Investigation of Gray Mold of Protected Tomato and Resistance Identification of Variety in Shihezi Area, Xinjiang

• 作者: Dai Wenting Li Jixin Wu Hongbin Yang Hui Zhang Qiang
• 来源期刊: Plant Diseases and Pests(植物病虫害研究:英文版)
• 学科: 农学
• 关键词: Protected TOMATO GRAY MOLD RESISTANCE identification
• 年，卷（期）: 2018,（3）
• 页码范围: 4-7
• 页数: 4页
• 分类号: S

摘要

[Objective] The paper was to understand the occurrence of gray mold of protected tomato and resistance of introduced tomato varieties to gray mold in Shihezi area.[Method] The occurrence status of gray mold in protected tomato in Shawan County, Manas County, the experimental field of Shihezi University and Shihezi Huayu base were investigated during the occurrence period of tomato gray mold, and the resistance of intro-duced variety against tomato gray mold was identified at seedling stage through indoor artificial inoculation method.[Result] The diseased leaf rate of tomato gray mold was 17.52%-100%, the diseased fruit rate was 3.1%-55.69%, and the disease index was 15.98-100. In resistance identifica-tion of different tomato varieties, the disease indexes of Kenfan25, Shifan28, Shifan15, KENFAN-3, KENFAN-5, Shifan35, KENFAN-2 and Shifan-9 were 1.03, 3.1, 1.17, 4.3, 5.32, 5.12, 4.32 and 4.11, respectively. From September to March of the following year, tomato gray mold occurred and was prevalent in greenhouses in Shihezi area.[Conclusion] Shifan28, Kenfan25 and Shifan15 showed resistance to tomato gray mold, while the oth-er five varieties were susceptible to the disease.