A pesticide composition containing azoxystrobin and boscalid, its preparation method and use

The technology of a pesticide composition, boscalid, is applied in the field of prevention and treatment of tobacco leaf mold rot during the curing period. It can solve the problems of tobacco leaf curing failure in the whole curing room, reduce the humidity of the curing room, and economic losses, and reduce the potential risk of drug resistance , Good control effect, pollution reduction effect

Active Publication Date: 2021-04-02
GUIZHOU TOBACCO SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese Patent Publication No. CN103404962A discloses a method for preventing tobacco leaves from rotting during the curing process of tobacco leaves, emphasizing that the humidity in the curing barn should be appropriately reduced by changing the wind direction, but no specific operation method is proposed to reduce the humidity in the barn
Once the operation is improper, it will lead to the failure of tobacco leaf curing in the whole curing room, causing serious economic losses

Method used

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  • A pesticide composition containing azoxystrobin and boscalid, its preparation method and use

Examples

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Effect test

Embodiment 1

[0018] A preparation method of a pesticide composition containing azoxystrobin and boscalid, comprising the following steps:

[0019] (1) the mass concentration of 90% azoxystrobin and mass concentration of 85% boscalid former drug with methanol were respectively made into 1 × 10 4 mg / L mother solution, stored at 4°C for later use;

[0020] (2) Use 0.1% Tween 20 to prepare the above mother liquor into a liquid medicine containing 120 mg / L of azoxystrobin and a liquid medicine containing 180 mg / L of boscalid;

[0021] (3) Mix equal volumes of the azoxystrobin liquid and boscalid liquid to form a composition containing 60 mg / L of azoxystrobin and 90 mg / L of boscalid.

Embodiment 2

[0023] A preparation method of a pesticide composition containing azoxystrobin and boscalid, comprising the following steps:

[0024] (1) 90% mass concentration of azoxystrobin and mass concentration of 85% boscalid former drug with methanol were respectively made into 1 × 10 4 mg / L mother solution, stored at 4°C for later use.

[0025] (2) Use 0.1% Tween 20 to prepare the above mother liquor into a drug solution containing 150 mg / L of azoxystrobin and a drug solution containing 100 mg / L of boscalid.

[0026] (3) The above-mentioned azoxystrobin liquid and boscalid liquid were mixed in equal volumes, and the prepared composition contained 75 mg / L of azoxystrobin and 50 mg / L of boscalid.

Embodiment 3

[0028] A preparation method of a pesticide composition containing azoxystrobin and boscalid, comprising the following steps:

[0029] (1) 90% mass concentration of azoxystrobin and mass concentration of 85% boscalid former drug with methanol were respectively made into 1 × 10 4 mg / L mother solution, stored at 4°C for later use.

[0030] (2) Use 0.1% Tween 20 to prepare the above mother liquor into a drug solution containing 80 mg / L of azoxystrobin and a drug solution containing 200 mg / L of boscalid.

[0031] (3) The above-mentioned azoxystrobin liquid and boscalid liquid were mixed in equal volumes, and the prepared composition contained 40 mg / L of azoxystrobin and 100 mg / L of boscalid.

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Abstract

The invention relates to pesticidal composition containing an azoxystrobin and boscalid and a preparation method and the application thereof. The preparation method comprises the following steps: respectively preparing raw azoxystrobin with the mass concentration of 90% and raw boscalid with the mass concentration of 85% into 1*10<4>mg / L of mother solutions by using methanol, and storing at the low temperature of 4 DEG C; preparing the azoxystrobin mother solution into a pesticide solution containing 40-300mg / L of the azoxystrobin by using Tween 20 with the concentration of 0.1%, and preparingthe boscalid mother solution into a pesticide solution containing 100-400mg / L of the boscalid by using the Tween 20 with the concentration of 0.1%; mixing the pesticide solution containing 40-300mg / Lof the azoxystrobin and the pesticide solution containing 100-400mg / L of the boscalid according to an equal volume to obtain the composition containing 20-150mg / L of the azoxystrobin and 50-200 mg / Lof the boscalid. The pesticidal composition can control mildewed rot of tobacco leaves in a curing period and is strong in bactericidal activity and environment-friendly.

Description

technical field [0001] The present invention relates to the field of biotechnology, in particular to a pesticide composition containing azoxystrobin and boscalid, a method for preparing the pesticide composition containing azoxystrobin and boscalid, and also to the pesticide composition containing The application of the pesticide composition of azoxystrobin and boscalid in the prevention and treatment of tobacco leaf mold rot during the curing period. Background technique [0002] Tobaccopole rot, caused by Rhizopus oryzae Went et Pr.Geerl., is a fungal disease that easily occurs during the curing period of tobacco. It mainly occurs during the yellowing stage of tobacco leaves, and white hyphae usually appear at the base of the stem , quickly produce black spores and further spread the damage. In the process of tobacco leaf curing in intensive curing barns, the space is small, the temperature is high, the humidity is high, and the air flow is fast, which is conducive to the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N43/40A01P3/00A01P1/00
CPCA01N43/40A01N43/54
Inventor 汪汉成陈乾丽李文红马骏蔡刘体张之矾陈兴江向立刚谢红炼刘畅
Owner GUIZHOU TOBACCO SCI RES INST
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