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为探索农抗120(湖北生物农药厂产品)对柑桔疮痂病的防治效果,我们于1987—1988年在白马、大桥两桔园做了药效试验。 试验设农抗120 300ppm、200ppm、100ppm液,50％多菌灵800倍液4项药剂处理,以不用药对照,统一在4月初初见发病时喷药。药后90天调查防效,每小区查3株,每株查2个2年生枝条,记载总果数和其中0至3级受害病果数(0级无病,1级初见病斑,2
In order to explore the effect of Nongqin 120 on the control of citrus scab, we conducted a pharmacodynamic test in two orange orchards in Baima and Daqiao from 1987 to 1988. Test set of agricultural anti-120 300ppm, 200ppm, 100ppm liquid, 50% carbendazim 800 times 4 agents to treat, without medication control, unified in early April when the incidence of spraying. Ninety days after the drug investigation, the anti-efficacy was investigated. Three plants per plot were examined. Two 2-year-old shoots were surveyed for each plant, and the total number of fruits and the number of affected diseases of 0 to 3 grade were recorded (Grade 0 disease- 2