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荔枝疫病(又称荔枝霜霉病)是目前广东省荔枝果实上量严重的病害,往往引起荔枝大量落果、烂果,造成很大损失。对此病,有些果园虽曾用过波尔多液和百菌清进行防治,但效果不理想。今年我们根据1981年室内药剂筛选结果,先后在中山县多宝农场和江门市外海公社麻一大队的重病区进行田间药剂防治试验,结果证明我国各地产的乙
Lychee blight (also known as litchi downy mildew) is currently the litchi fruit in Guangdong Province, a serious amount of disease, often cause a lot of litchi fruit drop, rotten fruit, causing great losses. For this disease, some orchards have used Bordeaux mixture and chlorothalonil for prevention and treatment, but the results are not satisfactory. This year, according to the results of the screening of indoor pharmacies in 1981, we conducted field trials on pesticides in Dabao Farm of Zhongshan County and Ma-Brigade of Jianghai City Outskirts Commune, which proved that B