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Weed killer for sweet potato land and application thereof

A herbicide and sweet potato technology, applied in the direction of herbicides and algicides, chemicals for biological control, applications, etc., can solve the problem of less herbicides, reduce the amount of use, delay weed resistance, expand The effect of herbicidal spectrum

Inactive Publication Date: 2016-08-17
INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, herbicides such as quizalofop-p-p, fluazifop-p-p and high-efficiency flurifop-p-p that are used in sweet potato fields can only control gramineous weeds, but can be used to control sedges and broad-leaved weeds after emergence. There are very few herbicides, and it is urgent to develop herbicide compositions that can be used to control broadleaf weeds after transplanting in sweet potato fields

Method used

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  • Weed killer for sweet potato land and application thereof
  • Weed killer for sweet potato land and application thereof
  • Weed killer for sweet potato land and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 14

[0036] Example 1 40% rimsulfuron-bendazone wettable powder

[0037] rimsulfuron-methyl 1%, bentazone 39%, sodium methylene dinaphthalene sulfonate 5%, ammonium sulfate 3%, white carbon black 15%, light calcium carbonate make up 100%, according to conventional preparation methods to prepare effective A wettable powder with an ingredient weight percentage of 40%.

Embodiment 2

[0038] Example 2 60% rimsulfuron-bendazone wettable powder

[0039] rimsulfuron-methyl 1%, bentazone 59%, sodium methylene dinaphthalene sulfonate 5%, ammonium sulfate 3%, white carbon black 15%, light calcium carbonate supplement 100%, according to conventional preparation methods to prepare effective A wettable powder with an ingredient weight percentage of 60%.

Embodiment 3

[0040] Example 3 40% rimsulfuron-bendazone water-dispersible granules

[0041]rimsulfuron-methyl 1%, bentazone 39%, pull open powder 5%, Nongru 1601# 5%, white carbon black 5%, sulfite pulp waste liquid 10%, ammonium nitrate supplement 100%, according to the conventional preparation Methods The water dispersible granules with 40% weight percentage of active ingredients were prepared.

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PUM

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Abstract

The invention discloses a herbicide used in sweet potato fields. The main active ingredients of the herbicide are: 0.3-1 rimsulfuron-methyl and 40-90 bentazone in parts by weight. The active ingredient of the herbicide of the present invention, rimsulfuron-methyl and bentazon, has a synergistic effect when mixed with bentazon, and can prevent and control broad-leaved weeds in sweet potato fields. The cost is low, and the safety level for sweet potato seedlings is high. Mixed use can also delay the emergence of weeds' resistance to it, and has obvious marketing value. It is an ideal herbicide for sweet potato fields.

Description

technical field [0001] The invention belongs to the field of herbicides, in particular to a herbicide used in sweet potato fields and its application. Background technique [0002] Sweet potato, also known as red taro, sweet potato, sweet potato, sweet potato, sweet potato, etc., belongs to the order Tubular Flowers, an annual herb of Convolvulaceae, more than 2 meters long, flat on the ground and oblique, the leaves are usually wide ovate, with underground tubers, Root tubers are spindle-shaped, and the skin is khaki or purple. Its roots are rich in protein, starch, pectin, cellulose, amino acids, vitamins and various minerals, and have the reputation of "longevity food"; weeds in sweet potato fields compete with sweet potatoes for water, light, fertilizer and other resources, seriously affecting sweet potato The yield and quality of sweet potato have become an important threat restricting the production of sweet potato; grass weeds that are more harmful in sweet potato fi...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/88A01P13/02
CPCA01N47/36A01N43/88
Inventor 苏旺苍吴仁海徐红乐孙兰兰薛飞鲁传涛
Owner INST OF PLANT PROTECTION HENAN ACAD OF AGRI SCI
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