The control methods of peanut pests are mainly chemical control, and different pests and occurrence periods are different in the prevention and treatment methods. The classification is as follows:
aphid
Aphids are the main pests that damage peanut leaves, causing the leaves to collapse and grow poorly. At the same time, mites can also spread a variety of viral diseases. Therefore, in the occurrence of aphids, 10% of imidacloprid WP 5,000 times solution, 35% of Sai Dan emulsifiable concentrate 2000 times solution, 5% of Regent suspoemulsion 1500 times solution, 3% of acetamiprid emulsifiable concentrate 2000 times Liquid and the like are controlled.
Red spider
The red spider's hazard period is from June to August, and it occurs in dry years. It can be controlled by spraying with 1.8% avermectin emulsifiable concentrate 3000 times solution, 15% daringol emulsifiable concentrate 1000-1500 times solution, 40% dicofol 1500-2000 times solution.
Helicoverpa armigera
The hazard period of cotton bollworm is from June to August, and it is heavier in dry years. In the occurrence period of cotton bollworm, 4.5% of beta-cypermethrin EC 1500-2000 times liquid, 25% chlorpyrifos EC 1500-2000 times liquid, and methomyl emulsifiable oil 800-1000 times liquid can be used for spray control, and the larvae of Noctuidae can also be treated. .
Spodoptera exigua
The insects of the beet armyworm, such as beet armyworm, Spodoptera litura, and Spodoptera litura, have gradually increased in recent years in our province.
In the control of beet armyworm, insect growth regulators and highly effective and low-toxic chemicals should be applied reasonably. Insect growth regulators have 5% flubendiamide (cain gram) emulsifiable concentrate, 5% of nucleus (vorem) emulsifiable concentrate, 5% of hexaflumuron emulsifiable concentrate, and 5% of worm-like emulsifiable concentrate. ~2000 times liquid in the field spray control, can achieve 90% control effect. The chemical agent can be sprayed with 10% of the 1500-2000 times solution of the suspension agent, 2,000-3000 times of the Kungfu, and 1500-2000 times of the 4.5% of the beta-cypermethrin emulsifiable concentrate. The above agents can also treat larvae of Spodoptera litura, Spodoptera litura and other Noctuidae.
According to the living habits of beet armyworm, the best period of chemical control should be the period of egg hatching and the germination period of 1-2 years old larvae. The application time should be morning and evening, and the front and back of peanut leaves should be uniform. Since beet armyworm is susceptible to organophosphate and pyrethroid insecticides, it is preferred that the pesticide be administered as a compound or alternately.
Underground pest
The underground pests mainly have cockroaches, followed by cockroaches and golden worms. Underground pests are the main pests that affect peanut germination, fruit set, pod formation, yield and quality, and can be harmed throughout the growth period.
To control peanut underground pests, we must master the prevention and control period, and combine the prevention and control of sowing period with the prevention and control of growth period, and combine the prevention and control of adult stage with the prevention and control of larval stage. The main control object of underground pests is cockroaches, which can be controlled by the following methods:
First, larval stage prevention
(1) Chemical liquid watering method. Each mu can use 40% phoxim emulsifiable concentrate 0.25-0.3 kg, 40% lesbian emulsifiable oil 0.25-0.3 kg, and 300-500 kg of water can be rooted, and other underground pests can be treated.
(2) The law of poisoning soil. 40% of the cost of 0.25 to 0.3 kg of espresso emulsifiable concentrate, 0.25 to 0.4 kg of 40% phoxim emulsifiable concentrate, 20 to 30 kg of mixed soil, or 5% of butylphosphoric granules per acre 1.5 to 2 Kilograms, 10% of chlorpyrifos granules 1.5 to 2 kg, evenly spread around the peanut pier, the effect of watering once after cultivating is better.
Second, adult prevention
(1) Using fresh branches to trap adults. In the period of emergence and emergence of adults, take 3 to 5 bundles of 60 cm long fresh eucalyptus, poplar and willow, and immerse them in 75% octyl sulphur emulsion 50 times or 45% octyl emulsifiable concentrate 50 times. In the liquid for 5 to 6 hours, insert it in the field in the evening, and insert 10 to 15 per acre to trap the adult.
(2) Using plants to kill adult insects. Planting ramie in peanut fields can trap adult worms. The use of adult larvae to eat ramie leaves (love plants) caused by paralysis, poisoning death and other effects to prevent and cure. 20 to 30 strains of ramie per mu. If it is summer peanuts, ramie can be planted first, and it is more suitable to grow 2-3 leaves of ramie from the initial stage of adult to the priming stage, so that the control effect is better.
(3) Spraying to control adults. During the prosperous period of adult worms, 40% phoxim emulsifiable concentrate 1000-2000 times liquid and 4.5% beta-cypermethrin emulsifiable oil 2000-3000 times liquid were sprayed on the trees around the peanut field.
(4) Artificially catching adults. Every night, a flashlight is used to manually capture adult insects on trees such as poplars, eucalyptus, willows, and hedgehogs near peanut fields. Feeding the captured adult birds to the poultry or centralizing them can reduce the source of the insects and ensure that the leaves of the trees are not harmed.
aphid
Aphids are the main pests that damage peanut leaves, causing the leaves to collapse and grow poorly. At the same time, mites can also spread a variety of viral diseases. Therefore, in the occurrence of aphids, 10% of imidacloprid WP 5,000 times solution, 35% of Sai Dan emulsifiable concentrate 2000 times solution, 5% of Regent suspoemulsion 1500 times solution, 3% of acetamiprid emulsifiable concentrate 2000 times Liquid and the like are controlled.
Red spider
The red spider's hazard period is from June to August, and it occurs in dry years. It can be controlled by spraying with 1.8% avermectin emulsifiable concentrate 3000 times solution, 15% daringol emulsifiable concentrate 1000-1500 times solution, 40% dicofol 1500-2000 times solution.
Helicoverpa armigera
The hazard period of cotton bollworm is from June to August, and it is heavier in dry years. In the occurrence period of cotton bollworm, 4.5% of beta-cypermethrin EC 1500-2000 times liquid, 25% chlorpyrifos EC 1500-2000 times liquid, and methomyl emulsifiable oil 800-1000 times liquid can be used for spray control, and the larvae of Noctuidae can also be treated. .
Spodoptera exigua
The insects of the beet armyworm, such as beet armyworm, Spodoptera litura, and Spodoptera litura, have gradually increased in recent years in our province.
In the control of beet armyworm, insect growth regulators and highly effective and low-toxic chemicals should be applied reasonably. Insect growth regulators have 5% flubendiamide (cain gram) emulsifiable concentrate, 5% of nucleus (vorem) emulsifiable concentrate, 5% of hexaflumuron emulsifiable concentrate, and 5% of worm-like emulsifiable concentrate. ~2000 times liquid in the field spray control, can achieve 90% control effect. The chemical agent can be sprayed with 10% of the 1500-2000 times solution of the suspension agent, 2,000-3000 times of the Kungfu, and 1500-2000 times of the 4.5% of the beta-cypermethrin emulsifiable concentrate. The above agents can also treat larvae of Spodoptera litura, Spodoptera litura and other Noctuidae.
According to the living habits of beet armyworm, the best period of chemical control should be the period of egg hatching and the germination period of 1-2 years old larvae. The application time should be morning and evening, and the front and back of peanut leaves should be uniform. Since beet armyworm is susceptible to organophosphate and pyrethroid insecticides, it is preferred that the pesticide be administered as a compound or alternately.
Underground pest
The underground pests mainly have cockroaches, followed by cockroaches and golden worms. Underground pests are the main pests that affect peanut germination, fruit set, pod formation, yield and quality, and can be harmed throughout the growth period.
To control peanut underground pests, we must master the prevention and control period, and combine the prevention and control of sowing period with the prevention and control of growth period, and combine the prevention and control of adult stage with the prevention and control of larval stage. The main control object of underground pests is cockroaches, which can be controlled by the following methods:
First, larval stage prevention
(1) Chemical liquid watering method. Each mu can use 40% phoxim emulsifiable concentrate 0.25-0.3 kg, 40% lesbian emulsifiable oil 0.25-0.3 kg, and 300-500 kg of water can be rooted, and other underground pests can be treated.
(2) The law of poisoning soil. 40% of the cost of 0.25 to 0.3 kg of espresso emulsifiable concentrate, 0.25 to 0.4 kg of 40% phoxim emulsifiable concentrate, 20 to 30 kg of mixed soil, or 5% of butylphosphoric granules per acre 1.5 to 2 Kilograms, 10% of chlorpyrifos granules 1.5 to 2 kg, evenly spread around the peanut pier, the effect of watering once after cultivating is better.
Second, adult prevention
(1) Using fresh branches to trap adults. In the period of emergence and emergence of adults, take 3 to 5 bundles of 60 cm long fresh eucalyptus, poplar and willow, and immerse them in 75% octyl sulphur emulsion 50 times or 45% octyl emulsifiable concentrate 50 times. In the liquid for 5 to 6 hours, insert it in the field in the evening, and insert 10 to 15 per acre to trap the adult.
(2) Using plants to kill adult insects. Planting ramie in peanut fields can trap adult worms. The use of adult larvae to eat ramie leaves (love plants) caused by paralysis, poisoning death and other effects to prevent and cure. 20 to 30 strains of ramie per mu. If it is summer peanuts, ramie can be planted first, and it is more suitable to grow 2-3 leaves of ramie from the initial stage of adult to the priming stage, so that the control effect is better.
(3) Spraying to control adults. During the prosperous period of adult worms, 40% phoxim emulsifiable concentrate 1000-2000 times liquid and 4.5% beta-cypermethrin emulsifiable oil 2000-3000 times liquid were sprayed on the trees around the peanut field.
(4) Artificially catching adults. Every night, a flashlight is used to manually capture adult insects on trees such as poplars, eucalyptus, willows, and hedgehogs near peanut fields. Feeding the captured adult birds to the poultry or centralizing them can reduce the source of the insects and ensure that the leaves of the trees are not harmed.
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