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以单个病程为基本结构,将晚疫病流行过程中各子模型有机地连接起来组建成番茄晚疫病流行系统模拟模型 SIMTLB-Ⅰ。SIMTLB-Ⅰ由 FORTRAN 77语言实现,解题时距为1 d,系统输入项包括始病期、初菌量及气象条件等。用田间实际的环境条件作为模拟的输入项进行了模拟试验,认为系统的结构基本合理,并就始病期、初菌量、相对湿度及施药措施对病害发展的影响进行了模拟试验。
Based on the single disease course, the sub-models of late blight epidemic were linked together to form SIMTLB-Ⅰ, a simulation model of tomato late blight epidemic. SIMTLB-Ⅰ is realized by FORTRAN 77 language, and the solution time is 1 d. The system input includes the onset period, the initial strain and meteorological conditions. The simulation experiment was carried out using the actual environmental conditions in the field as the simulation input. The structure of the system was considered to be reasonable and the simulation tests were conducted on the effects of initial stage, initial bacteria amount, relative humidity and pesticide application on the disease development.