How to control Gastrodia elata

Gastrodia elata pests are mainly grubs, jumping insects, mole crickets, scale insects, termites and so on.

① Grub, mole cricket: every 100 square meters with 90% trichlorfon crystal or 50% phoxim 0.15 kg diluted with a small amount of water, mixed with fine soil 10~15 kg made of toxic soil spread.

② Springbolls: springbolls are small in size and white in color. Higher humidity is conducive to their occurrence. They are most active at 20℃~25℃ and can reproduce 6~7 generations a year. Main bite edible fungus stick corium inside fungus film, also feed gastrodia elata stem piece, make gastrodia elata tuber appears bad hole. At the peak of occurrence, 800~1000 times of dichlorvos solution or 0.1% of rotenine solution can be sprayed or watered, or 4 tablets of aluminum phosphide can be used per square meter.

3 termites: termites in addition to harmful fungi, but also eat gastrodia elata protocorms and tubers, in the peak period of harm can be used to kill ant powder poison.

④ Scale insects: mainly mealybugs harm Tianma tubers. Generally, trees such as fungi and new materials are brought into the cave, and the growth of Gastrodia elata is weakened after damage, and the quality is reduced. In case of harm, Tianma should be dug up in time, all processed into commercial hemp for sale, it is strictly prohibited to keep seeds, and the bacteria materials of this point should be burned to prevent spread.