This insect is referred to as "Peach" for short. The larvae eat fruits such as peaches, pears, apples, jujubes, and hawthorn. The fruit of the victim is deformed, and the fruit is filled with insect feces, commonly known as hericium and red bean paste. Due to the widespread occurrence of this insect, there are many kinds of hazards, and the damage degree of fruit trees is heavy. Therefore, it is one of the important pests of fruit trees.
[Regularity]: 1-2 generations a year. The overwintering larvae began to excavate at the end of April and early May. After the rain, most of the larvae were unearthed. During the period from mid-May to early June, the entire burial period was unearthed. The entire unearthed larvae had to last for more than one month. Fever period 9-15 days. In late May, the adult began to emerge, and lay eggs 2-3 days after emergence, with the period of June to mid-June and the period of egg to 6-7 days. After the larvae have broken fruit, the fruit is harmed for about 20 days, and the old mature fruit is removed from the end of June. In the middle and early July, it is the period of fruit loss. Some of them were incorporated into the soil and were ploughed down to the second generation. The other part was overwintering. The first generation of adult worms began to occur in early July, with a period of from late July to early August. In early August, larvae began to decontaminate and continued through early October. The peak period was from late August to early September. After the fruit is removed, it is added to the soil and wintered.
[Prevention and control methods]: The prevention and control of peach borerworms shall adopt the integrated prevention and control principles of underground control and tree control, chemical control and artificial control. The prevention and control of insect pests is the key to improving the good fruit rate.
(1) Underground control: During winterization of overwintering larvae, spray 25% parathion microcapsules or 25% phoxim microcapsules on the soil surface, 250 grams per acre, watering 25-50 kg, and then uniformly Spray on the ground. Before the spraying, the ground weeds should be removed. After spraying, the ground soil should be ploughed again to prolong the efficacy. The second treatment should be performed in the same way 20 days later. In addition, the use of 2.5% enemy killing or 20% off the diced EC, mu 0.3-0.5 kg, spraying the ground has a good effect, but the short-lived period.
(2) Prevention and control on the tree: It should be controlled at the rate of 1% of egg fruit or spray control at the initial stage of egg hatching. The medicine can be used to kill 50% of yam pine emulsion 1000 times, or 2.5% to kill 2000-3000 times of liquid, or 20 Permethrin Emulsion 2000-3000 times, or 2.5% Uranus Emulsion 2000 times.
(3) Manual control: Conditional orchards can protect the fruit before adult eggs. During the damage period of larvae, the larvae periodically remove the larvae and pick up the nets to reduce the pests in the fields.
(4) Use sexual attraction to catch male adults and combine insect information.
[Regularity]: 1-2 generations a year. The overwintering larvae began to excavate at the end of April and early May. After the rain, most of the larvae were unearthed. During the period from mid-May to early June, the entire burial period was unearthed. The entire unearthed larvae had to last for more than one month. Fever period 9-15 days. In late May, the adult began to emerge, and lay eggs 2-3 days after emergence, with the period of June to mid-June and the period of egg to 6-7 days. After the larvae have broken fruit, the fruit is harmed for about 20 days, and the old mature fruit is removed from the end of June. In the middle and early July, it is the period of fruit loss. Some of them were incorporated into the soil and were ploughed down to the second generation. The other part was overwintering. The first generation of adult worms began to occur in early July, with a period of from late July to early August. In early August, larvae began to decontaminate and continued through early October. The peak period was from late August to early September. After the fruit is removed, it is added to the soil and wintered.
[Prevention and control methods]: The prevention and control of peach borerworms shall adopt the integrated prevention and control principles of underground control and tree control, chemical control and artificial control. The prevention and control of insect pests is the key to improving the good fruit rate.
(1) Underground control: During winterization of overwintering larvae, spray 25% parathion microcapsules or 25% phoxim microcapsules on the soil surface, 250 grams per acre, watering 25-50 kg, and then uniformly Spray on the ground. Before the spraying, the ground weeds should be removed. After spraying, the ground soil should be ploughed again to prolong the efficacy. The second treatment should be performed in the same way 20 days later. In addition, the use of 2.5% enemy killing or 20% off the diced EC, mu 0.3-0.5 kg, spraying the ground has a good effect, but the short-lived period.
(2) Prevention and control on the tree: It should be controlled at the rate of 1% of egg fruit or spray control at the initial stage of egg hatching. The medicine can be used to kill 50% of yam pine emulsion 1000 times, or 2.5% to kill 2000-3000 times of liquid, or 20 Permethrin Emulsion 2000-3000 times, or 2.5% Uranus Emulsion 2000 times.
(3) Manual control: Conditional orchards can protect the fruit before adult eggs. During the damage period of larvae, the larvae periodically remove the larvae and pick up the nets to reduce the pests in the fields.
(4) Use sexual attraction to catch male adults and combine insect information.
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