油菜根肿病抗性遗传改良与应用
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国家自然科学基金项目(31871659);国家油菜产业技术体系专项(CARS-12)


Genetic improvement and application of clubroot resistance in Brassica napus varieties
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    摘要:

    油菜是我国重要的油料作物,但近年受根肿病危害严重,发病面积66.7万hm2以上,已成为影响油菜安全生产的头号杀手。油菜根肿病防治的方法较多,但最经济最有效的途径是抗性遗传改良。为了加快我国油菜根肿病抗性遗传改良的步伐,本文重点对抗性资源的发掘、抗性基因定位、抗病育种主要进展进行了总结,并适时提出一些尚待解决的科学或产业问题。由于长期种植单一抗性的油菜品种容易导致抗性丧失,本文还提出了持久抗性品种选育的可能途径,特别是对如何科学应用抗病品种给出了建议。

    Abstract:

    Rapeseed is the largest oil crop in China. However,it has been seriously affected by clubroot disease caused by Plasmodiophora brassicae in recent years,with the infected area of more than 667 000 hm2. The clubroot disease has become the number one killer affecting the safety of rapeseed production. There are many methods for prevention and treatment of clubroot disease in rapeseed,but the most economical and effective way is the genetic improvement of disease resistance. In order to accelerate the genetic improvement of clubroot disease resistance in rapeseed in China,this article summarized the progress in discovering resources of disease resistance,mapping genes of disease resistance,and breeding of disease resistance. Some scientific or industrial problems to be resolved are put forward in a timely manner. Since longterm planting of rapeseed varieties with single resistance can easily lead to the loss of resistance,this article proposes possible ways to breed varieties with longlasting resistance. The specific suggestions on how to develop rapeseed varieties with durable resistance and how to utilize them properly in the field are provided.

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王燕燕,杨植全,杨庆勇,张椿雨.油菜根肿病抗性遗传改良与应用[J].华中农业大学学报,2021,40(2):1-5

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  • 收稿日期:2021-02-16
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  • 在线发布日期: 2021-04-16
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