Choosing pesticides to control gastrodia pests, here are some tips for governance: Komatsu Filter,Komatsu Fuel Filter,Komatsu Excavator Filter,Komatsu Genuine Filter JINING SHANTE SONGZHENG CONSTRUCTION MACHINERY CO.LTD , https://www.sdkomatsuloaderparts.com
1 蛴螬, è¼è›„: every 100 square meters with 90% trichlorfon crystals or 50% phoxim 0.15 kg with a small amount of water diluted, mixed with fine soil 10~15 kg to make toxic soil.
2 hoppers: The worms are small in shape and white in color. The higher humidity is beneficial to their occurrence. It is most active at 20 °C ~ 25 °C, and can be propagated 6 to 7 generations a year. The membrane of the main biting bacteria bark also feeds the gastrodia stems, causing bad holes in the gastrodia tubers. In the peak period, 800~1000 times of dichlorvos solution or 0.1% of squid solution can be sprayed or watered, or 4 pieces of aluminum phosphide per square meter can be smoked.
3 Termites: In addition to the harmful bacteria, termites also feed on the original bulbs and tubers of the gastrodia elata, and can be killed by the ant-killing powder during the period of pests and diseases .
4 scale insects: mainly whitefly damage the gastrodia tubers. Generally, it is brought into the hole by trees such as fungi and new materials. After the damage, the growth of gastrodia is weakened and the quality is lowered. If a hazard occurs, the gastrodia elata should be dug in time, all processed into commercial hemp for sale, and it is strictly forbidden to keep the seed, and the mushroom is burned to prevent spread.