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Thidiazuron defoliating composition containing diquat

A composition, the technology of diquat, applied in the field of pesticides, can solve the problems such as synergistic research of thiadizuron and diquat that have not yet appeared

Inactive Publication Date: 2019-02-22
安阳全丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no relevant report on the synergistic research of thiadizuron and diquat

Method used

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  • Thidiazuron defoliating composition containing diquat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, the preparation of Thidiazuron Diquat Suspension Concentrate

[0026] Thidiuron 19%, Diquat 1%, Urfuraldehyde 1%, Polyoxyalkylphenylene Ether Phosphate 4%, Propylene Glycol 10%, Xanthine 0.25%, Polyalkylpolysiloxane 0.05%, Water 63.7 %, using wet pulverization until the average particle size reaches 3±0.5 μm of the volume average particle size, and the active ingredient is 20% Thidiazuron Diquat Suspension Concentrate.

Embodiment 2

[0027] Embodiment 2, the preparation of thiadizuron · diquat wettable powder

[0028] Thidiuron 18%, Diquat 2%, Sodium Lauryl Sulfate 2.6%, Sodium Lignosulfonate 6.5%, White Carbon Black 2.1%, Kaolin 35%, Diatomaceous Earth 31.8%, crushed and mixed The active ingredient is 20% thiadizuron · diquat wettable powder.

Embodiment 3

[0030] Experimental setup: compound thiadizuron and diquat in a certain ratio to make the active ingredient ratio (thiadizuron: diquat) as 100:0, 100:0.4, 100:1, 100:3, 100: 5, 100:10, 100:20 and other 7 kinds of thiadizuron or thiadizuron, diquat total effective content of 20% pesticide defoliation composition, according to the preparation dosage 60ml / mu, the spray volume 30L / mu in Spraying on cotton, the results are shown in Table 1.

[0031] Table 1 Application effect of 20% thiadiuron compound composition on cotton

[0032]

[0033] Note: In actual application, the number of cotton leaves is dynamic, and new leaves may grow out during the cotton maturity period

[0034] From the data in Table 1, it can be known that adding a certain amount of diquat showed a significant synergistic effect compared with using thiadizuron alone for defoliation. After 25 days of spraying, the compositions with mass ratio of thiadizuron:diquat of 100:1 and 100:3 had a slightly higher defo...

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Abstract

The invention provides a composition for promoting abscission of plant leaves. The composition is prepared from the active ingredients of thidiazuron and diquat, wherein the mass ratio of the thidiazuron to the diquat can be 100:0.1 to 100:20 and specifically can 100:3 to 100:10. According to the composition, when an inventor carries out pesticide reduction research, the thidiazuron and the diquatare found to show a good activity effect after being compounded; the thidiazuron and the diquat are quickly compounded, and therefore on the basis of improving the defoliating effect of the thidiazuron, the application amount of the thidiazuron in unit area is decreased, the defoliating action period of the thidiazuron is accelerated, the use cost is lowered, and the economic benefit is improved;and the application amount of chemical pesticides is decreased, so that the environmental pollution is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a thiadiuron defoliation composition containing diquat. Background technique [0002] Thidiazuron is a plant growth regulator with cytokinin activity, which can induce tissue growth and regeneration. It is also a very effective cotton defoliant. It does not degrade chlorophyll, does not change the water potential of leaves, and does not directly damage Leaves, however, can promote the production of ethylene, inhibit the transport of auxin, and reduce the ratio of auxin to ethylene. Plants regulate organ abscission by fine-tuning the sensitivity to ethylene signals and regulating the process of receiving ethylene signals. The mechanism of thiadizuron-induced leaf abscission is actually to achieve the purpose of leaf abscission by affecting the level of ethylene in plants. [0003] Diquat is an excellent contact desiccant and herbicide with systemic properties. Its main mechan...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/90A01P13/00
CPCA01N43/90A01N47/36
Inventor 徐雪松王青霞邹建敏赵志超赵杨陈罗安刘越李润东
Owner 安阳全丰生物科技有限公司
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