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A kind of method for preventing and controlling citrus pest mites

A technology of citrus and pyraclofen, which is applied in botany equipment and methods, acaricides, animal repellents, etc., can solve the problems of decreased drug efficacy, accelerated spider mite resistance, and short life cycle, and achieves a reduction in mu Dosage, reduce pesticide residues, prolong the effect of duration

Inactive Publication Date: 2017-10-27
广西农垦立新农场有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its strong reproductive ability, short life cycle, and frequent outbreaks all year round, long-term use of a single drug will accelerate the resistance of red spiders and significantly reduce the efficacy

Method used

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  • A kind of method for preventing and controlling citrus pest mites
  • A kind of method for preventing and controlling citrus pest mites
  • A kind of method for preventing and controlling citrus pest mites

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1: Toxicity determination of abamectin, pyraclofen and flufenuron and different ratios to Panonychus citrus

[0009] The test method refers to the "People's Republic of China Agricultural Industry Standard NY / T1154.12-2006". The female adults of Panonychus citrus collected from the field were reared indoors for 30 generations, and the female adults with uniform growth were selected as the test insects. Adopt the small seedling method, that is, inoculate 50-60 heads of all claw mites on small pots of citrus seedlings, check the base number one day later, pick out dead mites, and add live adult mites, and keep the number of mites for each treatment at about 50. Spray the seedlings with mites using a spray tower, move them to culture at 25°C and 90% relative humidity, check after 15 days, record the number of survivors, use DPS data processing software for statistical analysis, calculate the regression curve, and calculate the LC 50 , using the co-toxicity coeffic...

Embodiment 2

[0019] Example 2 Preparation method of 15% abamectin, pyraclofen, and flubenzuron suspension concentrate and field test of medicament

[0020] Weigh 2% abamectin, 8% pyraclofen, 5% flubenzuron, 4% alkylphenol formaldehyde resin polyoxyethylene ether (dispersant), 3% alkylphenol polyoxyethylene ether phosphate ( Wetting agent), 1.5% polyvinyl alcohol (thickener), 0.3% silicone defoamer, deionized water added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sand-milled with a sand mill to prepare a 15% abamectin·pyrafenoxate-flubenzuron suspension concentrate.

[0021] The field efficacy test of the prepared 15% Abamectin · Fenfluben · Flubenzuron suspension concentrate on the control of citrus spider mites was conducted to verify the control effect, effective dosage and safety of the agent on citrus spider mites. , The test site is Guangyuan, Sichuan, and the control object is citrus spider mite. The conventional method is used...

Embodiment 3

[0029] Example 3 Preparation method and field test of 12% abamectin, pyraclofen, and flubenzuron microemulsion

[0030] Weigh 1.0% abamectin, 6.0% pyraclofen, 5.0% flubenzuron, 4% octylphenol polyoxyethylene ether (emulsifier), 5% alkylphenol formaldehyde resin polyoxyethylene ether (dispersant) , 5% calcium dodecylbenzenesulfonate (emulsifier), 15% cyclohexanone (solvent), 5% N-methylpyrrolidone (solvent), 5% n-butanol (emulsifier), 1% epoxy Chloropropane (stabilizer) is completely dissolved and mixed evenly, and deionized water is added to 100% by weight, and after stirring, a 12% abamectin-pyramid-flubenzuron microemulsion is obtained.

[0031] The field efficacy test of the prepared 12% abamectin·pyrafenoxate·flubenzuron microemulsion against citrus spider mites was verified to verify the control effect, effective dose and safety of the agent on citrus spider mites. , the test object is Panonychus citrus, and during the test, Panonychus citrus has more adult mites, and th...

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Abstract

The invention relates to a method for preventing and treating citrus harmful mites. The method comprises the following steps: mixing pesticide preparations which comprise active components including abamectin, fenpyroximate and flufenoxuron and blending with water; uniformly spraying the mixture on citrus leaves until the leaves are wet, wherein the weight ratio of the three active components including the abamectin, the fenpyroximate and the flufenoxuron is (1-2) to (6-9) to (5-9). The acting mechanisms of the abamectin, the fenpyroximate and the flufenoxuron are different, and are reasonably blended to have an obvious synergistic interaction effect; the pesticide effect can be greatly improved and the use amount of pesticides per mu is reduced, so that bad influences on the environment and pesticide residues are reduced, and the lasting time of the pesticide effect is prolonged; meanwhile, a defect that a single drug cannot cover each growth period of red spiders is solved.

Description

technical field [0001] The invention relates to a method for controlling citrus pest mites. Background technique [0002] In recent years, with the continuous increase of the market price of citrus, the planting area of ​​citrus has also been expanding, so frequent drug use and increasing dosage are becoming more and more common. At present, the main pests that harm citrus are red spiders. Citrus red spiders are also known as panonychus citrus. Adults, nymphs, and young mites gather on leaves, twigs, and peels to absorb juice. The damaged leaves show many small gray spots, which are serious Sometimes the whole leaves are off-white, resulting in a large number of fallen leaves and dead shoots, affecting tree vigor and yield. When the fruit is harmed, the surface of the fruit is covered with off-white chlorotic spots, and the whole fruit is pale, which affects the yield. Due to its strong reproductive ability, short life cycle, and frequent outbreaks all year round, long-ter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/34A01P7/02A01N43/56A01N43/90
CPCA01N25/04A01N43/56A01N43/90A01N47/34
Inventor 唐仙寿文灵清何世忠池冬莉李韦霖
Owner 广西农垦立新农场有限公司
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