|Table of Contents|

Genetic Analysis on Main Quantitative Traits in Pepper(Capsicum annuum L.)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年04
Page:
12-17
Research Field:
Publishing date:

Info

Title:
Genetic Analysis on Main Quantitative Traits in Pepper(Capsicum annuum L.)
Author(s):
CHEN Qianqian1; HU Hongsai1; XIAO Haihuan1; GUO Zhiwei2; REN Fusen2; LI Zhenxia1
(1.College of Horticulture and Landscape Architecture,Henan Institute of Science and Technology,Xinxiang,Henan 453003;2.Xinxiang Academy of Agricultural Sciences,Xinxiang,Henan 453003)
Keywords:
pepper（Capsicum annuum L.）; quantitative trait; correlation analysis; path analyses
PACS:
-
DOI:
10.11937/bfyy.20182504
Abstract:
There are different degrees of connections among many traits in pepper.In order to clarify the relationship between their traits,nineteen different peppers were used as experimental materials and the relationship between twelve important quantitative traits of pepper was studied by correlation analysis,path analysis and dominant degree analysis.to provide basic data and theoretical basis for improving the selection efficiency of cross breeding and speeding up the breeding process of new varieties.The results showed that there were significant differences in traits among different pepper materials tested,with the coefficient of variation ranging from 8.49% to 37.77%.The leaf length was significantly and positively correlated with leaf width,flower node position and weight of pepper single fruit,and was significantly and positively correlated with vitamin C content.Leaf width was positively correlated with vitamin C content.There was a significant positive correlation between the single fruit weight of pepper and vitamin C content and fruit thickness,and a very significant positive correlation between the single fruit weight of pepper and the initial flower node position.The fruit width was negatively correlated with the fruit length and positively correlated with the fruit thickness.The number of fruit per plant was significantly negatively correlated with the weight of pepper and positively correlated with the yield per plant.The performance of other traits was not significant.The plant width,yield per plant,fruit thickness and number of fruit per plant showed strong positive genetic advantage.It showed strong negative genetic advantage on pepper single fruit weight,plant height,leaf length,fruit length,leaf width and vitamin C content.The direct contribution of main quantitative traits to the yield per plant of capsicum was as follows from large to small:leaf length>fruit number per plant>fruit thickness>fruit length>leaf width>fruit width.Therefore,it is possible to screen breeding materials according to the requirements of breeding targets for pepper traits.

References:

[1]程海刚,郭艳萍,李翎,等.线辣椒主要生物学性状相关性分析及产量因素通径分析[J].陕西农业科学,2012,58(2):71-73.[2]马艳青.我国辣椒产业形势分析[J].辣椒杂志,2011,11(1):1-5.[3]洪雨顺,杨德.辣椒种质资源遗传多样性保护和利用研究进展[J].中国农学通报,2006,22(2):358-360.[4]李晴,韩玉珠,张广臣,等.辣椒品种主要农艺性状的相关性和主成分分析[J].长江蔬菜,2010,27(6):29-33.[5]张秀荣,李晓丹,张延安,等.辣椒产量与相关农艺性状的灰色关联度分析[J].江西农业学报,2013,25(2):47-50.[6]曲晓斌,侯全剐,李莉,等.线辣椒主要农艺性状相关性分析及产量因素通径分析[J].西北农学报,2007,16(6):174-177.[7]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.[8]翟秀明,邵登魁,侯全刚,等.黄色线辣椒为母本的F1代遗传特性与杂种优势研究[J].北方园艺,2012(8):13-16.[9]邵峰,徐娟,龚记熠,等.45个引种辣椒果实性状的遗传分析[J].贵州农业科学,2013,41(9):27-29.[10]李合生,孙群,赵世杰,等.植物生理生化实验原理和技术[M].北京:高等教育出版社，1999.[11]DWIVEDI S L.Heterosis and combining ability studies and relationship among fruit and seed characters in peanut[J].Peanut Sci,1989(16):14-20.[12]乔迺妮.辣椒主要数量性状遗传分析[D].杨凌:西北农林科技大学，2006.[13]龚明霞,何铁光,董文斌,等.辣椒种质资源植株和果实性状的相关性及因子分析[J].辣椒杂志,2013,13(4):1-5.[14]高晶霞,颜秀娟,梁生蕃,等.不同辣椒株系自交系主要数量性状研究[J].安徽农业科学,2012,40(29):14216-14218.[15]乔迺妮,陈益元.辣椒主要农艺性状的相关性及通径分析[J].长江蔬菜,2013,30(22):16-19.

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Last Update: 2019-03-22