云南地方小米辣资源评价及遗传多样性分析
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摘要
【目的】为加强小米辣资源的研究利用。【方法】对调查收集的云南86份小米辣资源27个主要农艺性状进行评价及聚类分析。【结果】云南小米辣种质资源遗传多样性丰富,17个质量性状,叶色多样性指数最高为4.439,茎茸毛多样性指数最低为4.325;10个数量性状,单株果数变异系数最大为45.12%,果肉厚最小为13.80%;基于各种质之间的遗传差异,把86份小米辣种质聚类划分为6大类群:第Ⅰ类群32份材料,占37.21%;第Ⅱ类群16份材料,占18.60%;第Ⅲ类群28份材料,占32.56%;第Ⅳ类群6份材料,占6.98%;第Ⅴ类群2份材料,占2.33%;第Ⅵ类群2份材料,占2.33%。前6个主成分贡献率累计达88.76%,第一、二、三、四主成分分别反映产量构成因子、株型、果实性状、熟性。【结论】云南小米辣地方种质资源间变异较大,遗传多样性丰富。
【Objective】 The study aimed to strengthen the research and utilization of millet spicy resources. 【Method】 27 main agronomic traits of 86 millet spicy resources were evaluated and cluster analyzed. 【Result】 The results showed that yunnan millet spicy resources had rich genetic diversity, the highest diversity index was Leaf color(4.439),the lowest diversity index was stem pubescence(4.325).The largest coefficient of character variation was the number of fruit per plant(45.12 %), the smallest was the fruit thickness(13.80 %). Based on the genetic differences of various inter morphological characters, the 86 species was divided into 6 groups.Ⅰgroups contained 32 materials(37.21 %),Ⅱgroups contained 16 materials(18.60 %), Ⅲ groups contained 28 materials(32.56 %), IV groups contained 6 materials(6.98 %),Ⅴ, Ⅵcontained 2 materials(2.33 %). Which accounted for 37.21 %, 18.6 %, 32.56 %, 6.89 %, 2.33 %,respectively. The results of principal component analysis showed that the contribution rate of the first 6 principal components reached 88.76 % in total. The first, second, third and fourth principal components reflected the yield composition factor, plant type, fruit character and ripeness, respectively. 【Conclusion】 The results showed that the germplasm resources of yunnan millet spicy had great variation and rich genetic diversity.
【Objective】 The study aimed to strengthen the research and utilization of millet spicy resources. 【Method】 27 main agronomic traits of 86 millet spicy resources were evaluated and cluster analyzed. 【Result】 The results showed that yunnan millet spicy resources had rich genetic diversity, the highest diversity index was Leaf color(4.439),the lowest diversity index was stem pubescence(4.325).The largest coefficient of character variation was the number of fruit per plant(45.12 %), the smallest was the fruit thickness(13.80 %). Based on the genetic differences of various inter morphological characters, the 86 species was divided into 6 groups.Ⅰgroups contained 32 materials(37.21 %),Ⅱgroups contained 16 materials(18.60 %), Ⅲ groups contained 28 materials(32.56 %), IV groups contained 6 materials(6.98 %),Ⅴ, Ⅵcontained 2 materials(2.33 %). Which accounted for 37.21 %, 18.6 %, 32.56 %, 6.89 %, 2.33 %,respectively. The results of principal component analysis showed that the contribution rate of the first 6 principal components reached 88.76 % in total. The first, second, third and fourth principal components reflected the yield composition factor, plant type, fruit character and ripeness, respectively. 【Conclusion】 The results showed that the germplasm resources of yunnan millet spicy had great variation and rich genetic diversity.
引文
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[15]芮文婧,王晓敏,张倩男.番茄353 份种质资源表型性状遗传多样性分析[J].园艺学报,2018,45 (3):561-570.
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[18]张爱民,阳文龙,方红曼,等.作物种质资源研究态势分析[J].植物遗传资源学报,2018,19(3):377-382.
[19]李春花,王艳青,卢文洁,等.云南薏苡种质资源农艺性状的主成分和聚类分析[J].植物遗传资源学报,2015,16(2):277-281.
[20]郭丽芬,徐宁生,张跃,等.云南红花种质资源主要农艺性状的遗传多样性分析[J].植物遗传资源学报,2012,13(2):219-225.
[21]王掌军,刘妍,王姣,等.小麦种质资源农艺性状遗传分析及白粉病抗性鉴定[J].西南农业学报,2018,31(7):1338-1348.
[22]张晓丽,吕荣华,王强,等.个东南亚国家水稻种质的表型多样性分析[J].西南农业学报,2018,31(12):2617-2623.
[2]王利群,张西露,戴雄泽,等.我国辣椒资源分类研究现状及探讨[J].辣椒杂志,2015(2):1-5.
[3]顾晓振,郑宇峰,王立浩,等.云南地方辣椒品种涮辣和雀辣的植物学分类[J].植物遗传资源学报,2016,17(5):809-8141.
[4]罗承良,陆显荣.宁洱县野生小雀辣辣椒生长特性及人工栽培技术[J].现代农业科技,2012(5):151-154.
[5]王宝森,白红丽,郭俊明,等.红河州小米辣中矿物元素比较[J].江苏农业科学,2010(5):149.
[6]王宝森,白红丽,郭俊明,等.云南金平小米辣微量元素含量分析[J].食品科技,2010(2):55.
[7]王宝森,白红丽,郭俊明,等.云南石屏那刀辣与小米辣矿质元素含量分析[J].安徽农业科学,2010,38(6):2768-2769,2771.
[8]蒋向辉,佘朝文,许栋,等.应用形态学与RAPD 标记对朝天椒遗传多样性的分析[J].西南农业学报,2010,23(3):810-813.
[9]李宁,王飞,姚明华,等.国内外辣椒种质资源表型性状多样性及相关性分析[J].辣椒杂志,2015(1):8-13.
[10]Geleta L F,Labuschagne M T,Viljoen C D.Genetic variability in pepper(Capsicum annuum L.)estimated by morphological data and amplified fragment length polymorphism arkers[J].Biodiversity and Conservation,2005,14(10):2361-2375.
[11]许先松,刘志钦,林晓丹,等.基于形态及SRAP 标记的辣椒资源遗传多样性及亲缘关系比较[J].福建农林大学学报,2011,40(1):48-53.
[12]詹永发,姜虹,韩世玉,等.朝天椒种质材料的遗传多样性研究[J].贵州农业科学,2008,36(4):8-10.
[13]詹永发,杨红,涂祥敏,等.辣椒品种资源的遗传多样性和聚类分析[J].贵州农业科学,2008,38(11):12-15.
[14]赫卫,张慧,董延龙,等.辣椒种质资源形态学性状相关性、主成分与聚类分析[J].北方园艺,2018(4):9-17.
[15]芮文婧,王晓敏,张倩男.番茄353 份种质资源表型性状遗传多样性分析[J].园艺学报,2018,45 (3):561-570.
[16]孙菲菲,王夏,王强,等.南京地区白菜种质资源遗传主成分与聚类分析[J].江苏农业科学,2014,42(3):106-109.
[17]李锡香,张宝玺.辣椒种质资源描述规范和数据标准[M].北京:中国农业出版社,2006:66-75.
[18]张爱民,阳文龙,方红曼,等.作物种质资源研究态势分析[J].植物遗传资源学报,2018,19(3):377-382.
[19]李春花,王艳青,卢文洁,等.云南薏苡种质资源农艺性状的主成分和聚类分析[J].植物遗传资源学报,2015,16(2):277-281.
[20]郭丽芬,徐宁生,张跃,等.云南红花种质资源主要农艺性状的遗传多样性分析[J].植物遗传资源学报,2012,13(2):219-225.
[21]王掌军,刘妍,王姣,等.小麦种质资源农艺性状遗传分析及白粉病抗性鉴定[J].西南农业学报,2018,31(7):1338-1348.
[22]张晓丽,吕荣华,王强,等.个东南亚国家水稻种质的表型多样性分析[J].西南农业学报,2018,31(12):2617-2623.