INHERITANCE OF ADULT-PLANT RESISTANCE TO PHYTOPHTHORA-CAPSICI IN PEPPER

被引:75
作者
REIFSCHNEIDER, FJB [1 ]
BOITEUX, LS [1 ]
DELLAVECCHIA, PT [1 ]
POULOS, JM [1 ]
KURODA, N [1 ]
机构
[1] ASIAN VEGETABLE RES & DEV CTR,TAINAN 741,TAIWAN
关键词
CAPSICUM-ANNUUM; INHERITANCE; DISEASE RESISTANCE; PEPPER; PHYTOPHTHORA BLIGHT; PHYTOPHTHORA-CAPSICI;
D O I
10.1007/BF00036086
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Inheritance studies were conducted to determine the genetic basis of adult-plant resistance in pepper (Capsicum annuum L.) to Phytophthora capsici. F1, backcrosses and F2 populations were developed using the resistant parent Criollo de Morellos 334 and susceptible parents Agronomico 10-G and Yolo Wonder. Pepper plants, at 36 days post-emergence, were inoculated near the base of the stem with an inoculum suspension of 5 x 10(4) zoospores/ml. Segregation ratios in the F2 generation of 13 resistant to 3 susceptible plants fit a 2-gene model for resistance with dominant and recessive epistasis.
引用
收藏
页码:45 / 49
页数:5
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