1. Apply 30 kg of 50% phoxim emulsifiable concentrate per acre to fine sand or fine soil 25~30 kg. Spread the shallow ditch in the shallow ditch next to the root, and then apply the soil by covering the soil or combining the shovel. It can prevent underground pests.
2. After harvesting the pasture head crops, timely remove the weeds in the field to reduce the spawning and concealing places of the pests. Before the emergence of the crop or during the larvae of the 1-2 years old larvae, the weeds in the field should be cleaned in time to reduce the larvae's early food intake. Weeds are buried or transported out of the field to eliminate the spawning host.
3. The seed dressing is mixed with phoxim emulsifiable concentrate 1000~1500 times, and the pile is stuffed for 3~4 hours. When the seed is 80% dry, it is sown. The effective period is 25-28 days, which can control underground pests such as cockroaches, cockroaches and golden worms.
4. The venom is rooted in a plot with high density of pests in the ground. The venom can be used to control pests. For example, beet, corn, peanut and other crops are affected by the tiger in the seedling stage. 40-methyl isoflavone 50-75 g can be used, 50-75 kg of water can be added, and the roots of the seedlings can be started at 4 pm, and the insecticidal rate reaches 90. More than %, treat both cockroaches and golden worms.
5, poisonous grass trapping fresh grass or vegetable chopped, with 100% phoxim emulsifiable concentrate 100 grams, add water 2 ~ 2.5 kg, sprayed on 100 kg of grass. In the evening, divide into small piles to place the fields and trap the tigers. Fresh poplar branches with a length of about 1 meter were soaked in 50 times of 40% omethoate, taken out after 10 hours, inserted into the spring-sown crops at night, 10-15 branches per acre, and the effect of trapping the scarabs was better.
6, the light traps the tiger, the chafer, the adult cockroach, has a strong tendency to black light, according to the actual situation in various places, in the adult boom period, set some black light to lure.
7, bait traps:
1 Use the sauteed wheat bran and bean cake to lure the cockroach. Generally, in the evening, there is no rainy day, pits are pitted in the field, poison baits are applied, and the next day, the next day, the insects are concentrated and treated.
2 Place the “sweet and vinegar wine mixture†plate (or pot) to trap the adult of the tiger. The production of "sweet and vinegar wine mixture": take 0.5 kg of sugar, 1 kg of vinegar, 0.1 kg of white wine, 7.5 kg of water, add 15-25 g of crystal trichlorfon, stir the above materials thoroughly and put them in the dish, in the evening When it was placed about 1 meter high in the field, the medicine tray was taken back the next morning, which could trap a large number of tigers.
3 Disperse 2.5 kg of fresh rapeseed cake, put the saute in the pot, put the fried rapeseed cake in the bucket, then pour the trichlorfon with warm water into the bucket, suffocate for 3-5 minutes. In the evening, the poison bait was divided into small parts and scattered in the field of transplanted cotton fields. The poisonous dead tiger worm body was seen early the next morning.
8. In areas where there are conditions for irrigation and pest control, the temperature and humidity of the soil can be changed after irrigation of the farmland before spring sowing, which is unfavorable for the survival of underground pests such as tigers and crickets, which can cause the mortality rate to be above 90%.
9, the ground application of medicinal enemy kills as a conventional pesticide new rule of law tiger. The practice is: use the knapsack sprayer after the evening work, use 2 barrels of water according to the acre, add 2.5% of the enemy's water to the tank to kill 8 ml, mix 2000 times of liquid medicine, stir evenly, spray on the floor. When all kinds of tiger larvae come out to be harmful to the seedlings, they are meeting with the drugs. The stomach poison, heavy smoke, and a few arrows are touched. The efficacy can be fully exerted. All the tiger larvae are poisoned and the effect is excellent.
10, artificial capture using the fake turtle's suspended animation to fight, to protect trees from harm, and reduce the occurrence of cockroaches in the soil. When the tigers are taken, the use of soil capture has a certain effect. The cockroach can also be manually captured to reduce the hazard.
More pesticide knowledge , please pay attention to China Pesticide Network
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