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Botanical compound insecticide and applications thereof

An insecticide and plant-derived technology, applied in the field of plant-derived pesticides, can solve the problems of target pests resistance, high content of aromatic compounds, and unsatisfactory insecticidal activity, and achieve field application cost reduction and environmental compatibility Good sex, remarkable effect

Inactive Publication Date: 2015-08-19
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many problems in the existing pesticide preparations that only use camptothecin or bamboo tar as active ingredients. For example, CPT is expensive, up to about 30,000 yuan per kilogram, and the active substance is easy to decompose when exposed to light, so it needs to be strictly protected from light. Insufficient light stability for storage and field use, etc.; bamboo tar has extremely complex components, high content of aromatic compounds, and the emulsifiable concentrate prepared is more toxic, and the reported water preparation is very large due to the amount of bamboo tar, and excessive dosage is easy to causing pesticide residue problems
In addition, the insecticidal activity of the two single agents is not ideal, and long-term application may lead to resistance in target pests

Method used

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  • Botanical compound insecticide and applications thereof
  • Botanical compound insecticide and applications thereof
  • Botanical compound insecticide and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Add 10.2 kg of water and 0.025 kg of camptothecin to stirrer A, stir and heat the suspension to 50°C, then slowly add 0.0525 kg of sodium hydroxide, stir until all substances are evenly dissolved, and prepare single dose I. In stirrer B, add 4.046 kg bamboo tar, 0.6808 kg sodium hydroxide, keep stirring until the black sticky bamboo tar turns brown slightly thin semi-fluid, and when the temperature of the reactant turns to room temperature from hot blanching, add 10.27 kg of water, stirred and mixed evenly to prepare single dose II. Then mix the single agent I and the single agent II according to the volume ratio of 1.2:1 to make a mixture, and then add 0.1% sodium lignosulfonate, 0.1% organic silicon, 0.025% ethylene glycol, 0.025% Glycerin, 0.025% sodium polyacrylate, 0.025% salt, fully stirred and mixed to form a compound agent.

Embodiment 2

[0043] Add 8.98 kg of water and 0.076 kg of camptothecin to the mixer A, stir and heat the suspension to 52°C, then slowly add 0.0633 kg of sodium hydroxide, stir until all substances are uniformly dissolved, and prepare the single agent I. Add bamboo tar 6.321 kg and sodium hydroxide 0.8216 kg in stirrer B, keep stirring until the black sticky bamboo tar turns brown and slightly thin semi-fluid, and when the temperature of the reactant is transferred to room temperature from blanching, add 9.02 kg of water, stir and mix evenly to prepare single dose II. Then, mix the single agent I and the single agent II according to the volume ratio of 1:1.2 to make a mixture, then add 0.4% of the weight of the mixture of silicone, 0.2% of glycerin, and 0.2% of sodium polyacrylate, and fully stir and mix. Mix evenly to form a compound agent.

Embodiment 3

[0045] Add 9.95 kg of water and 0.05 kg of camptothecin to the mixer A, stir and heat the suspension to 53°C, then slowly add 0.0562 kg of sodium hydroxide, stir until all substances are dissolved evenly, and prepare the single agent I. Add bamboo tar 4.5 kg and sodium hydroxide 0.729 kg in stirrer B, keep stirring until the black sticky bamboo tar turns brown and slightly thin semifluid, and when the temperature of the reactant is transferred from hot to room temperature, add water 10.0 kg, stir and mix evenly to form a single dose II. Then, mix the single agent I and the single agent II according to the volume ratio of 1:1 to make a mixture, then add 0.3% sodium lignosulfonate, 0.15% ethylene glycol, and 0.05% table salt by weight of the mixture, and stir thoroughly Mix well to form a compound.

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Abstract

The invention discloses a botanical compound insecticide and applications thereof, and belongs to the technical field of botanical pesticides. The botanical compound insecticide is prepared through the following steps: 1) in percentage by weigh, weighting 0.05-0.45% of camptothecin, 12-31% of bamboo tar, 2.1-5.2% of sodium hydroxide, and 63-85% of water; and mixing the camptothecin, sodium hydroxide and the water in a ratio of 1:(0.84-2.08):(118-404), and stirring at a temperature of 50-55 DEG C so as to obtain a single agent I; 2) adding the rest of sodium hydroxide into the bamboo tar, after the obtained mixture is reacted to room temperature, adding the rest of water, and stirring so as to obtain a single agent II; and 3) mixing the single agent I with the single agent II, and adding a pesticide adjuvant, so that a final product is obtained. The botanical compound insecticide has an ideal contact effect on piercing-sucking and chewing mouthpart pests such as rice planthoppers, chilo suppressalis walkers, cotton aphid, aphis craccivora, myzus persicae and the like, so that the insecticide has an effect of growth-promoting and trace element supplementing on crops; and the botanical compound insecticide is low in production cost and easy to use.

Description

technical field [0001] The invention belongs to the technical field of botanical pesticides, in particular to a botanical compound pesticide and its application. Background technique [0002] Camptothecin Camptothecin (CPT) is a plant from the blue fruit family Camptothecin Camptotheca acuminata The light yellow needle-like crystals extracted from the fruit and leaves of Decne belong to neutral alkaloids, have no obvious alkalinity, are insoluble in water, and exhibit strong blue fluorescence under ultraviolet light. It has been found clinically that CPT can block the synthesis of topoisomerase I. Therefore, it has been developed and researched as an anticancer drug at home and abroad for a long time, and it is used to treat malignant tumors, psoriasis, acute and chronic leukemia, and liver and spleen caused by schistosomiasis. Swelling, etc., but because camptothecin also injures normal human cells while killing cancer cells, its clinical application in medicine is greatly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N61/00A01P7/04A01N43/90
Inventor 童森淼冯明光
Owner ZHEJIANG UNIV
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