The ground tiger is a general term for a variety of tigers. The aliases include tussah silkworms, silkworms, cutworms, and cutworms. Currently, serious damages occur in crops in Xiangyun County: small ground tigers and earth tigers, tigers in the ground, and policemen. Tigers, etc., belong to Lepidoptera and Noctuidae, and they are the heaviest for small tigers. This type of pest is a polyphagous pest that can harm sorghum, sweet potato, sunflower, tobacco, beans, hemp, millet, wheat, melons, and vegetables, in addition to harming corn. The light causes the lack of seedlings and ridges, and the severe ones need to be re-destroyed.
According to the climatic conditions of our county and the law of the occurrence of ground tigers, the 2011 tigers were mild and moderate. In the Xiangyun County Plant Protection Station, the insect report lamp on May 2-10 was used to seduce 108 adults (moths), 108 tigers, 8 tigers, and 3 tigers. The single-light trapping of adult tigers (moths) is a peak period of 25-30 pests every 2 days. It should be combined with practical and effective prevention and control to avoid losses.
Suggested control methods:
The prevention and control of small tigers should be based on the time of the disease and suit local conditions. Take comprehensive prevention and control measures that combine agricultural control and chemical control.
(a) agricultural control (1) weeding and pest control. Weeds are places where ground tigers spawn and they are also bridges for larvae to transfer to crops. Therefore, intensive cultivation before spring plowing or eradication of weeds during the early stage of larvae can eliminate some of the insects and eggs.
(2) Trapping adult worms. Insects are killed by adulterants with sugar, vinegar, wine traps, or fermented liquids such as sweet potatoes and carrots.
(3) Entrapment of larvae. The larvae are trapped with paulownia leaves or lettuce leaves and caught in the field in the early morning of the morning. The old larvae can also be inspected in the field in the early morning. If any broken seedlings are found, plow the nearby clods to kill.
(II) Chemical Control Different larvae of different ages should adopt different methods of application. Before the third instar larvae were sprayed, dusted or soiled to prevent and control. After the third instar, the seedlings appeared broken in the field, and they could be killed by poison baits or poisonous grasses.
(1) Seed treatment: The crops to be sown must be mixed with insecticides. For example, maize can be used as a corn seed dressing agent, or phoxim + imidacloprid can be used to kill various underground pests.
(2) Poison bait: stir-fried wheat bran and cabbage leaves, mixed with 30 times the liquid 90% trichlorfon as a bait in the evening around the seedlings were killed. Or use chopped fresh grass 15-25 kg mixed with 90% trichlorfon 150 grams, put a heap in the field one meter apart.
(3) Insecticide spraying: In the evening when it is cool, use 2.5% kung fu baby 1000 times liquid and 5% Sitabao 1500-2000 times liquid to spray on the soil around the crop.
According to the climatic conditions of our county and the law of the occurrence of ground tigers, the 2011 tigers were mild and moderate. In the Xiangyun County Plant Protection Station, the insect report lamp on May 2-10 was used to seduce 108 adults (moths), 108 tigers, 8 tigers, and 3 tigers. The single-light trapping of adult tigers (moths) is a peak period of 25-30 pests every 2 days. It should be combined with practical and effective prevention and control to avoid losses.
Suggested control methods:
The prevention and control of small tigers should be based on the time of the disease and suit local conditions. Take comprehensive prevention and control measures that combine agricultural control and chemical control.
(a) agricultural control (1) weeding and pest control. Weeds are places where ground tigers spawn and they are also bridges for larvae to transfer to crops. Therefore, intensive cultivation before spring plowing or eradication of weeds during the early stage of larvae can eliminate some of the insects and eggs.
(2) Trapping adult worms. Insects are killed by adulterants with sugar, vinegar, wine traps, or fermented liquids such as sweet potatoes and carrots.
(3) Entrapment of larvae. The larvae are trapped with paulownia leaves or lettuce leaves and caught in the field in the early morning of the morning. The old larvae can also be inspected in the field in the early morning. If any broken seedlings are found, plow the nearby clods to kill.
(II) Chemical Control Different larvae of different ages should adopt different methods of application. Before the third instar larvae were sprayed, dusted or soiled to prevent and control. After the third instar, the seedlings appeared broken in the field, and they could be killed by poison baits or poisonous grasses.
(1) Seed treatment: The crops to be sown must be mixed with insecticides. For example, maize can be used as a corn seed dressing agent, or phoxim + imidacloprid can be used to kill various underground pests.
(2) Poison bait: stir-fried wheat bran and cabbage leaves, mixed with 30 times the liquid 90% trichlorfon as a bait in the evening around the seedlings were killed. Or use chopped fresh grass 15-25 kg mixed with 90% trichlorfon 150 grams, put a heap in the field one meter apart.
(3) Insecticide spraying: In the evening when it is cool, use 2.5% kung fu baby 1000 times liquid and 5% Sitabao 1500-2000 times liquid to spray on the soil around the crop.
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