陈昌文,王新卫,曹 珂.桃果皮毛长度性状的评价及其与几个主要农艺性状的关系[J].西北农业学报,2020,30(6):928~934
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作者单位
陈旭瑞,谭 彬,王力荣,朱更瑞,方伟超,陈昌文,王新卫,曹 珂 (1.中国农业科学院 郑州果树研究所郑州 4500002.河南农业大学 园艺学院郑州 450000) 
基金项目:中国农业科学院科技创新工程项目(CAAS-ASTIP-2019-ZFRI-01)。
中文摘要:选择6份不同类型的桃种质,测定其果实发育期果皮毛长度的变化,评价238份桃种质成熟期果实表皮毛长度,探讨其与其他几个主要农艺性状的关系。结果表明,在花后30 d时,果皮毛长度急剧下降,最后呈缓慢下降趋势直至果实成熟。果实成熟期,供试材料果皮毛长度分布在106.3~343.3 μm间,平均值为193.9 μm,果皮毛最短的种质为‘霞晖2号’,最长的为‘白芒蟠桃’。此外,不同果形、粘/离核、果实成熟期和地理类群种质的果皮毛长度间有明显差异,其中果形可能与果皮毛发育有一定的内在联系。
中文关键词:  果皮毛  显微观察  乙烯  农艺性状
 
Phenotyping of Fruit Hair Length in Peach and Its Relationship with Several Other Key Agronomic Traits
Abstract:Fruit hair is a special organ on surface of the fruit. In addition to increase of the thickness of the epidermis and decrease of heat loss,it also protects plants from insects and pathogens invasion as well as mechanical and ultraviolet damage. In the past,the fruit hair in peach usually was phenotyped as a quality trait in many reports,and there is a lack of evaluation about its length. In this study,six different types of peach germplasm were selected to determine the changes of fruit hair length during fruit development period. Then,the length of fruit hair of 238 peach germplasm at maturity was measured,and the relationship between its lenth of fruit hair and other key agronomic trait were discussed. The results showed that the length of the fruit hair decreased sharply at 30 d after full bloom,and finally showed a slow decreasing trend until the fruit was matured. During the fruit ripening period,the length of the fruit hair of all samples was between 106.3-343.3 μm,with an average of 193.9 μm. The variety with shortest fruit hair was ‘Xiahui 2’ and the longest one was ‘Baimang Pantao’ peach. In addition,there were significant differences in the lengths of the fruit categorized by different fruit shapes,flesh adhesion,fruit ripening date and geographical population,and the fruit shape may have some intrinsic relationship with the development of the fruit hair.
keywords:Peach  Fruit hair  Microscope  Ethylene  Agronomic trait
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