Adzuki Breeding and Analysis of Genetic Elements of Virulence and Resistance in Brown Spot Disease Caused by Pseudomonas

假单胞菌褐斑病赤小豆选育及毒力和抗性遗传元件分析

基本信息

  • 批准号:
    576491-2022
  • 负责人:
  • 金额:
    $ 5.1万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Adzuki (Vigna angularis) is a valuable legume grown in Canada for export to Asia, where it is primarily used to produce bean paste for sweet buns and cakes. Adzuki bean exporters, including our partner, Hensall District Co-operative and their 6,000 member owneres, are interested in providing premium quality beans to these markets to obtain the best prices for them. The highest priced beans in Japanese markets are large and pale-red in colour. Ontario adzuki beans are almost exclusively of the variety Erimo, which has an ideal paste making composition, but has small, dark red seeds.The goals of the proposed work are to: 1) breed high-yielding adzuki varieties with large, pale-coloured seeds and excellent paste making qualities and 2) determine the genetics controlling resistance to biotic stress associated with Brown Spot and infection by soybean cyst nematodes in Adzuki. Additionally, molecular marker trait associations will be explored in the germplasm that will be evaluated and developed. The research in the project on Brown Spot in Adzuki will: develop a screening procedure to identify resistant germplasm, characterize variation in the pathogen (Pseudomonas) isolates obtained from Adzuki crops in Ontario, and develop molecular markers for resistance to Brown Spot in Adzuki. Therefore, the work will provide unique germplasm for high quality variety development and the tools needed to increase the speed and precision of breeding superior adzuki bean varieties suited for production in Canada, that command premium prices in international markets.
红小豆(Vigna angularis)是一种在加拿大种植的珍贵豆类,出口到亚洲,主要用于生产甜面包和蛋糕的豆沙。红豆出口商,包括我们的合作伙伴 Hensall 地区合作社及其 6,000 名成员所有者,有兴趣向这些市场提供优质豆,以获得最优惠的价格。日本市场上价格最高的咖啡豆个头大,呈淡红色。安大略红小豆几乎完全是 Erimo 品种,它具有理想的制糊成分,但种子小,呈深红色。拟议工作的目标是:1) 培育高产小豆品种,种子大,颜色浅,制糊品质优良,2) 确定控制与褐斑病和大豆胞囊线虫感染相关的生物胁迫抗性的遗传学。 红豆。此外,还将在将要评估和开发的种质中探索分子标记性状关联。 红小豆褐斑病项目的研究将:开发筛选程序来鉴定抗性种质,表征从安大略省红豆作物中获得的病原体(假单胞菌)分离株的变异,并开发红小豆褐斑病抗性分子标记。因此,这项工作将为高质量品种开发提供独特的种质,并提供提高培育适合加拿大生产的优质小豆品种的速度和精度所需的工具,这些品种在国际市场上具有较高的价格。

项目成果

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