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Method for preventing and controlling European corn borer by single step of releasing trichogramma by utilizing box type releasing apparatus

A corn borer and bee organ technology, applied in the field of biological control of plant protection, can solve the problems of loss of host eggs, high transportation costs, poor control effect, etc., and achieve the effects of maintaining ecological balance, reducing transportation costs, and reducing losses.

Inactive Publication Date: 2011-08-10
JILIN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for controlling corn borer by using a box-type bee-releasing device once to release bees, so as to solve the problem of host egg loss, labor waste, poor control effect, and high transportation costs caused by the two-time bee-release and card-making process. problem; ensure good control effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] If the bees are put together in a large area and the corn field is connected into pieces, the following steps can be used to put the bees: Put the tussah silkworm eggs parasitized by Trichogramma 5-7 days apart at a ratio of 1:1 Mix the proportions evenly, and then use the Trichogramma packaging machine to quantitatively pack into a box, place two points per acre when releasing, choose the top of the plot and press the 10th ridge of 60cm / ridge as the first bee ridge, 5 meters away from the head of the field For the first bee placement point, every 20 meters along the ridge will be a bee placement point, and then every 28 ridges will be a bee placement ridge. Trichogramma can be released once in the early stage of corn borer occurrence.

Embodiment 2

[0010] If several households or single households put bees, the corn plot area is small (below 28 ridges), and the plots are scattered, you can follow the steps below to put bees: Put bees at two different developmental periods 5-7 days apart. The tussah silkworm eggs parasitized by Trichogramma are mixed evenly according to the ratio of 1:1, and then quantitatively packed into boxes with a Trichogramma packaging machine, and placed at two points per acre when released. The middle ridge of the plot is selected as the bee ridge, 5 from the top of the field. Rice is the first bee release point, and every 20 meters along the ridge is a bee release point. Trichogramma can be released once in the early stage of corn borer occurrence.

Embodiment 3

[0012] If there is only a small piece of land with an area of ​​about 1 acre, you can follow the steps below to release bees: Use the box-type bee release device to release bees at one time to control corn borer. Two different development periods separated by 5-7 days The tussah silkworm eggs parasitized by Trichogramma were mixed evenly at a ratio of 1:1, and then quantitatively packed into boxes with a Trichogramma packaging machine. When released, put two points per mu of land and distribute them evenly in the middle of the ground. Trichogramma can be released once at the beginning of the occurrence.

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PUM

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Abstract

A method for preventing and eliminating corn borer by using trichogramma releasing box includes such steps as proportionally mixing two kinds of tussah ova containing the parasitic trichogramma and with different developing time, quantitatively packing in boxes, and orderly arranging them in corn field.

Description

Technical field: [0001] The invention relates to a method for controlling corn borer by using a box-type bee release device to release bees at one time, and belongs to the technical field of plant protection biological control. Background technique: [0002] Trichogramma is an important natural enemy with the longest research history, the widest application range, the largest control area, and the best insect control effect in the biological control of modern agricultural and forestry pests. At present, the use of Trichogramma is still mainly used for card-type submerged release. In the process of making cards, an old-fashioned modified mimeograph machine is used to apply non-toxic glue to a fixed range of cardboard, and then the tussah parasitized by the Trichogramma Spread the eggs evenly on top to make bee cards. Each cardboard is divided into 40 pieces, 667m per mu 2 One piece calculation, according to the periodicity and seasonality of the pests, generally put Trichogramma t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01M99/00A01G13/00
Inventor 孙光芝阮长春张俊杰
Owner JILIN AGRICULTURAL UNIV
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