Plant source pesticide powder and application thereof

A technology of botanical pesticides and powders, applied in plant growth regulators, animal repellents, botanical equipment and methods, etc., achieving huge social and economic benefits, no environmental pollution, and low preparation costs

Inactive Publication Date: 2012-11-28
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no literature report on the conversion of toxic components in tung meal into pesticides at home and abroad, especially there is no large-scale and low-cost literature report on the conversion of toxic components in tung meal into pesticides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 takes tung meal as the preparation of the pesticide powder of raw material

[0021] (1) Grinding 1 ton of tung oil meal into powder below 60 mesh.

[0022] (2) Use 1.5 times the amount of NaOH solution with a pH value of 9.5, soak at 60°C for 60 hours, and fully stir once an hour.

[0023] (3) With constant stirring, the pH value of the solution was reduced to 4.5 with dilute hydrochloric acid (10%).

[0024] (4) Under continuous stirring, according to the amount of tung oil meal, add 2000U / ml liquid acid amylase 0.5‰, food grade CaCl 2 .2H 2 O 60ppm, 10000U / ml liquid acid cellulase 1.0‰, liquid 50000U / ml acid protease 0.5‰.

[0025] (5) Maintain the temperature at 35° C., and fully stir once every hour, and react for 5 days.

[0026] (6) Heating up to 80° C., maintaining for one hour, then distilling under reduced pressure to remove water from the solution, and collect evaporated water, etc., for recycling.

[0027] (7) Further drying under reduced pr...

Embodiment 2

[0028] Embodiment 2 takes tung meal as the preparation of the pesticide powder of raw material

[0029] (1) Grinding 1 ton of tung oil meal into powder below 60 mesh.

[0030] (2) Use 1.8 times the amount of NaOH solution with a pH value of 8.5, soak at 50°C for 72 hours, and fully stir once an hour.

[0031] (3) With constant stirring, the pH value of the solution was reduced to 5.0 with dilute hydrochloric acid (10%).

[0032] (4) Under continuous stirring, according to the amount of tung oil meal, add 2000U / ml liquid acid amylase 0.3‰, food grade CaCl 2 .2H 2 O 100ppm, 10000U / ml liquid acid cellulase 1.5‰, liquid 50000U / ml acid protease 0.3‰.

[0033] (5) Maintain the temperature at 50° C., and fully stir once every hour, and react for 8 days.

[0034] (6) Raise the temperature to 90° C., maintain it for one hour, then distill under reduced pressure to remove the water in the solution, and collect the evaporated water for recycling.

[0035] (7) Further drying under re...

Embodiment 3

[0036] Embodiment 3 takes tung meal as the preparation of the pesticide powder of raw material

[0037] (1) Grinding 1 ton of tung oil meal into powder below 60 mesh.

[0038] (2) Use 2.0 times the amount of NaOH solution with a pH value of 10.5, soak at 35°C for 48 hours, and fully stir once an hour.

[0039] (3) With constant stirring, the pH value of the solution was reduced to 6.0 with dilute hydrochloric acid (10%).

[0040] (4) Under continuous stirring, according to the amount of tung oil meal, add 2000U / ml liquid acid amylase 0.1‰, food grade CaCl 2 .2H 2 O 20ppm, 10000U / ml liquid acid cellulase 0.5‰, liquid 50000U / ml acid protease 0.1‰.

[0041] (5) Maintain the temperature at 60° C., and fully stir once every hour, and react for 6 days.

[0042](6) Heating up to 100° C., maintaining for one hour, then distilling under reduced pressure to remove water from the solution, and collect evaporated water, etc., for recycling.

[0043] (7) further drying under reduced p...

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Abstract

The invention relates to plant source pesticide powder and application of tung meal in the preparation of a plant source pesticide. The plant source pesticide powder is prepared by directly converting the by-product tung meal left after the oil expression of tung tree seeds under the zero-discharge process condition. The plant source pesticide powder has simple preparation process, low preparation cost and high yield, as well as obvious pest control effect, and the control rate of the plant source pesticide powder, especially on Lepidoptera pests, such as cotton bollworms, plutella xylostellaand the like, reaches 100 percent and no pollution to environment is generated.

Description

technical field [0001] The present invention relates to a botanical pesticide powder and its application, in particular to a botanical pesticide powder which is directly transformed and produced by using the by-product tung meal left after oil extraction of tung oil tung seeds as a raw material, under the condition of no discharge process, And the application of tung meal in the preparation of botanical pesticides. Background technique [0002] Aloe tung tree, named vemicia fordii (Hemsl) Airy-shaw in Latin, belongs to Euphorbiaceae (Euphorbiaceae) genus Vernicia Lour. One of the famous economic plants. Its main product is tung oil, one of the best drying oils and widely used in industry. According to statistics, at present, in the field of national economy, there are more than 1,000 products directly or indirectly using tung oil, and with the increasing development of various industries, the use of tung oil will be more extensive. In recent years, due to the increasingly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/18A01N25/12A01P7/04
Inventor 刘瑞华杨锋段晓宏卫桃娥
Owner WUHAN TEXTILE UNIV
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