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Pesticide composition containing fosthiazate and carbosulfan

A pesticide composition, the technology of carbosulfan, which is applied in the directions of biocides, animal repellents, plant growth regulators, etc. The effect of reducing the use of pesticides and reducing costs

Active Publication Date: 2011-10-05
成都科利隆生化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the chemical agents used to prevent and control nematodes include highly toxic pesticides such as fenamiphos, carbofuran, terbufos, and thiamephos. Due to long-term single use of these pesticides, nematodes are relatively resistant to them, and their toxicity is high, which is harmful to the environment. serious pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1 (Determination of the combined effect of carbosulfan and thiazolyl on root-knot nematode cucumber).

[0018] Test method: Take the cucumber root system that produces a large number of root knots, rinse it gently with tap water, gently pick out the milky white oocysts on the diseased root with a dissecting needle, put it into a small petri dish with a diameter of 6 cm, add a small amount of sterile water, and dry it at 25 Incubate in an incubator at ℃ for 3-4 days, collect the 2nd instar larvae, and add sterile water to make a suspension with a certain concentration (about 500 / ml) for later use.

[0019] Five concentration gradient treatments were set, and sterile water was used as the blank control. Take a 96-grain cell culture plate, add 150nl of different concentrations of prepared medicines to each grandchild, then add an equal volume of nematode suspension, and culture at 25°C with moisture, and check the survival of the 2nd instar of A. The number and th...

Embodiment 2

[0024] Example 2 (11% carbosulfan · thiazophosphine oil suspension concentrate).

[0025] Carbosulfan 10%, Thiazophosphine 1%, Fatty Alcohol Polyoxyethylene Ether 4%, Calcium Dodecylbenzene Sulfonate 5%, Tristyrylphenol Polyoxyethylene Polyoxypropylene Ether 3%, Epoxy 1% soybean oil, 0.5% glycerin, and the balance is methylated vegetable oil. Add the above formulations into the mixing tank in sequence according to the proportion, and after stirring evenly, 11% Carbosulfan Thiazophosphine oil suspension concentrate is prepared.

[0026] This embodiment is used to control cucumber root-knot nematode. The dosage of 11% Carbofuran Thiazophosphine oil suspension preparation was 1500 g / mu mixed with water to irrigate the roots, and the control effect was 87.6% 30 days after application. The dosage of 5% carbosulfan granule preparation is 4000 g / mu, and the control effect is 69.3% after 30 days of application. The dosage of 10% thiazophosphine granule preparation is 2000 g / mu in f...

Embodiment 3

[0027] Example 3 (20% carbosulfan · thiazophosphine water dispersible granules).

[0028] Carbosulfan 5%, Thiazophosphine 15%, Sodium Lauryl Sulfate 6%, Polycarboxylate 4%, Ammonium Sulfate 5%, Polyethylene Glycol 3%, Sodium Hydroxymethyl Starch 2%, Other The amount is light calcium carbonate. Dry pulverize, granulate, dry, and sieve the above formula according to the proportion to prepare 20% carbosulfan·thiazolyl phosphine water dispersible granules.

[0029] This embodiment is used to prevent and control grape root-knot nematode. The dosage of 20% carbosulfan-thiazophos water-dispersible granule preparation is 700 g / mu and watered to irrigate the roots, and the control effect is 93.4% 30 days after the medicine. The dosage of 5% carbosulfan granule preparation is 4000 g / mu, and the control effect is 79.5% after 30 days of application. The dosage of 10% thiazophosphine granule preparation is 2000 g / mu in furrow application, and the control effect is 85.2% after 30 days of ...

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Abstract

The invention discloses a pesticide composition containing fosthiazate and carbosulfan, and the weight ratio of carbosulfan and fosthiazate is 10:1-1:10. The two active components of the pesticide composition of the invention have significant synergic effect after blending; the using amount of the pesticide is reduced; human and material resources are saved; environmental pollution of the pesticide is reduced; and the composition is applicable to the control of nematode of crops such as vegetables, cotton, fruit trees, soybeans, peanuts, flowers, and the like.

Description

technical field [0001] The pesticide composition involved in the present invention uses carbosulfan and thiazophos as active ingredients, and is suitable for preventing and controlling crop nematodes. Background technique [0002] Plant parasitic nematodes in plants and soil are one of the main pathogens of plant invasive diseases. Its damage not only absorbs plant nutrients to cause yield reduction and quality decline, but also causes root cells to grow excessively and become galls, losing nutrients and absorbing nutrients. The ability of water to cause plant decay. It can also carry pathogens and cause other diseases. [0003] At present, the chemical agents used to prevent and control nematodes include highly toxic pesticides such as fenamiphos, carbofuran, terbufos, and thiamephos. Due to long-term single use of these pesticides, nematodes are relatively resistant to them, and their toxicity is high, which is harmful to the environment. serious pollution. Therefore be...

Claims

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Application Information

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IPC IPC(8): A01N57/32A01N47/24A01P5/00
Inventor 吴培军王睿陈佛祥王礼文朱刚
Owner 成都科利隆生化有限公司
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