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Method for spraying agrochemical over plant body or soil

A plant and soil technology, applied in the directions of botanical equipment and methods, fertilization methods, plant growth regulators, etc., can solve problems such as uneven adhesion, difficult adhesion of spray liquid, and reduced efficacy

Inactive Publication Date: 2009-04-29
ISHIHARA SANGYO KAISHA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the dispersed particles are large, uneven adhesion is likely to occur, and the spray liquid is difficult to adhere to, or the efficacy of pesticides may decrease in areas where there is no adhesion.

Method used

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  • Method for spraying agrochemical over plant body or soil
  • Method for spraying agrochemical over plant body or soil
  • Method for spraying agrochemical over plant body or soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0102] Below, the present invention will be described in further detail through examples, but not limited thereto.

[0103] Embodiment (cucumber powdery mildew field test)

[0104] Cucumbers (variety: Sagami Banshiro) planted in the open field were sprayed with a chemical solution adjusted to a prescribed amount with a knapsack power spray. As the nozzle, a kirinashi nozzle (2 nozzles for KS vegetables or strong kirinashi tea, manufactured by Yamaho Kogyo Co., Ltd.) and a normal nozzle were used. The amount of spraying water is set at 1500L or 3000L per hectare, and 2000 times of trifamine water and agent (flufenazole 150ppm) are spread. The study of disease incidence was carried out on a median of 10 leaves of cucumber.

[0105] The determination of the degree of disease was performed according to the following disease index, and the average disease degree of each treatment area was calculated.

[0106] Morbidity index 0: No disease was found

[0107] Incidence index 1: I...

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PUM

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Abstract

It is intended to provide a spraying method with the use of a drift reduction nozzle by which drifts of a pesticide (for example, a harm to the neighborhood residents, the residual pesticide in adjacent crops, contamination of water for public use with the pesticide, exposure of a sprayer to the pesticide and so on) can be reduced while lessening uneven sticking and preventing a lowering in the efficacy of the pesticide. A method of spraying a pesticide which comprises spraying a spray solution containing the pesticide, a nonionic surfactant and water in the case of spraying the pesticide to a plant (for example, the stem, branches, leaves or fruits of a crop or the trunk, branches or leaves of a tree) or soil in which a plant is grown or to be grown, with the use of a sprayer provided with a drift reduction nozzle.

Description

Technical field [0001] The present invention relates to spraying pesticides using drift-reducing nozzles to plant stems, branches and leaves, fruits, trunks, branches and leaves of trees, soil in which plants are planted, or soil in which plants are intended to be planted. This is a method of dispersing pesticides, non-ionic surfactants and water in the form of a dispersion liquid, and improving the dispersion effect by a drift-reducing nozzle. Background technique [0002] Pesticides such as fungicides, insecticides, herbicides, plant growth regulators, repellents, and fertilizers are indispensable materials for the stable and economical cultivation of crops. There are various methods of applying pesticides, but the most commonly used method is to put pesticides into water and spread the liquid. Scattering is a technology in which dispersed particles sprayed from a disperser are blown onto plants and soil. However, before the dispersed particles reach the target site, they...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/30A01C21/00A01M7/00A01N25/00A01N25/02A01N25/24A01N43/50A01P3/00
CPCA01N25/00A01N25/02A01N25/24A01N43/50A01C21/00A01M7/00A01N25/30
Inventor 三谷滋
Owner ISHIHARA SANGYO KAISHA LTD