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

Inactive Publication Date: 2007-01-31
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 released collectively, the area of ​​the cornfield is relatively large and they are connected into pieces, the bees can be released according to the following steps: the tussah eggs parasitized by Trichogramma at two different developmental stages separated by 5-7 days are divided according to the ratio of 1:1. The ratio is mixed evenly, and then quantitatively packed into boxes with a Trichogramma packaging machine. When releasing, put two points per mu of land, and select the 10th ridge of the limelight on the plot at 60cm / ridge as the first bee release ridge, 5 meters away from the head of the field. Be the first bee release point, walk along the ridge every 20 meters is a bee release point, and then every 28 ridges will be a bee release ridge. It is sufficient to release Trichogramma once in the early stage of corn borer occurrence.

Embodiment 2

[0010] If several households or single households release bees, the cornfield area is small (less than 28 ridges), and the plots are scattered, you can follow the steps below to release bees: separate 5-7 days between two kinds of quilts in different developmental stages The tussah eggs parasitized by Trichogramma were mixed evenly in a ratio of 1:1, and then quantitatively packed into boxes with a Trichogramma packaging machine. One meter is the first bee release point, and every 20 meters along the ridge is a bee release point. It is sufficient to release Trichogramma 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 mu, you can release bees according to the following steps: The method of using a box-type bee-release device to release bees at one time to prevent and control corn borer is to separate two different developmental stages 5-7 days apart. The tussah eggs parasitized by Trichogramma were evenly mixed according to the ratio of 1:1, and then quantitatively packed into boxes with a Trichogramma packaging machine. At the beginning of the occurrence, it is enough to release the Trichogramma once.

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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 releasing bees once by using a box-type bee releasing device, and belongs to the technical field of biological control of plant protection. 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 pest control effect in the biological control of modern agricultural and forestry pests. At present, the use of Trichogramma still mainly uses the card-type submerged release method. In the process of card making, an old-fashioned modified mimeograph machine is used to apply non-toxic glue on a fixed range of cardboard, and then the tussah silkworms parasitized by Trichogramma Eggs are evenly spread on the top to make bee cards, each card is divided into 40 small pieces, 667m per mu 2 Calculated together, according to the periodicity and seasonality of the occurrence of pests,...

Claims

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Application Information

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IPC IPC(8): A01M99/00A01G13/00
Inventor 孙光芝阮长春张俊杰
Owner JILIN AGRICULTURAL UNIV
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