近年来,日本的猕猴桃生产有了较大的发展,1985年产量达2万吨。据推测,到1990年,面积可达3173公顷,产量可达54740吨。日本猕猴桃的产量虽然不断增加,但病虫害发生率也在上升,特别是开花期的花腐病,东海地区发生较多的猕猴桃海洋病,贮藏中的软腐病等已构成产地的大问题。在栽培方面,由于果园透光率低,加之肥、水过多,以及建园不适当等:其结果是果实品质和贮 In recent years, Japan’s kiwifruit production has a greater development, production in 1985 amounted to 20,000 tons. It is speculated that by 1990, an area of ​​up to 3173 hectares, the output up to 54,740 tons. Although the output of kiwifruit in Japan is increasing, the incidence of pests and diseases is on the rise, especially the flower rot at anthesis, kiwifruit disease in the East China Sea, soft rot in storage and so on. In cultivation, due to the low light transmittance of the orchard, combined with fertilizer, excessive water, and improper construction of garden: the result is the quality of the fruit and storage