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Vegetable insecticide for Pu'er tea trees and preparation method of vegetable insecticide

A plant insecticide and tea tree technology, applied in botany equipment and methods, insecticides, plant growth regulators, etc., can solve the problems of leaf hardening, a large number of fallen leaves, dryness, etc., and achieve pest control, significant drug effect, The effect of simple preparation process

Inactive Publication Date: 2017-11-14
YUNNAN LONGRUN TEA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finally, the leaves will harden, dry up, fall off, and in severe cases, a large number of leaves will fall

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: the specific preparation of this plant insecticide for Pu'er tea tree is as follows:

[0031] Weigh 10kg of Buddleia, 5kg of Wild Tobacco, 7kg of Dipixiao, 8kg of Rhizoma Drynariae, 10kg of Pyrethrum, 10kg of Cypress, 17kg of Maca Leaf, 8kg of Asparagus, and 16kg of Pteris fern; 12 times the volume concentration of 50% ethanol aqueous solution, heating and soaking for 1 hour, heating and reflux extraction, each extraction time is 1 hour, extraction 2 times, the extracts are combined to recover ethanol, and the plant insecticide used for Pu’er tea trees is obtained. Dilute the insecticide to 400 times the mass of the raw material, and add dispersant S-20 with a mass ratio of 4%.

Embodiment 2

[0033] Weigh 15kg of Buddleia, 7kg of wild tobacco, 6kg of Dipixiao, 12kg of Rhizoma Drynariae, 15kg of Pyrethrum, 7kg of Cypress, 15kg of Maca Leaf, 10kg of Asparagus, and 14kg of Pteris fern; Ethanol aqueous solution with 45% volume concentration, heated and soaked for 2 hours, heated and refluxed for extraction, each extraction time was 0.5 hours, extracted 3 times, the extracts were combined to recover ethanol, and the plant insecticide used for Pu’er tea trees was obtained. The insecticide is diluted to 450 times the mass of the material, and dispersant TW-20 with a mass ratio of 5% is added.

Embodiment 3

[0035] Weigh 11kg of Buddleia, 11kg of wild tobacco, 4kg of Dipixiao, 15kg of Rhizoma Drynariae, 13kg of Pyrethrum, 4kg of Cypress, 18kg of Maca Leaf, 6kg of Asparagus, and 15kg of Pteris fern; Ethanol aqueous solution with 60% volume concentration, heated and soaked for 3 hours, then heated and refluxed for extraction, each extraction time was 1.5 hours, extracted twice, the extracts were combined to recover ethanol, and the plant insecticide used for Pu’er tea trees was obtained. The insecticide is diluted to 500 times the mass of the raw material, and dispersant TW-20 with a mass ratio of 6% is added.

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Abstract

The invention discloses a vegetable insecticide for Pu'er tea trees. The vegetable insecticide is prepared from the following components in parts by weight: 10-20 parts of buddleia, 4-11 parts of solanum mauritianum, 3-9 parts of pararuellia delavayana, 7-17 parts of rhizoma drynariae, 9-18 parts of pyrethrum, 3-10 parts of Japan cypress, 11-19 parts of maca leaf, 3-10 parts of solanum xanthocarpum and 10-18 parts of table fern. The insecticide disclosed by the invention is simple in composition and preparation process, and the production operability is high; the prepared pure vegetable insecticide is capable of effectively killing plant diseases and insect pests of the Pu'er tea trees and is biodegradable and residue-free, the plant diseases and insect pests are difficult to reoccur, the tea leaf quality is ensured, and both production and income can be increased.

Description

technical field [0001] The invention relates to a plant insecticide for Pu'er tea trees and a preparation method thereof, belonging to the field of agricultural pest control. Background technique [0002] Yunnan Pu'er has a long history of tea tree cultivation and rich and colorful national tea culture, and is recognized as the origin of tea trees in the world. The planting area is located in the Lancang River Basin at an altitude of 1,800 meters. It has a subtropical warm climate and is the main planting area of ​​Yunnan big-leaf tea. With the Pu'er tea boom and the good economic benefits of Pu'er tea, tea farmers have repeatedly expanded the area of ​​tea gardens and carried out dense planting, which has made the current tea garden plant varieties single, the damage of tea garden diseases and insect pests has increased, and the extensive use of chemical agents has caused pesticide residues and heavy metals to exceed the standard. It is not conducive to human health. Witho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/38A01P7/02A01P7/04
CPCA01N65/00A01N65/38Y02A50/30
Inventor 焦家良吕才有付翠花陈之芳
Owner YUNNAN LONGRUN TEA TECH
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