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Method for preventing and treating undesirable plants in cotton fields

A plant and cotton field technology, applied in the agricultural field, can solve the problems of single herbicide action mode and short duration of effect.

Pending Publication Date: 2020-10-27
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continued use of many herbicide varieties on a large scale, many problems have arisen, such as the problem of weed resistance, especially the problem of resistance to older weeds is particularly prominent; Short validity period etc.

Method used

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  • Method for preventing and treating undesirable plants in cotton fields
  • Method for preventing and treating undesirable plants in cotton fields

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0074] Evaluation of the pre-emergence herbicidal activity of compositions under field conditions

[0075] Test agent: 330g / L pendimethalin EC (Shitianbu®, Jiangsu Longdeng Chemical Co., Ltd.)

[0076] 240g / L Oxyfluorfen EC (Dao Huan®, Dow AgroSciences, USA)

[0077] For each treatment, herbicides with different concentrations and proportions were prepared according to the experimental design scheme.

[0078] The cotton was treated with soil sealing before seedling after sowing. The previous crop was cotton. Residential Area 40m 2 , arranged in random blocks. The broad-leaved weeds in this test field are mainly black nightshade, field bindweed, Cyperus cyperi, etc. The treatments were uniformly sprayed one by one with an artificial knapsack sprayer. Each treatment was repeated 4 times. The soil fertility of the test site is moderate. Field management adopts standard cultivation to ensure good growth of crops and weeds.

[0079] The survey method refers to the field ef...

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Abstract

The invention relates to a method for preventing and treating undesirable plants in cotton fields. A weeding composition containing pendimethalin and oxyfluorfen is applied to the undesirable plants or growth fields of the undesirable plants, so that germination or growth of the undesirable plants in cotton field crops is prevented and controlled. The undesirable plants are malignant weeds such asSolanum nigrum L., Convolvulus arvensis L., Cyperus rotundus L., Echinochloa crusgalli (L.) Beauv., Setaria viridis, Chenopodium album L. and Amaranthus retroflexus L. in the cotton fields, and the weight ratio of pendimethalin to oxyfluorfen is (1: 1)-(10: 1).

Description

Technical field [0001] The present invention relates to the field of agriculture, and in particular to a method for preventing and controlling unwanted plants in cotton fields; in particular, to a herbicidal composition containing pendimethalin and oxyfluorfen that is applied to prevent and control unwanted plants or their growing places. Undesirable germination or growth of plants in cotton field crops. Background technique [0002] Weeds in farmland have harmful effects such as deteriorating the ecological environment of crops, reducing crop yield and quality, and affecting the health of humans and animals. [0003] Cotton is a dry field crop, and the weeds in cotton fields are mainly dry field weeds. The physical measures currently taken to control weeds in cotton fields include: [0004] Close planting can reduce the occurrence of weeds and inhibit the growth of weeds to a certain extent. Cultivating strong seedlings promotes early sealing of cotton seedlings, which c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N33/18A01N33/22A01P13/00
CPCA01N33/18A01N33/22
Inventor 罗昌炎詹姆斯.T.布里斯托
Owner JIANGSU ROTAM CHEM
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