马铃薯孢囊线虫抗性育种研究进展

Progress in Potato Resistance Breeding to Potato Cyst Nematodes

摘要

马铃薯孢囊线虫（Potato cyst nematode，PCN）主要指马铃薯金线虫（Globodera rostochiensis）和马铃薯白线虫（G. pallida），是马铃薯中最重要的植物寄生线虫，具有早期症状不明显、易传播、潜伏期长、根治困难等特点。因其严重危害性和经济影响性，该类线虫被多个国家列为检疫性有害生物。利用马铃薯孢囊线虫抗性基因选育并种植抗性品种，是降低马铃薯孢囊线虫危害的经济、有效、可持续发展策略。综述简述马铃薯孢囊线虫的分类关系与致病型分型法，以及对马铃薯孢囊线虫耐受性和抗性定义及其评价方法；详细介绍目前常用马铃薯孢囊线虫抗性基因及分子标记，以及马铃薯孢囊线虫抗性育种研究进展并进行展望。

Abstract

The potato cyst nematodes (PCN) referring to golden potato cyst nematode (Globodera rostochiensis) and the pale cyst nematode (G. pallida) are the most important plant parasitic nematode in potatoes. They are characterized by early inconspicuous symptoms, ease of spread, long latency periods, and difficulty in eradication. Due to their severe harmfulness and economic impact, PCN are listed as a quarantine pest in many countries around the world. Utilizing resistant genes to breed resistant potato varieties and planting these resistant varieties is an economical, effective, and sustainable strategy to reduce the damage caused by potato cyst nematodes. In this review, the classification relationships and pathogenic framework of potato cyst nematodes, as well as the definition and evaluation methods of tolerance and resistance to potato cyst nematodes were briefly described, and the known resistant genes and molecular markers against potato cyst nematodes and the development of potato cyst nematode resistance breeding were introduced in detailed. Additionally, the prospects are made.

关键词

马铃薯 / 马铃薯孢囊线虫 / 抗性基因 / 分子标记 / 抗性育种

Key words

potato / potato cyst nematode (PCN) / resistant gene / molecular marker / resistant breeding

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基金资助

云南省科技人才与平台计划项目(202305AP350012)

国家留学基金委西部地区人才培养特别项目(留金项[2021]15号)

云南省“万人计划”产业技术领军人才项目(YNWR-CYJS-018-025)

云南省科技计划项目(202304BI090026)