The trunk package method is a new method for controlling fruit tree aphids popularized in recent years. This method not only applies to the formation of orchards, but also to the control of forest mites. Its specific method:
First, the selection site is 20 to 30 in the fruit tree main ground. At the centimeter or at the base of the main branch, choose a smooth berry with a width of about 15 cm (the trunk can be scraped off) as a medicine.
Second, the medicine part first wrapped in a circle of absorbent (old cotton, toilet paper or waste newspapers, etc.), and then diluted 50% of methamidophos or 40% of omethoate into 3 ~5 times solution, inject or apply about 20 ml on the absorbent, and then fasten with a plastic film.
Third, the removal of the plastic film is applied to the pesticide liquid for 5 to 6 days, and the absorbent is removed before the rain to avoid rot at the dressing.
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