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Entada phaseoloides nematicide as well as preparation method and application thereof

A technology of nematicide and twig, which is applied in the field of plants and its application, can solve the problems of unexplored systematic agricultural activity research, and achieve the effect of being suitable for popularization and use, good environmental compatibility and low cost

Inactive Publication Date: 2022-06-03
NORTHWEST A & F UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no research on the agricultural activity of its unfolding system

Method used

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  • Entada phaseoloides nematicide as well as preparation method and application thereof
  • Entada phaseoloides nematicide as well as preparation method and application thereof
  • Entada phaseoloides nematicide as well as preparation method and application thereof

Examples

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preparation example Construction

[0034] The application of the extract of vine vine for the preparation of nematicides. The nematicide contains 10% to 30% of the extract of Fructus chinensis. The preparation method of the Fructus chinensis extract includes: the Fructus chinensis extract is pulverized by the Fructus chinensis stem and vine, and then extracted with an organic solvent to obtain a concentrated solution equivalent to 1kg dry powder / kg; the method of organic solvent extraction is ultrasonic extraction, and the extraction temperature is The temperature is 30° C., the extraction time is 0.5-1 hour, and the mass ratio of Fructus chinensis to the organic solvent is 1:(5-10). The particle size of the crushed stems and vines is 1-5 mm; the organic solvent is methanol.

[0035] The invention relates to a nematicide of Fructus Fructus, which is mainly composed of Fructus Fructus extract, and the mass percentage of the Fructus Fructus Extract is 10% to 30%.

[0036] The preparation form of the nematicide ...

Embodiment 1

[0057] Example 1 Preparation of 20% Fructus Fructus Microemulsion

[0058] Weigh 20kg of the concentrate of Fructus chinensis, dissolve it in 30kg of methanol, add 15kg of calcium dodecylbenzenesulfonate, 5kg of styrene acid polyoxyethylene ether, 5kg of ethylene glycol, mix under high-speed stirring, and heat to 40 ° C about; add 25kg of deionized water dropwise under high-speed stirring, control the dripping speed of water, and keep the temperature at about 40°C; after the dropwise addition of water, heat up to 50°C, and stir for 1 hour to obtain 100kg of 20% Fructus chinensis extract microemulsion . The stability and appearance of the preparation meet the requirements of commercial preparations.

Embodiment 2

[0059] Example 2 Preparation of 20% fenugreek extract soluble liquid

[0060] Take by weighing 20kg of Fructus Fructus, dissolve in 30kg methanol, add 15kg sodium dodecyl benzene sulfonate, 4kg ethylene glycol, 0.3kg polyvinyl alcohol under stirring, make up to 100kg with deionized water, after mixing, Stirring at a stirring speed of 800-1000 revolutions per minute for 10-30 minutes, 100 kg of the soluble liquid preparation of Fructus chinensis extract can be prepared. The stability and appearance of the preparation meet the requirements of commercial preparations.

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Abstract

The invention discloses an entada phaseoloides nematicide and a preparation method and application thereof.The preparation method includes the steps that entada phaseoloides is smashed, entada phaseoloides extract nematicidal soluble liquid and microemulsion are prepared through a certain processing process, and the entada phaseoloides extract nematicidal soluble liquid and microemulsion can be used for preventing and controlling meloidogyne incognita on crops such as tomatoes, pumpkins and cucumbers; white is greater than Chitwood. The preparation contains 10-30% of entada phaseoloides extract and the balance of auxiliaries. The nematicide disclosed by the invention not only has a good nematicidal effect, but also is safe to the environment, people, livestock, natural enemies of pests and other beneficial organisms. The nematicide is simple in preparation process, low in cost and suitable for popularization and application.

Description

technical field [0001] The invention belongs to the field of plants and applications thereof, and in particular relates to a nematicide of vine vine, a preparation method and applications thereof. Background technique [0002] Meloidogyne incognita (Kofold&White) Chitwood is an important parasitic nematode with a wide host range and can harm hundreds of plants. When the incidence of root-knot nematode is mild, there is no obvious change in the aerial part of the plant, so it is not easy to detect. When the disease is serious, the leaves of the plant turn yellow, wilt, the plant is dwarfed, the fruit yield decreases, the quality decreases, and even the plant dies. The control of root-knot nematodes is very difficult due to the characteristics of adaptability, fecundity, concealment and chemical resistance. According to statistics, plant diseases caused by M. incognita each year will directly or indirectly cause economic losses of about 50 billion in different industries arou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01P5/00
CPCA01N65/00A01N65/20Y02A50/30
Inventor 冯俊涛祝传书江志利王康高艳清雷鹏马志卿
Owner NORTHWEST A & F UNIV
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