华池县地处甘肃东部,北与陕西省志丹、吴旗和定边县接壤;西南部与甘肃环县、庆阳县相连,东南部与合水县毗邻。全县分东部麦区、中南部麦区、西北部麦区三个自然类型区。境内川塬交错、沟壑纵横,属西北黄土高原残塬类型地带,温度、湿度相差很大,提供了小麦锈病越夏越冬的环境,形成了独立的小麦锈病(条锈、叶锈、秆锈,以条锈为主)侵染循环体系,是西北、华北条锈病流行的菌源地。 1 越夏地带 华池县7月份平均气温21.7℃,东部麦区温湿 Huachi County is located in the east of Gansu, north of Zhidan, Wuqi and Dingbian counties in Shaanxi Province; southwest of Huanxian County, Gansu Province, Qingyang County, southeast and adjacent to Heshui County. The county is divided into eastern wheat area, central and southern wheat area, northwest wheat area three natural type area. Interlaced Sichuan Plateau, gully aspect, belonging to the Northwest Loess Plateau plateau type zone, temperature and humidity vary greatly, providing wheat rust overwintering environment, the formation of an independent wheat rust (stripe rust, leaf rust, Stripe rust-based) infection cycle system, northwest, northern China stripe rust endemic. 1 Yuexia area Huachi County in July the average temperature of 21.7 ℃, the eastern wheat area temperature and humidity