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一、前言柑桔油斑病是我省甜橙产区影响外销的重要病害,一般病果率达20%左右。据秭归茅坪柑桔大队贫下中农反映,是一种红头蜢子为害所致。1972年12月我们又在龙江大队锦橙上采集到大量正在果面为害的红头叶蝉(群众称红头蜢子,学名待定),为了进一步摸清其发病原因、发病规律,提出切实可行的防治措施,1973年在秭归龙江大队进行了发病原因的观察和发病规律调查,现将结果整理如后。
First, the preface Citrus greasy spot disease is an important disease affecting the export of sweet orange producing areas in our province, the general disease rate of about 20%. According to Mau Ping mandarin orange brigade poor middle peasants reflect, is a red-headed grasshopper caused by damage. In December 1972, we collected a large number of red-leafhoppers (masses called red-headed grasshoppers, to be determined) on the orange juice of Longjiang Brigade in order to find out the causes and incidence of the disease and put forward feasible solutions Prevention and treatment measures, in 1973 in the Longjiang Brigade in Zigui conducted a study of the incidence of pathogenesis and incidence of investigations, the results are sorted as follows.