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一、防治病虫 从6月初起,每隔20天喷20％灭扫利2000倍液,倍量式或多量式波尔多液200—240倍液,直到10月底。能有效地防治病虫害,保护叶片,促进花芽分化。 二、土埋多效唑 对幼龄旺树,适龄不结果旺树,在5月下旬,每株埋5—10克15％的多效唑粉剂。方法是:将多效唑粉剂溶于水,树冠外围稍向内绕树干挖深20厘米的环形沟,均匀地将多效唑溶液浇入沟中,覆土即可。这是控制枝生长量,增加
First, the prevention and control of pests from the beginning of June, every 20 days spray 20% off sweetener 2000 times, multiple or multiple-volume Bordeaux mixture 200-240 times until the end of October. Can effectively control pests and diseases, protect the leaves and promote flower bud differentiation. Second, landfill paclobutrazol on the young Mongolian tree, age unsuccessful Mong tree, in late May, each plant buried 5-10 grams of 15% paclobutrazol powder. The method is as follows: dissolve the powder of paclobutrazol in water, and dig the annular groove about 20 centimeters deep about the periphery of the crown slightly inward of the canopy to uniformly pour the paclobutrazol solution into the furrow to cover the soil. This is to control the growth of branches, increase