植物病害流行学的研究一再指出,植物叶面结露时间的长短与植物病原真菌孢子在叶面萌发、侵入的数量多少关系极大。结露时间越长,则病害真菌侵入的百分率越高,病害发生将越重。因此,为了准确预测植物真菌性叶部病害的发生数量,许多植病学者一直希望能够研制成一种可以准确自动记录叶面结露时间长短的仪器。七十年代中期,日本植病学者桥本晃等在对稻瘟病的研究过程中试制成了一种重量式结露仪,并将 Plant disease epidemiology studies have repeatedly pointed out that the length of plant foliar dew condensation and phytopathogenic fungal spores in the foliage germination, the number of invasive how much. The longer the condensation time, the higher the percentage of disease fungus invaded and the heavier the disease will occur. Therefore, in order to accurately predict the number of phytopathogenic foliar diseases, many plant disease scholars have always hoped to develop an instrument that accurately and automatically records leaf dew condensation time. In the mid-seventies, Japanese physician Hashimoto Hashimoto and others tried to make a weight-based dew-measuring device during the research on rice blast,