Weeding composition for sugarcane field

A herbicidal composition and sugarcane field technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of poor weed effect and easy drug resistance in farmland, and reduce the use of pesticides amount, improve the control effect, and delay the effect of compound resistance

Inactive Publication Date: 2017-02-08
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problem of poor effect on farmland weeds and easy to produce drug resistance i

Method used

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  • Weeding composition for sugarcane field
  • Weeding composition for sugarcane field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Bioassay Test

[0018] Test material: Cyperus rotundus (scientific name: Cyperus rotundus), the root tubers are collected from Wupei Village, Renshan Town, Huidong County, Guangdong Province.

[0019] Test equipment: controllable light incubator; POTTER precision laboratory spray tower; electronic balance (sensitivity 0.1mg); micropipette gun, etc.

[0020] Test method: Put a certain amount of soil in a porcelain bowl with a height of 6cm and a diameter of 9cm, sow 15 pieces of the target Cyperus cyperi root in the porcelain bowl, cover it with 2-3cm of fine soil, and then cultivate it in a greenhouse until the target weed grows to Spray the stems and leaves at 5cm, spray 1ml per porcelain pot, repeat each treatment 4 times, and set the treatment without pesticides as the control. After the treatment, the test materials are placed in the greenhouse for cultivation, and the growth of the target weeds is regularly observed for 15 days. Afterwards, the damage s...

Embodiment 2

[0031] Example 2: 60% methazapyr-clopyrazosulfuron water-dispersible granules

[0032] 20% imazethapyr, 40% clopyrazosulfuron, 4% sodium lauryl sulfate, 2% polycarboxylate, 3% sodium chloride, 2% polyethylene glycol, kaolin to make up to 100%. The above active ingredients and additives are mixed and kneaded with water, kneaded and shaped with a kneading granulator, and then the granules are dried and sieved in a fluidized bed to obtain 60% imazapyr. Sulfuron-methyl water-dispersible granules.

[0033] Using 60% Memazapic and Clopyrazosulfuron-methyl Water-dispersible Granules Mixed with Water and Spraying Stems and Leaves to Control Radix Cyperus Cyperus Weeds in Sugarcane Fields 15 Days after the Control Effect: 60% Memazania and Clopyrazosulfuron-methyl Water Dispersion The control effect of 2 g / mu, 3 g / mu and 4 g / mu of granules is 92.8%, 96.4% and 97.2%; the control effect of 30 g / mu of 240 g / L methazepam is 87.5%; The dosage of 75% chlorpyrazosulfuron-methyl water-disper...

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Abstract

The invention discloses a weeding composition for a sugarcane field. The weeding composition comprises weeding active components such as imazapic and halosulfuron-methyl and the balance herbicide auxiliary agents. A mass part ratio of imazapic to halosulfuron-methyl is 20: 1 to 1: 20. Through combination of the imazapic and halosulfuron-methyl, obvious Cyperus rotundus synergism is obtained. According to the existing herbicide technology, the weeding composition can be processed to form water dispersible granules.

Description

technical field [0001] The pesticide composition of the present invention, the active ingredients are imazapyr and chlorpyrazosulfuron-methyl, and is used for controlling Cyperus cyperi weeds in sugarcane fields. Background technique [0002] Cyperus Cyperus, a perennial Cyperaceae weed that often occurs in sugarcane fields, consists of underground tubers, rhizomes, bulbs and aboveground stems and leaves. It has amazing reproductive ability, and tubers, rhizomes, bulbs and seeds can reproduce. Seedlings can grow in about a week during the growing season, and new tubers can be produced in about 20 days. Not only tubers can also be bulbs, but when conditions are right, seeds and rhizomes can also germinate to produce new plants and tubers. [0003] my country's sugarcane planting area is about 23 million mu, mainly distributed in Guangxi, Guangdong, Yunnan, and Hainan. According to field surveys, the population of Cyperus cyperi is expanding year by year in Guangxi and Guangdo...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/50A01P13/00
CPCA01N47/36A01N43/50A01N2300/00
Inventor 陈佛祥王礼文吴泽伟朱刚张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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