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Method for preventing and treating plutella xylostella by applying lemongrass essential oil

A technology of lemongrass essential oil and diamondback moth, applied in the field of agricultural pest control, can solve problems such as residues, achieve improved effects, good application prospects, and reduce the amount of eggs laid

Inactive Publication Date: 2012-06-20
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose a new control agent for plant secondary compounds that has a unique effect on diamondback moth and has little environmental pollution in view of the rapid development of resistance to diamondback moth and the serious residues of existing pesticides in vegetables. Another object of the present invention is to propose the specific application method utilizing this medicament to control Plutella xylostella in vegetable production

Method used

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  • Method for preventing and treating plutella xylostella by applying lemongrass essential oil
  • Method for preventing and treating plutella xylostella by applying lemongrass essential oil
  • Method for preventing and treating plutella xylostella by applying lemongrass essential oil

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Effect test

Embodiment 1

[0019] Embodiment 1: (preparation and application 1 of prevention and treatment and / or refraining from medicinal liquid)

[0020] (1) Preparation of the solution: the co-solvent Nongru 100 and water are prepared into a solution in a ratio of 1:999 by volume, and set aside;

[0021] (2) Preparation of preventive and / or repellent medicinal liquid: prepare lemongrass essential oil and solution in a volume ratio of 1:49 to prepare a preventive and / or repellent medicinal liquid with a concentration of 20.0uL / mL for future use;

[0022] (3) Prevention and treatment of Plutella xylostella larvae: the medicinal liquid prepared in step (2) is sprayed to the whole body of the plant by the consumption of 30L / mu at the peak period of 1-3 instar larvae of each generation of crop Plutella xylostella;

[0023] (4) Anti-egg application to Plutella xylostella: spray the medicinal solution prepared in step (2) evenly on the front and back of the plant leaves and around the stems at the peak of ...

Embodiment 2

[0024] Embodiment 2: (preparation and application 2 of prevention and treatment and / or refraining from medicinal liquid)

[0025] (1) Preparation of the solution: the cosolvent Tween 20 and water are prepared into a solution in a ratio of 1:999 by volume, and set aside;

[0026] (2) Preparation of preventive and / or repellent medicinal liquid: the lemongrass essential oil and the solution are prepared into a preventive and / or repellent medicinal liquid with a concentration of 15.0uL / mL in a ratio of 1:65.7 by volume, and set aside;

[0027] (3) Prevention and treatment of Plutella xylostella larvae: the medicinal liquid prepared in step (2) is sprayed to the whole body of the plant by the consumption of 35L / mu at the peak period of 1-3 instar larvae of each generation of crop Plutella xylostella;

[0028] (4) Anti-egg application to Plutella xylostella: spray the medicinal solution prepared in step (2) evenly on the front and back of the plant leaves and around the stems at the...

Embodiment 3

[0029] Embodiment 3: (preparation and application 3 of prevention and treatment and / or refraining from medicinal liquid)

[0030] (1) Preparation of the solution: the co-solvent Tween 80 and water are prepared into a solution in a ratio of 1:999 by volume, and set aside;

[0031] (2) Preparation of preventive and / or repellent medicinal liquid: the lemongrass essential oil and the solution are prepared into a preventive and / or repellent medicinal liquid with a concentration of 10.0uL / mL in a ratio of 1:99 by volume, and set aside;

[0032] (3) Prevention and treatment of Plutella xylostella larvae: the medicinal liquid prepared in step (2) is sprayed to the whole body of the plant by the consumption of 40L / mu at the peak period of 1-3 instar larvae of each generation of crop Plutella xylostella;

[0033] (4) Anti-egg application to Plutella xylostella: spray the medicinal solution prepared in step (2) evenly on the front and back of the plant leaves and around the stems at the ...

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Abstract

The invention discloses a method for preventing and treating plutella xylostella by applying lemongrass essential oil and belongs to the technical field of agricultural pest control. The method comprises the following steps of: (1) preparation of solution; (2) preparation of prevention and treatment and / or repellent liquor; (3) prevention and treatment of larvae of the plutella xylostella; (4) repellent application of oviposition of the plutella xylostella; and the like. The method has 31.7 percent to 67.3 percent of preventing and treating effect on the larvae of the plutella xylostella and has 30.4 percent to 72.7 percent of repellent effect on the oviposition of the plutella xylostella. The lemongrass essential oil is a vegetative pollution-free product. According to the invention, thevarieties of medicaments for preventing and treating the plutella xylostella are increased, the harmful effect of conventional pesticides on the environment can be reduced, and the method has obviousecological benefit and social benefit. The method can be popularized and applied in vegetable production areas.

Description

technical field [0001] The invention relates to the technical field of agricultural pest prevention and control, in particular to a method for comprehensive prevention and control of diamondback moth by using lemongrass essential oil, a plant essential oil. Background technique [0002] The diamondback moth (Plutella xylostella L.) belongs to Lepidoptera Plutellaidae, is a worldwide herbivorous pest, with more than 40 species of hosts, and mainly damages cruciferous vegetables. Since diamondback moth became the main pest of cruciferous vegetables in my country in the 1970s, it has been seriously occurring in southern provinces such as Guangdong, Hainan, Fujian, Yunnan, and Hubei. In the past ten years, with the adjustment of the planting structure in the north and the expansion of the vegetable planting area, the occurrence and damage of diamondback moth have also shown an obvious upward trend. Plutella xylostella has many generations, serious overlapping of generations, fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00
Inventor 俞瑞鲜王强赵学平吴长兴王彦华安雪花吴声敢陈丽萍苍涛李岗
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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