Gastrodia pest control measures
First, the mountain termites. The termite is one of the major diseases of gastrodia. Whether in outdoor or indoor cultivation, they are often exposed to termites. In severe cases, gastrodia and their germplasm are consumed. Prevention methods include: 1, before planting, dig a few 30 cm deep traps near the cellar, place fresh firewood on the pits, cover pine needles or fireweed, cover them with slate, and find termites that can be sprayed with mirex powder. 2. Spray insecticides such as trichlorfon and dimethoate on the sites where termites are often active, or use methods such as contaminating their food and water sources to seduce them.
Second, the prevention and control of earthworms and earthworms. 1, the organic fertilizer to fully decomposed, it is best to use high temperature stacking. 2, in the field hanging black lanterns or lanterns trap adult insects, placed under the lamp filled with water or kerosene containers. 3. During the occurrence period, 90% trichlorfon 1000 times or 75% phoxim 750 times was used to irrigate the roots. 4, with bran or bean cake 5 kilograms of saute, plus 90 kilograms of trichlorfon 0.05 kilograms, 5 kilograms of water, made bait, in the evening when applied per acre 1.5 to 2 kilograms, the effect is good.
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