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Control method of alligator alternanthera in water area

A technology of A. japonicus and water area, which is applied in the direction of weed elimination equipment, botanical equipment and methods, herbicides and algicides, and can solve the problems of serious damage, recurring damage, and difficult waters of A. japonicus

Inactive Publication Date: 2010-07-28
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to climate reasons, the survival of natural enemies is limited in most areas of our country, and it is difficult to use this natural enemy to effectively control the water area of ​​A.
The second method, currently many places use the method of manual removal to clean the water area of ​​the lotus. On the other hand, the stems and leaves will spread with the water when they are removed, helping them to spread
However, the problem is that glyphosate is difficult to complet

Method used

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  • Control method of alligator alternanthera in water area
  • Control method of alligator alternanthera in water area

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] The following experiments were carried out on the control of A. japonicus in water areas.

[0036] 1. Test materials and methods

[0037] 1.1 Test materials and equipment

[0038] The present invention: WFB-18AC "Dongfanghong" brand knapsack spray duster, Beijing Fengmao Plant Protection Machinery Co., Ltd. The volume diameter of the mist droplets formed by the nebulizer is 52-105 microns.

[0039] Contrast test (conventional control technology test): Gongnong 16 sprayer, equipped with a spray sheet with an aperture of 1.2mm, the particle size of the droplets formed during spraying is usually 150-300 microns.

[0040] 1.2 Test drug

[0041] Glyphosate isopropylamine saline solution with a mass concentration of 41% (that is, 410 g of glyphosate isopropylamine salt per 1000 ml).

[0042] 1.3 Test location

[0043] The test site is the farm of Huajiachi Campus of Zhejiang University.

[0044] The total area of ​​the pond is about 2200m 2 , in the shape of a rectangle,...

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Abstract

The invention discloses a control method of an alligator alternanthera in a water area. The control method comprises: taking organic amine salt or alkali metal salt of glyphosate acid as an active ingredient of the glyphosate, using 1000-5000 grams of the glyphosate active ingredient in the water area per hectare under control in every drug application, adding water to the glyphosate active ingredient needed by water area per hectare under control to be diluted into 15-450 liters of drug liquor, taking a sprayer as a drug delivery device, and applying the drug to the alligator alternanthera in 4-10 leaf stage. The control method of the invention has the advantage of good control effect.

Description

technical field [0001] The invention relates to a method for preventing and treating the hollow lotus in the water area. Background technique [0002] At present, the occurrence and harm of weeds in my country's waters is very serious, which has caused more and more impacts on agricultural production, irrigation and drainage, aquaculture, water transportation and the ecological environment of waters, and is attracting the attention of relevant departments. Alternanthera philoxerides (Mart.) Griseb. is one of the most serious harmful weeds. The grass is a perennial weed of Amaranthaceae. It has strong vitality, fast reproduction and amazing spreading speed. It was introduced into my country in the 1930s, and now it has spread across more than 20 provinces, cities and autonomous regions in my country. It occurs in large areas in farmland, ditches, ponds, rivers, lakes, reservoirs and other places. Many places cover the entire pond and occupy the entire river course. , making ...

Claims

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Application Information

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IPC IPC(8): A01M21/04A01N57/20A01P13/00
Inventor 朱金文朱国念
Owner ZHEJIANG UNIV
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