摘要
本文综述了近年来在植物数量抗病性遗传研究方面的进展及发展动态。列举了利用DNA分子标记定位和估计植物数量抗性座位或基因(QRL)的18个实例,从中归纳总结了控制植物数量抗病性的QRL数目、类别、效应及其基因与基因和基因与环境、植株生育期、病菌生理小种(或致病类型)间的互作关系。展望了QTL作图对复杂的数量抗病性的标记辅助选育和数量抗性基因图位克隆的发展前景。
Recent advances in the studies of quantitative disease resistance in
plants are reviewed in this paper. Eighteen examples of mapping quantitative resistance loci (
QRL ) in plants with the assistance of DNA molecular markers are enumerated. These studies
provided insights into the numbers, types and effects of QRLs and their relations to ecological
environment, plant development stage and pathogen races ( or pathotypes ) etc. QTL mapping
opens up broad prospects for marker-assisted selection of complex quantitative disease
resistance characters and the positional cloning of quantitative resistance genes.
出处
《植物病理学报》
CAS
CSCD
北大核心
1999年第1期8-14,共7页
Acta Phytopathologica Sinica
关键词
植物病害
数量抗性座位
QTL作图
基因效应
plant disease, quantitative resistance loci(QRL), QTL mapping, gene effect, racespecificity