番茄喷糖防早疫病江苏省连云港市植保站张来振等，对保护地番茄进行喷红糖水（０．１％）试验，以喷清水为对照，结果对照早疫病始见期为３月２１日，４月上旬发病率达８４．２％；喷糖水者早疫病始见期为４月３日，４月上旬发病率仅为１６．２％。番茄喷糖防早疫病... Tomato spray sugar anti-early blight Lianyungang City Plant Protection Station in Jiangsu Province Zhanglaizhen, etc., to protect the tomato spray brown sugar water (0.1%) test to spray water as control, the results of control early blight onset period is March 21, In early April, the incidence rate reached 84.2%. The initial incidence of early blight in sugar sprayers was April 3, and the incidence in early April was only 16.2%. Spray sugar tomato anti-early blight ...