安徽油菜根肿病菌生理小种鉴定及品种抗病性评价.PDFVIP

安徽农业大学学报, 2014, 41(5): 772-776 Journal of Anhui Agricultural University [DOI] 10.13610/ki.1672-352x017 网络出版时间：2014-8-27 16:12:00 [URL] /kcms/doi/10.13610/ki.1672-352x017.html 安徽油菜根肿病菌生理小种鉴定及品种抗病性评价 1 1 1 1* 2 2 汪 春 ，李凯旋 ，彭衍彪 ，檀根甲 ，鲍周明 ，方春华 (1. 安徽农业大学植物保护学院，合肥 230036 ；2. 黄山市农技推广中心，屯溪 245021) 摘 要：十字花科作物根肿病在安徽省黄山市油菜种植区发生日趋严重, 已成为限制油菜产量和品质的重要因 素。为明确安徽黄山油菜产区根肿菌的生理小种及主栽油菜品种的抗病性，采用 Williams 法对安徽省黄山市部分 地区的根肿病菌进行了生理小种鉴定，采用田间自然发病方法在根肿病发病严重地区对 30 个油菜品种进行抗性研 究。结果表明，目前安徽省黄山油菜根肿病菌为生理小种4 号和 9 号。荃银油 5 号、德油早 1 号等品种为抗病品种。 这些品种可作为当地根肿病病区主栽品种及育种材料使用。 关键词：油菜; 根肿病; 生理小种; 抗性 中图分类号：S435.654 文献标识码：A 文章编号：1672−352X (2014)05−0772−05 Identification of physiological races of Plasmodiophora brassicae and resistance of rape cultivars to clubroot in Anhui 1 1 1 1 2 2 WANG Chun , LI Kaixuan , PENG Yanbiao , TAN Genjia , BAO Zhouming , FANG Chunhua (1. School of Plant Protection, Anhui Agricultural University, Hefei 230036; 2. Agricultural Technology Extension Center of Huangshan, Tunxi 245021) Abstract: The cruciferous clubroot disease in Anhui Province is increasing year by year. It has become an important factor limiting canola yield and quality. In this paper, Williams system was used to identify the main physiological races of Plasmodiophora brassicae collected from some regions in Huangshan city, Anhui province. The resistance of 30 oilseed cultivars to clubroot was evaluated under field conditions in Huangshan. The result indicated that the main races of clubroot disease in Huangshan were No.4 and No.9 physiological races. Cultivars ‘Quanyi