1. Deep ploughing in winter: In the winter, the soil is deeply cultivated by 35 cm, and with the cultivation of worms, the ploughing can destroy the survival of the pests and the wintering environment, and reduce the density of the next year.
2, manure treatment: unfertilized farmyard manure is a good place for underground pests to lay eggs. Therefore, cultivated medicinal plants should be applied to fully decomposed farmyard manure. At the time of application, 5% of carbaryl 500 g per acre was used for the harmless treatment of the medicament, and the effect was good.
3, clean up the pastoral: weeds are the main place for underground pests to lay eggs and conceal, and also a bridge for the migration of larvae to the drug field. Therefore, after harvesting the head lice crops, timely weeding the weeds in the field can reduce the number of wintering larvae and pupa; at the same time, timely shovel the weeds in the field before the emergence of the crops or the larvae of the 1-2 larvae in the underground pests. Early food intake of larvae can also eliminate some larvae and eggs. Weeds are buried or transported out of the field, and fertilizer is used to eliminate spawning parasites.
4, pesticide dressing: with 3% carbofuran granules per acre with 1000 grams of seed dressing, can control cockroaches, cockroaches, yellow ants, ground tigers and golden worms and other underground pests.
5. Root filling: When the seedlings are pesty, if the seedlings are found and the larvae are found in the soil, 90% crystal trichlorfon 800 times solution, 50% diazinon emulsifiable concentrate 500 times solution, 2.5% enemy kill 6000 times solution, Quickly kill 400 times of butyl or 50% of phoxim emulsifiable concentrate 500 times, optionally fill one of the above liquids, fill once every 8-10 days, continuously 2-3 times, killing tigers and cockroaches And underground pests such as golden worms.
6. Spreading poisonous soil: 5% of butyl p-butyl phosphate per acre is 2.5-3 kg, can be applied by ditch and acupoints, and the efficacy period is up to 60-90 days; or 50% phoxim emulsifiable concentrate per acre is 500 g. Mix fine sand or fine soil 25-30 kg, spread the ditch next to the drug root and sprinkle it into the soil, and then cover the soil; or combine the shovel and cultivating the soil to control a variety of underground pests.
7. Irrigation and disinfestation: In areas with good water source conditions, after the occurrence of the ground tiger, timely irrigation, the pest control effect is good.
8. Manual catching: Every morning, the field will open the topsoil around the newly damaged medicine seedlings or the residual stems and leaves of the damaged stems, and catch the pests and concentrate them.
9. Inducing adult worms: The effective methods for trapping adult worms are usually: (1) using the phototaxis of scarabs, terrapins, and cockroaches, and placing some black light lamps to trap them during the adult germination period. (2) Mix 1000g of wheat bran (bean cake) with 100g of trichlorfon with warm water after adding saute, add 100g of brown sugar, suffocate for 3-5 minutes, make bait, divide bait into small in the evening. Distributed between the sloping lines of the transplanted medicine field, can trap the tigers, cockroaches and other adults, and collect the pests in the early morning. It can also be used with 100% of 20% methomyl emulsifiable concentrate, diluted with 1000g of water, sprayed in 100kg of fresh grass or chopped vegetables (about 16cm long), mixed into bait, stacked in the field in the evening, every A small pile of 30-40 cm in diameter and 15 cm in height is piled up at a certain distance, and 25 kg of poison bait is used to trap the tiger, or a fresh walnut branch of about 1 m is used to soak the 50-fold diluted omethoate solution, 10 After the hour, take it out and insert it into the field of the medicinal material in the evening, 25-40 per acre. The effect of trapping the chafer is good.
10, ground application: In the evening, use a 16-type agricultural sprayer, according to the standard of 2.5% of the enemy to kill 8 ml of water in a bucket of water, with 2000 times the solution, spray the ground. This pest control technology can be used to control various underground pest pests of various medicinal materials.
11. Plant application: When the seedlings of the medicinal plants have holes, nicks and other symptoms, use 90% trichlorfon 800-1000 times solution, 50% octyl sulfate emulsifiable oil 1000-1500 times solution, 50% diazine emulsifiable concentrate 1000- 1500 times liquid, 20% anti-feeding amine emulsion 500 times liquid, the above agents may be sprayed or alternately used. Adults are sprayed 2-3 times in the evening, and once every 7-10 days.
Excerpted from: 2006.2.17.11 "Fujian Science and Technology News"
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