Gastrodia pests mainly include cockroaches, collembola, cockroaches, scale insects, and termites.
1 蛴螬, è¼è›„ è¼è›„ æ¯ æ¯: every 100 square meters with 90% trichlorfon crystals or 50% phoxim 0.15 kg plus a small amount of water, mix fine soil 10 to 15 kilograms made poisonous soil.
2 Collembola: Small body size, white color, and high humidity are beneficial to its occurrence. It is most active at 20°C to 25°C and can reproduce for 6-7 generations a year. The main bacillus in the cortical layer of the rod, and also the stem of the gastrodia, which caused a bad hole in the tuber. During the peak period, 800-1000 times of dichlorvos solution or 0.1% solution of rattan extract can be sprayed or poured, or 4 pieces of aluminum phosphide can be smoked and killed per square meter.
3 termites: termites in addition to endanger the bacterial material, but also foraging raw gastrodia tuber and tubers, can be used to kill ant powder in the damage period.
4 scale insects: mainly whitefly damage gastrodia tubers. In general, it is brought into the cave by trees such as fungus materials and new materials. After the damage, the growth of Tianma weakens and the quality of the plants decreases. In the event of a hazard, this hole should be timely excavated in Tianma, all processed into a commodity hemp for sale, and it is strictly forbidden to leave seed, and this point is burned to prevent propagation.
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