Prevention and control method for adult onion flies

A technology for onion flies and adults, which is applied in the field of efficient adult control of onion flies, can solve problems such as the increase in the number of eggs laid by the onion flies, and achieve the effects of reducing the amount of pesticide application, improving the control effect, and improving the control effect.

Active Publication Date: 2021-01-08
济宁市农业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] After searching, there is no report in the prior art to solve the technical problem of the increase in egg production of onion flies caused by the above-mentioned artificial rupture of membranes
[0011] After searching, there is no patent report on the method of controlling onion fly adults with new control technologies such as trapping and killing adults with sticky insect boards, dragging and breaking membranes to prevent adults from laying eggs, and infecting garlic maggots with entomopathogenic lines

Method used

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  • Prevention and control method for adult onion flies
  • Prevention and control method for adult onion flies
  • Prevention and control method for adult onion flies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] experiment method

[0062] To monitor the population dynamics of onion flies and determine the peak period of control, the steps are as follows:

[0063] at 667m 2 Hang 15 blue boards in the middle of the garlic field. When hanging, the lower edge of the blue boards is 10-15 cm away from the garlic seedlings. The number of onion flies is investigated and recorded every 7 days, and the blue boards are replaced at the same time. See the experimental results figure 1 and figure 2 .

[0064] Population dynamics of Onion fly in garlic field: from figure 1 It can be seen that the population dynamics of onion flies in autumn sowing garlic fields mainly appear in winter and spring peaks. In 2018 and 2019, the winter peaks of the population of onion flies in garlic fields sown in the autumn of 2019 occurred on November 26 and December 9, respectively. As the temperature dropped, the number of onion flies decreased sharply. In the first ten days of March of the following y...

Embodiment 2

[0066] Select a suitable sticky board based on the effect of the sticky board to trap and kill onion flies. The specific steps are as follows:

[0067] In order to prove the trapping and killing effect of yellow board and blue board on garlic field fly, at 667m 2 Fifteen sticky insect boards of two kinds were hung at equal distances in the garlic field, and the number of onion flies was investigated and recorded every 7 days, and the sticky insect boards were replaced at the same time. See the result of use image 3 .

[0068] Depend on figure 2 It can be seen that in the whole growth cycle of garlic, the four peaks of the number of onion flies trapped and killed by blue plates are 280.50, 233.00, 145, 145.25, respectively, and the four peaks of the number of flies trapped by yellow plates are 65.00, 33.25, 26.50, 20.25, respectively. The number dynamics of the number of onion flies trapped and killed by the board is basically the same as that of the yellow board, but the ...

Embodiment 3

[0070] Onion Fly Oviposition Barrier

[0071] When the film-covered garlic is 1.5-2cm unearthed, three treatments are set up. Treatment 1: use dragging and friction to rupture the membrane, that is, use a soft cotton material to rub the plastic film to help the seedling rupture, and drag once in the morning and evening for two consecutive days. ;Treatment 2: Pat the mulch with a big broom, use the gaps on the broom to help the seedlings to emerge from the film, pat once in the morning and evening, for two consecutive days; Treatment 3: Manually use sharp objects such as branches and wires to open holes in the film , so that the garlic sprouts are exposed. Each treatment was repeated 4 times, arranged in random blocks, and the area of ​​each plot was 20m 2 . The 10-point sampling method was adopted, and 10 plants were surveyed at each point, and the survey was conducted every 7 days, and the number of all larvae in the roots of each plant was recorded for each survey. See th...

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Abstract

The invention belongs to the technical field of pest control in garlic cultivation, and particularly relates to a prevention and control method for adult onion flies. The prevention and control methodcomprises the following steps: (1) research on dynamic change rules of onion fly populations is carried out, occurrence dynamic of the onion flies is mastered, and the peak periods of occurrence of the onion flies is determined; (2) after garlic seedlings emerge, a mulching film is broken by dragging or beating; (3) a blue insect sticking plate is used for insect sticking treatment in any growthprocess of garlic; and (4) 50% clothianidin WG and 2% high-chlorine emamectin benzoate EC are adopted for joint prevenion and control. According to the method, by carrying out dynamic monitoring on the onion fly population, the concentrated onion fly spraying time is defined, prevention and control of larvae are changed into prevention and control of adults, and the effective control of the onionfly adults is realized by adopting prevention and control means of trapping and killing the adults by sticky traps, dragging broken films to prevent oviposition of the adults and using chemical agents.

Description

technical field [0001] The invention belongs to the technical field of pest control in garlic cultivation, and in particular relates to an efficient control method for onion fly adults. Background technique [0002] The onion fly Delia antiqua (Meigen), referred to as "onion fly", belongs to Diptera, Anthomyiidae, and belongs to the genus Delia. Onion flies have a strong odor tendency (Liu Guofen, 2007), mildew, knife wounds, onion and garlic odors emitted during mother rot and bolting stages can all attract onion flies to lay eggs. Onion fly larvae, commonly known as "garlic maggots", are very harmful to garlic bulbs. The occurrence of garlic maggots is closely related to the growth period, cultivation measures and planting environment of garlic. Garlic maggots have the habit of avoiding light. When they are harmful, they often drill through the epidermis and eat garlic bulbs, causing holes in the bulbs, incomplete, and emitting a foul smell. Some fields have experienced ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/35A01G13/00A01M1/04A01M1/16
CPCA01G22/35A01G13/00A01M1/04A01M1/16Y02A50/30
Inventor 王付彬
Owner 济宁市农业科学研究院
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