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Method for simply and efficiently utilizing predatory mites to prevent and control strawberry tetranychus mites

A technology of strawberry spider mites and predatory mites, applied in botany equipment and methods, applications, gardening, etc., can solve the problems of difficult investigation of predatory mites and poor timing of prevention and control, so as to avoid the failure of timely detection and timely control of spider mites Risk, good control effect, high control effect

Inactive Publication Date: 2017-02-15
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a simple, efficient, and easy-to-use method for predatory mites to prevent and control strawberry spider mites. This method solves the problem that it is difficult for most growers to investigate predatory mites, and solves the problem that farmers cannot grasp the timing of prevention and treatment. No matter whether it is investigated or not, whether the investigation is accurate, the control effect is above 90%, and under the same dosage conditions, the control effect is better than using any kind of predatory mite alone

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019]Embodiment 1 Method 1 of Neoseius californica and Phytoseius Chilean joint control of strawberry spider mite

[0020] Prevent or control strawberry spider mites according to conventional methods before November. During the 5-month strawberry planting period from November of the current year to March of the next year, Neoseius california and Phytoseius californica were observed every month for 5 consecutive months, The frequency of release is 1 time / month; Neoseius california and Phytoseius californica are released in different packages, and the release time interval does not exceed 15 days.

[0021] Each time, the dosage of Neoseius mites in California is 150,000 heads / mu, and that of Chilean phytoseiids is 10,000 heads / mu. If the strawberry planting area is less than 1 mu, the predatory mites will be reduced in proportion.

Embodiment 2

[0022] Example 2 The method two of the joint application of Neoseius californica and Phytoseius chileensis

[0023] Prevent or control strawberry spider mite according to conventional methods before November. During the 5-month strawberry planting period from November of the current year to March of the next year, Neoseius californica will be released once a month for 5 consecutive months. From December to March In March of the following year, Phytoseius militaris will be released once a month for 4 consecutive months; Neoseius militaris and Phytoseiillus militaris will be released in separate packages, and the release time interval will not exceed 15 days.

[0024] The dosage of Neoseius mites in California each time is 200,000 heads / mu, and that of Phytoseiids Chilean is 6,000 heads / mu. If the planting area of ​​strawberries in each shed is greater than 1 mu, the predatory mites will increase according to the corresponding proportion.

Embodiment 3

[0025] Embodiment 3 The method of combined application of polyphagous predator mite and phytoseiid militaris

[0026] Prevent or control strawberry spider mites according to conventional methods before November. After the safe period of drug efficacy or the previous medication will not cause fatal damage to at least 50% of the polyphagous predatory mites or Phytoseiillus militaris. After November During the 5-month strawberry planting period in March of the next year, not only will the polyphagous predatory mites be released at least once a month for 4-5 consecutive months, but also the Phytophthora chinensis will be released at least once a month for 3-5 consecutive months. For mites, the time interval between the release of the two should not exceed 15 days before or after the release; this method can be used if there is no spider mites investigation before release or whether spider mites are found or whether the occurrence of spider mites can be distinguished from serious to...

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PUM

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Abstract

The invention relates to a method for simply and efficiently utilizing predatory mites to prevent and control strawberry tetranychus mites. The method for preventing and controlling strawberry tetranychus mites through combining polyphagous predatory mites and phyoseiulus persimilis is specifically characterized in that the polyphagous predatory mites and the phyoseiulus persimilis are released for continuous 3 months or 4 months during 4 months from December of the current year to March of the next year. The invention provides the method for utilizing polyphagous predatory mites and phyoseiulus persimilis continuously in each month for the first time; a characteristic that the hunting capacity of the polyphagous predatory mites is stronger than that of the phyoseiulus persimilis at a low temperature condition is effectively combined with high efficiency of preventing and controlling the tetranychus mites by the phyoseiulus persimilis, so that relatively good prevention and control effects are realized, and a condition that the strawberry tetranychus mites cannot be prevented and controlled through independently utilizing the polyphagous predatory mites or the phyoseiulus persimilis can be solved; and the method is also simple to operate, is easily accepted by farmers and can achieve the effect of efficiently preventing and controlling the strawberry tetranychus mites without the need of investigating conditions of the tetranychus mites in advance and mechanically and continuously utilizing the predatory mites.

Description

technical field [0001] The invention relates to a simple and efficient method for controlling strawberry spider mites by using predatory mites, and belongs to the field of biological control of modern agricultural pests. [0002] technical background [0003] Predatory mite is an important natural enemy to control strawberry spider mite. [0004] At present, the vast majority of strawberry planters in China are middle-aged and elderly people, and most of these people cannot see the occurrence of spider mites clearly or cannot accurately grasp the occurrence of spider mites, so they cannot accurately use suitable plants at the right time. Quantity and suitable species will prevent and control spider mites. It is particularly important to mention here that the existing control methods are all biased towards the right medicine. If it is not easy for planters to detect the occurrence of spider mites in time, it is easy to miss the control time, and even lead to abort. [0005] ...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01M99/00
CPCA01G13/00A01M99/00
Inventor 徐学农王伯明吕佳乐王恩东姜晓环董杰乔岩成玮武雯周长青王品舒王伟青
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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