Evaluation of the RPi-ber late blight resistance gene for tuber resistance in the field and laboratory

被引：4
作者：
Mayton, Hilary [1 ,2 ]
Rauscher, Gilda [1 ,3 ]
Simko, Ivan [3 ,4 ]
Fry, William E. [1 ]
机构：
[1] Cornell Univ, Dept Plant Pathol & Plant Microbe Biol, Ithaca, NY 14853 USA
[2] Cornell Univ, Dept Genet & Plant Breeding, Ithaca, NY 14853 USA
[3] ARS, USDA, Crop Improvement & Protect Res Unit, Salinas, CA 93905 USA
[4] Cornell Univ, Dept Hort, Ithaca, NY 14853 USA
来源：
PLANT BREEDING | 2011年 / 130卷 / 04期
关键词：
late blight; R gene resistance; tuber blight; Phytophthora infestans; BROAD-SPECTRUM RESISTANCE; PHYTOPHTHORA-INFESTANS; SOLANUM-BULBOCASTANUM; R-GENES; DISEASE RESISTANCE; CHROMOSOME-IX; POTATO; FOLIAGE; LOCUS; MAPS;
D O I：
10.1111/j.1439-0523.2010.01836.x
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The purpose of this research was to evaluate the efficacy in tubers of a late blight resistance gene, RPi-ber, originating from Solanum berthaultii. Experiments were conducted in the field and laboratory. Inoculation of tubers in field trials occurred via sporangia produced on infections in the foliage. Laboratory trials were conducted by inoculating whole tubers and tuber slices with sporangia of Phytophthora infestans. In all trials, those progeny with RPi-ber were essentially immune to strains of P. infestans that were incompatible with RPi-ber in the foliage. However, even when tested against strains of P. infestans that were compatible with RPi-ber in the foliage, there was still a resistance effect at the RPi-ber region.
引用
收藏
页码：464 / 468
页数：5
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