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1983年我们在开原县战远公社双城4队,在抓好果园清扫、早春深翻和地面施药的基础上,进行了树上喷药防治山楂花腐病的试验。试验园地势低洼,历年花腐病较严重。供试树为15株18年生早熟伏里红山楂,以单株为小区重复3次。供试药剂有石硫合剂、10%可湿性多菌灵和40%可湿性福美砷。以喷清水为对照。经试验初步看出如下结果:一、山楂萌芽后喷1次3度石硫合剂,展叶时再连喷3次0.8度石硫合剂的,比展叶后只喷1次石硫合
In 1983 we were in Kaiyuan County Yuan Yuan commune Shuangcheng team 4, do a good job in the orchard cleaning, deep spring early spring and ground spraying on the basis of the tree spraying control Hawthorn rot disease test. Low-lying test of the park, the annual flower rot is more serious. The test tree for the 15 18-year-old premature vulgaris red hawthorn, to plant for the community to repeat 3 times. Test agents are stone sulfur mixture, 10% wettable carbendazim and 40% wettable US Arsenic. To spray water as a control. After the initial test to see the following results: First, the hawthorn sprouting after a 3-degree stone sulfur mixture, even when the leaves show 0.8 times 3 times spray lime sulfur than the leaf after spraying only 1 stone sulfur