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High-efficiency cotton defoliating and boll-increasing composition

A composition and cotton technology, applied in pest control, animal repellent, plant growth regulator, etc., can solve the problem of long cotton boll opening period, increasing the number of mechanical cotton picking and manual cotton picking, and affecting cotton fruit cracking and flocculation problems, to achieve the effect of improving quality and cleanliness, greatly reducing prices, and increasing production

Inactive Publication Date: 2014-10-08
JIANGSU RUIDONG PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Since the composition is a combination of fenflurzone and thiadizuron, and the market price of fenflurzone is 1.05 million / ton and thiadizuron 200,000 / ton, the price of the finished drug is expensive, so use this composition Defoliation increases the cost of pesticides for cotton farmers, and the cost will increase by 15 to 20 yuan per mu, which is difficult for cotton farmers to accept, and it is difficult to popularize the defoliant
[0006] 2. Although the composition has a good defoliation effect, it will affect the fruit cracking and boll opening of cotton, and has a direct impact on the yield of cotton
[0007] 3. Using this composition, the opening period of cotton is too long, which limits the application of mechanical cotton picking, prolongs the picking cycle of cotton, increases the number of times of mechanical cotton picking and manual cotton picking, and directly increases the cost of cotton picking. Labor cost

Method used

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  • High-efficiency cotton defoliating and boll-increasing composition
  • High-efficiency cotton defoliating and boll-increasing composition
  • High-efficiency cotton defoliating and boll-increasing composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、25

[0040] Embodiment 1, the preparation of 25% metazachlor-thiadizuron suspension concentrate (SC)

[0041]Weigh 20g of the original drug of thiadidiuron (calculation, the same below), 5g of pyraclofen, add the two original drugs into water, stir in a stirring tank until it becomes a homogeneous liquid, add an emulsifier (fatty alcohol polyoxyethylene ether) 1% to 10%, emulsifier (castor oil ethylene oxide adduct) 1% to 10%, emulsifier (alkylphenol polyoxyethylene (polyoxypropylene) ether) 1% to 10%, adhesive ( Casein) 1% to 3%, after stirring evenly; under mechanical stirring at 60 to 120rpm / min, slowly add thickener (xanthan gum) 0.1% to 2% diluted with water, antifreeze agent (ethylene glycol) 0.1 % to 5%, defoamer (silicone oil) 0.01% to 1%, make up to 100g with water, use air compression pipeline to transport material liquid during grinding, and use 4 sets of sand mills in series (filling fine zirconia beads and coarse oxidation Zirconium beads) were subjected to continuous...

Embodiment 2、50

[0042] Example 2, Preparation of 50% metazafen-thiadizuron wettable powder (WP)

[0043] Weigh 40 g of the original drug of thiadiuron, 10 g of metazafen, 10 g of wetting agent (sodium alkylnaphthalene sulfonate), 5 g of dispersant (sodium methylene naphthalene sulfonate dibutylnaphthalene sulfonate formaldehyde condensate), adhesive (Casein) 3g, and the rest is supplemented to 100g with filler kaolin. The active ingredients are fully mixed according to the proportion, and the 50% metazafen-thiadiuron wettable powder (WP) is obtained after being pulverized by a high-speed airflow.

Embodiment 3、75

[0044] Example 3, Preparation of 75% metazafen-thiadiuron water-dispersible granules (WDG)

[0045] Weigh 60 g of the original drug of thiadiuron, 15 g of metazafen, 2 g of sodium alkylnaphthalene sulfonate (wetting agent), 3 g of sodium N-methyl fatty acyl taurate (dispersant), 2 g of sodium methylene naphthalene sulfonate Butylnaphthalenesulfonic acid formaldehyde condensate (dispersant) 4g, sodium dodecylsulfonate (dispersant) 2g, adhesive (lactocasein) 3g, ammonium sulfate (disintegrant) 5g, light calcium carbonate (filler) ) to make up to 100g. The active ingredient, wetting agent, dispersant, disintegrating agent and filler are fully mixed in proportion, pulverized into a wettable powder by airflow, then mixed with a certain amount of water, extruded and granulated, dried and sieved to make 75% Metazachlor-thiadizuron water-dispersible granules (WDG).

[0046] Two, biological embodiment

[0047] Biological Example 1: Indoor screening of the mixture of metazafen and th...

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PUM

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Abstract

The invention discloses a high-efficiency cotton defoliating and boll-increasing composition. The composition contains pyraflufen-ethyl for synergizing the effective amount, thidiazuron and an adhesive, wherein the weight ratio of the pyraflufen-ethyl to the thidiazuron is (10:1)-(1:15), and the adhesive accounts for 1-3% of the ingredients in total amounts. The high-efficiency cotton defoliating and boll-increasing composition can achieve the high-efficiency defoliating during a limited time period, and can promote cotton bolls to be opened in advance, shorten the boll-opening time and increase the cotton yield; the cotton boll-opening time is centralized relatively, so that the mechanized cotton picking operation is facilitated; the defoliating agent has the lower price compared with existing products.

Description

[technical field] [0001] The invention relates to a cotton defoliation agent, in particular to a high-efficiency cotton defoliation and floc enhancement composition containing metazafen and thiadiuron. [Background technique] [0002] Cotton is the main economic crop in my country, with a large planting area and a wide distribution area, and occupies an extremely important position in the daily life of the people. According to incomplete statistics, in 2013, the national cotton planting area reached 70.809 million mu, and the total annual lint output was 6.678 million tons. According to the forecast of relevant parties, the domestic cotton gap will continue to expand. Vigorously developing cotton production and maintaining the basic position of domestic cotton in the demand for textiles is not only an objective requirement to give full play to the advantages of my country's cotton production country, but also an inevitable choice to improve the international competitiveness ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P21/00A01N43/56
Inventor 张国平李云峰
Owner JIANGSU RUIDONG PESTICIDE
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