中国油料作物学报2025，Vol.47Issue(1)：20-36,17.DOI:10.19802/j.issn.1007-9084.2023293
向日葵抗列当机制和防控技术研究进展
Advancements of sunflower resistance mechanisms and control technologies on broomrape
摘要
Abstract
Sunflower is considered one of the crucial oil crops,ranking only behind soybean,peanut and rape-seed on both area and yield in China.However its growth is manifestly stunted by broomrape with inadequate seed development,which was initially reported in Russia in 1866,sunflower broomrape proliferated extensively across sunflower-growing regions globally,leading substantial damage on sunflower production.To combat the prevalence of sunflower broomrape,researchers have focused on understanding its parasitic mechanisms,and also sunflower's defenses for better control.Romania researchers revealed evolutionary transition of sunflower broomrape from race A to I and beyond.The sustained evolution of sunflower broomrape's virulence stems from 2 primary factors.Firstly,sunflower broomrape's expansive seed bank provides ample material for mutations.Secondly,gene exchanges among populations,and wild species continually reshuffles their genome,enhancing population genetic diversity and hastening sunflower broomrape's virulence evolution.Most sunflower varieties exhibit vertical resistance to sun-flower broomrape,which governed by a single dominant gene.Each resistance gene corresponds directly to an aviru-lence gene in sunflower broomrape,following the gene-for-gene interaction.While incorporating a single dominant gene expedites sunflower breeding for resistance,it remains rapidly overcome by new and more virulent race.Thus the future focus of resistance breeding might lean toward pyramiding multiple dominant genes or quantitative resis-tance genes.Researchers have devoted efforts to identify resistance genes,sourcing them from local,cultivated,and wild sunflower species.Identified genes to date include Or1-Or7,OrDEB2,and OrSII.Advances in DNA markers and sunflower genome refined mapping of these antagonistic genes.For instance,the OrDEB2 gene is located within a 0.9 cM-interval on chromosome 4's upper segment,corresponding to 1.38 Mb-genome section,with 9 candidate genes available for direct application on resistance.Sunflower's resistance to broomrape spans 3 stages:pre-attachment,pre-haustorial,and post-haustorial,each evolving distinct physical and chemical barriers to thwart parasitism.Le-veraging sunflower's resistance mechanisms to cultivate diverse resilient varieties emerges as the most cost-effec-tive method for crop control.Furthermore,preventive and control strategies encompass early prediction,agronomic practices,chemical and biological interventions.The synergistic use of these strategies yields optimal control out-comes.In summary,this paper provides an overview of sunflower broomrape seed germination mechanisms,parasit-ic process,domestic and global distribution of sunflower broomrape physiological races,sunflower's resistance mechanisms against broomrape,and the latest sunflower broomrape prevention and control technologies.Research on control technology of sunflower broomrape requires collaboration from multiple disciplines including plant pa-thology,pesticide science,and breeding.This will accelerate the development and improvement of control technolo-gies for broomrape.关键词
向日葵列当/向日葵抗列当机制/防控技术Key words
sunflower broomrape/mechanisms of sunflower resistance to broomrape/control technologies分类
植物保护学引用本文复制引用
闫宁宁,张键,赵君..向日葵抗列当机制和防控技术研究进展[J].中国油料作物学报,2025,47(1):20-36,17.基金项目
国家现代产业技术体系(CARS-14) （CARS-14）
中央引导地方科技发展计划(2022ZY0075) （2022ZY0075）
内蒙古自治区重点研发和科技成果转化计划(2022YFXZ0039) （2022YFXZ0039）
自治区重点研发和成果转化国际合作项目(2023KJHZ0017) （2023KJHZ0017）
