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一 概况 福建自一九五三年引种巴西橡胶,一九六○年在诏安建设农场首次发生白粉病,至今分布龙溪,晋江地区和厦门市郊区的12.6万亩胶园,均有发生和为害。 一九七九至一九八○年我省各地胶园白粉病普遍发生和流行,出现落叶、落花和梢枯等现象,对胶树生长和干胶产量造成严重损失。 本文着重分析橡胶白粉病的发病年份、地区和品系三者的关系,并介绍硫磺粉和硫磺烟雾剂(简称粉剂和烟剂)的防效试验结果。
At a Glance Fujian has introduced Brazilian rubber since 1953 and the first powdery mildew occurred on the construction farm in Zhao’an in 1960. As of today, there have been 126,000 mu of rubber plantations in Longxi, Jinjiang, and the suburbs of Xiamen Harmful. From1979to1980, the occurrence of powdery mildew in rubber plantations in our province was common and prevalent, with the phenomenon of falling leaves, falling flowers and shoots, which caused serious damage to the growth of gum trees and the yield of dry glue. This article focuses on the analysis of the incidence of rubber powdery mildew year, region and the relationship between the three strains, and describes the sulfur powder and sulfur aerosol agent (referred to as powder and smoke) control effect test results.