Inheritance of resistance to anthracnose caused by Colletotrichum capsici in Capsicum

被引：82
作者：
Pakdeevaraporn, P
Wasee, S
Taylor, PWJ
Mongkolporn, O
机构：
[1] Kasetsart Univ, Dept Hort, Nakhon Pathom 73140, Thailand
[2] Kasetsart Univ, Ctr Agr Biotechnol, Nakhon Pathom 73140, Thailand
[3] Kasetsart Univ, Trop Vegetable Res Ctr, Nakhon Pathom 73140, Thailand
[4] Univ Melbourne, BioMarka, Inst Land & Food Resources, Melbourne, Vic 3010, Australia
来源：
PLANT BREEDING | 2005年 / 124卷 / 02期
关键词：
Capsicum annuum; C; chinense; Colletotrichum capsici; interspecific crosses;
D O I：
10.1111/j.1439-0523.2004.01065.x
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Inheritance of resistance to anthracnose caused by Colletotrichum capsici (Syd.) Butler & Bisby was studied in interspecific Capsicum populations derived from a cross between a Thai elite cultivar Capsicum annuum L. 'Bangchang' and a resistant line C. chinense Jacq. 'PBC932'. The resistance was assessed by measuring lesion area per fruit area (LFA) on detached chili fruits, using a laboratory-based injection inoculation. Nil symptoms resembling the resistant parent 'PBC932' were also identified in the progeny F-2 and BC1 populations. Segregation of resistance (nil LFA) and susceptibility in the F-2 fitted a 1 : 3 Mendelian ratio, indicating that resistance was responsible by a single recessive gene. The segregation of the trait in the testcrosses in both BC(1)s also confirmed the 1 : 3 gene segregating model as found in the F-2.
引用
收藏
页码：206 / 208
页数：3
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