Milbemycins tree trunk injection liquid and application thereof

A technology of milbemycin and dry liquid injection, which is applied in the field of pesticides, can solve the problems of inconvenient use and expensive equipment, and achieve the effect of high activity, long-lasting effect and good stability

Inactive Publication Date: 2011-10-19
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is inconvenient to use, expensive equipment, etc.

Method used

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  • Milbemycins tree trunk injection liquid and application thereof
  • Milbemycins tree trunk injection liquid and application thereof
  • Milbemycins tree trunk injection liquid and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A pine wood nematode injection dry prevention and control agent, which consists of:

[0028]

[0029] ①Indoor activity determination

[0030] The indoor activity of 5% milbemycin dry injection against pine xylophilus was determined by sand column method. Dilute 5% milbemycin with water to form a gradient concentration drug solution for later use. A PVC pipe with an inner diameter of 15 mm and a height of 30 mm is used, and one end of the pipe is wrapped with 100-mesh nylon gauze. Fill the tube with washed and dried, high-temperature sterilized river sand through a 40-mesh sieve. Add 2 mL of the liquid medicine dropwise to the upper end of the tube, and after 2 hours, add 1 mL of the suspension containing 200 to 300 nematodes after the liquid medicine diffuses. Put the sand column in a 50mL beaker, add about 10ml of water to the dish, and place it indoors at a temperature of 20-28°C. Each treatment was repeated 3 times, and water and blank solvent were used as con...

Embodiment 2

[0045] A dry injecting control agent for tree leaf pests, which consists of:

[0046] Milbemycin 1%

[0047] Fatty alcohol polyoxyethylene ether sulfate 10%

[0048] n-Butanol 89%

[0049] That is, it can be formulated into 1% milbemycin tree leaf pest control agent, which can effectively control various leaf pests of various trees, and is applied with a dry injection dose of 1mL / cm diameter at breast height. The control effect is shown in Table 3.

[0050] Table 3 Control effect of 1% milbemycin dry injection liquid on tree pests

[0051]

Embodiment 3

[0053] A dry injecting control agent for tree leaf pests, which consists of:

[0054]

[0055]

[0056] It can be prepared into 15% milbemycin dry injection liquid. The preparation can effectively control various dry-boring pests of trees, such as longhorn beetles, jerky beetles, and winged moths. Apply with a dry injection dose of 2mL / cm DBH, and the control effect is shown in Table 4.

[0057] Table 4 Control effect of 15% milbemycin dry injection liquid agent on dry moth pests

[0058]

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Abstract

The invention discloses a milbemycins tree trunk injection liquid which is prepared from 0.5-30 percent of milbemycins, 5-20 percent of surfactant and 70-98 percent of solvent. The milbemycins tree trunk injection liquid is applied by adopting a trunk injection application technology, has a good prevention and control effect on various diseases of trees, and particularly has high prevention and control effects on pine wood nematode diseases. The milbemycins tree trunk injection liquid is efficient, economic and environmentally-friendly, and is an agent special for preventing and controlling tree diseases.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a milbemycin tree drying solution and its application in preventing and controlling tree diseases and insect pests. Background technique [0002] Tree pests and diseases, especially borer pests and branch diseases, have very little control effect with conventional spraying methods, and cannot control the occurrence and spread of such pests and diseases. Since the 1980s, domestic forest tree pests and diseases have become increasingly serious, especially borer pests. For example, the bare-shouldered star beetle, in less than ten years, it basically destroyed the artificial protection forest network of my country's "Three Norths". In the south, the occurrence of Monochamus alternata not only caused harm to pine trees, but also caused the spread of pine xylophilus, which caused a devastating blow to southern pine forests. With the process of urbanization in our country, the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/04A01P5/00A01P7/02A01P7/04
Inventor 陈安良马良进胡加付张立钦张绍勇
Owner ZHEJIANG FORESTRY UNIVERSITY
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