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Compound composition and fungicide containing toxic fluorophosphorus and carbamate fungicides

A carbamate and carbamate compound composition technology, which is applied in the field of pesticides, can solve the problem of no discovery of the compound composition of poison fluorophos and carbamate fungicides, and achieve the effect of reducing the amount of use

Active Publication Date: 2017-06-06
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] After searching, no related reports were found on the compound composition of hexafluorophos and carbamate fungicides

Method used

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  • Compound composition and fungicide containing toxic fluorophosphorus and carbamate fungicides
  • Compound composition and fungicide containing toxic fluorophosphorus and carbamate fungicides
  • Compound composition and fungicide containing toxic fluorophosphorus and carbamate fungicides

Examples

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Effect test

preparation example Construction

[0033] 1. Preparation of wettable powder

[0034]

[0035]

[0036] Preparation process: According to the formulation proportions of the above-mentioned embodiments, the components are uniformly mixed, pulverized and mixed by a pulverizer, and the wettable powder of the fungicide of the present invention is obtained.

[0037] 2. Preparation of water dispersible granules

[0038]

[0039] Preparation process: According to the formula proportions of the above-mentioned embodiments, mix the components evenly, pulverize them with an airflow mill, stir for 30 minutes, add to the fluidized bed to granulate after kneading, then dry and sieve to obtain the fungicide of the present invention water dispersible granules.

[0040] 3. Preparation of suspending agent

[0041]

[0042] Preparation process: According to the formula proportions of the above-mentioned examples, grind phosphine, carbamate fungicides (referred to as component B), additives, and water in a sand mill....

Embodiment 2

[0066] Test method: Mycelia growth rate method was adopted. After melting the culture medium, cool it down to about 45°C, prepare culture medium with drug content of 1, 10, 100, and 1000 μg / ml respectively, shake well and pour it into a sterilized culture dish with a diameter of 9 cm. Dish 10ml. Use a hole punch with a diameter of 5 mm to punch out the activated bacteria cake for the test, insert it into the center of the medium plate containing the medicine, and place it in a constant temperature incubator at 28°C. After culturing for 5 days, the control culture dish was just covered with hyphae, and the diameter of the colony was measured by the cross method, and the relative inhibition rate of the mycelium was calculated. Relative inhibition rate (%)=(average diameter of control colonies-average diameter of treated colonies) / average diameter of control colonies×100. Each treatment was repeated 4 times, and the sterile water instead of pesticide treatment was used as the c...

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PUM

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Abstract

The invention provides a compound composition containing Dufulin and carbamates, and a bactericide thereof. The compound composition contains Dufulin and carbamates, and a weight ratio of Dufulin to carbamates is 50:1-1:80. The compound composition containing Dufulin and carbamates accounts for 0.1-80% of the total weight of the bactericide. The dosage form of the bactericide provided by the invention is a wettable powder, a water dispersible granule, a seed treatment dry powder, a suspension, a suspension seed coating agent, an ultralow-volume liquid or a granule. The compound composition controls crop diseases in a certain ratio, has obvious synergistic effects, has obviously better crop disease control effect than single doses, and also has the advantages of control spectrum enlargement, delaying of the drug resistance, reduction of the use amount and application frequency of single doses, and protection of ecologic environment.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a compound composition containing toxic fluorophosphorus and carbamate fungicides and the fungicide. Background technique [0002] With the change of climate and environment, the resistance of plant diseases to pesticides is strengthened. If a single pesticide variety is still used to prevent and control crop diseases, the control effect obtained is very unsatisfactory. Even if the dosage of the medicament is increased, the disease prevention effect cannot be improved, which not only wastes the medicament, but also increases the pressure on the environment. In order to improve the control effect of pesticides, the most commonly used method at present is to use two different types of pesticides for reasonable compounding, and to screen out the optimal compounding ratio. After the active ingredients of different pesticides are compounded, they will show three types of effects: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/24A01P3/00A01N47/12A01N47/20
Inventor 刘玉生黄凤玲李卫国
Owner GAUNGXI TIANYUAN BIOCHEM