A kind of insecticidal and bactericidal composition containing hymexazol

A technology of insecticide, insecticide and fungicide, which is applied in the field of pesticides, can solve the problems of single control and single control of pests, and achieve the effects of reducing the number of times of application, good quick effect, and reducing the cost of drug use

Active Publication Date: 2016-08-24
ZHEJIANG RES INST OF CHEM IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the pesticides used in my country at the seedling stage of rice are mainly single pest control or single disease control, and there are few products that can simultaneously control insect pests and diseases

Method used

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  • A kind of insecticidal and bactericidal composition containing hymexazol

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 (20% hymexazol ZJ4042 suspension concentrate)

[0030] Hymexazol 5%, ZJ404215%, Phosphate Ester Dispersant (FS3000) 4%, Sulfonate Wetting Agent (SXC) 1%, Magnesium Aluminum Silicate 1%, Xanthan Gum 0.1%, Silicone Defoamer 0.3%, ethylene glycol 5%, and the balance is deionized water. The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to prepare a 20% hymexazol ZJ4042 suspension.

[0031] The prepared 20% hymexazol·ZJ4042 suspension concentrate was applied to control rice stem borer and blight at seedling stage. 20% hymexazol ZJ4042 suspension concentrate is sprayed evenly with water at the peak stage of hatching larvae of Chilorrhizae eggs and the early stage of blight occurrence according to the active ingredient 5 g / mu. The control effects of the two were 97.9% and 87.4%, respectively. Contrast single agent 30% hymexazol water agent (application rate is 15 grams / mu),...

Embodiment 2

[0032]Example 2 (15% oxamidil·ZJ4042 suspension seed coating agent)

[0033] According to 1.0% oxamid, ZJ404214.0%, film-forming agent PVA 1.0%, NP-101.0%, polyoxyethylene ether phosphate 3.0%, ethylene glycol 5.0%, BIT 0.01%, silicone defoamer 0.3 %, Xanthan Gum 0.1%, Alert Color Alkaline Rhododendron 1.5%, and the rest is water. The above formula is pre-pulverized in proportion, and then added to a sand mill for grinding. After high-shear mixing, a film-forming agent and a warning tone are added to prepare a 15% oxamidil·ZJ4042 suspended seed coating agent.

[0034] The prepared 15% oxamidil·ZJ4042 suspended seed coating agent was applied to prevent and control rice borer and bakanae disease at the seedling stage. 15% Hammexim·ZJ4042 Suspended Seed Coating Agent is treated with 10g / 100kg of active ingredient for rice seed dressing, and the seedlings are raised normally. 88.9%. Control a single dose of 30% oxamid Ling suspended seed coating (the dosage is 10 g / 100 kg of se...

Embodiment 3

[0035] Example 3 (50% oxamidil·ZJ4042 water dispersible granules)

[0036] According to 10% of oxamid, ZJ404240%, dispersant (NNO + wood sodium) 5%, open powder BX3%, K-12 (sodium lauryl sulfate) 4%, binder carboxymethyl (ethyl) Cellulose 5%, disintegrant (glucose) 5%, diatomaceous earth 3%, kaolin clay supplemented to 100%. According to the requirements of the formula, the aforementioned ingredients are mixed uniformly and pulverized into wettable powder by air flow, and then an appropriate amount of water is added for granulation, drying, and granulation to obtain 50% oxamidil·ZJ4042 water-dispersible granules.

[0037] The prepared 50% oxamidil·ZJ4042 water-dispersible granules were applied to control rice borer and blight at the seedling stage of rice. 50% oxamidil·ZJ4042 water dispersible granules were treated with rice seed dressing according to the effective ingredient 5g / 100kg seeds, and the seedlings were raised normally. 87.6%. Control a single dose of 30% oxamid ...

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Abstract

The invention discloses an insecticidal and bactericidal composition containing two active ingredients, the first active ingredient is hymexazol, and the second active ingredient is 3-chloro-N 1 -(2-methyl-4-heptafluoroisopropylphenyl)-N 2 - (1-Methyl-1-cyanoethyl)phthalamide. The insecticidal and fungicidal composition provided by the invention is suitable for controlling rice seedling pests and diseases.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to an insecticidal and fungicidal composition that can be used in paddy fields. Background technique [0002] In rice cultivation, rice seedling raising and seedling stage are very important. In the early spring of our country, the temperature is very unstable. When the rice seedlings encounter low temperature weather, flooding, etc., the rice seedlings often rot. After investigation, the main cause of rotten seedlings is blight, bacterial wilt and so on. At the same time, bakanae disease often occurs at the seedling stage of rice, seriously affecting the normal growth of rice. In addition, rice seedling raising and seedling stages coincide with the egg-laying and hatching stages of overwintering Chilo borer adults, and the larvae will also infect and harm rice. At present, my country is in the stage of rapid development of cooperative organizations such as large grain growe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01P7/04A01P3/00A01P1/00A01N37/46
Inventor 邢家华朱冰春许勇华袁静陈杰孔小林胡冬松刘燕君郁季平岑江杰
Owner ZHEJIANG RES INST OF CHEM IND CO LTD
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