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Seed-treating agricultural chemical

An agrochemical and seed treatment technology, applied in the field of pesticides, can solve the problems of different control spectrum, large dosage, and no bactericidal effect.

Inactive Publication Date: 2017-06-30
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tefluthrin is a pyrethroid insecticide that can well control Coleoptera, Lepidoptera and some Diptera pests that inhabit the soil. The existing technology shows that tefluthrin does not have a bactericidal effect , has no control effect on crop diseases
[0008] Pyraclostrobin, fludioxonil, and tefluthrin have different mechanisms of action, and their control spectrums are not the same. Single-dose use is likely to produce drug resistance. The dosage is increasing, and the control spectrum is narrow, which cannot meet the actual needs. , the dual use of fludioxonil and pyraclostrobin, fludioxonil and tefluthrin, pyraclostrobin and fludioxonil binary mixture also has similar problems to single agent use alone, although it has been improved, so in To a certain extent, there is an urgent need for the emergence of new compound agrochemicals

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment one: combined action determination

[0038] Colby's equation is used to determine the desired effect of a mixture on a target (Colby, S.R. Weeds 1967, 15, 20-22. Calculation of the synergistic and antagonistic response of herbicide combinations):

[0039] The following equation was used to calculate the expected activity of a mixture containing the two active ingredients A and B:

[0040]

[0041] In the formula:

[0042] A = efficacy of active ingredient A at the same concentration observed for the mixture;

[0043] B = efficacy of active ingredient B at the same concentration observed for the mixture.

[0044] When the actual observed value of the activity of the mixture used is greater than the expected value, the mixture behaves

[0045] It has an unexpected synergistic or synergistic effect on the target disease.

[0046] Obs - Observed percent control.

[0047] Percentage control predicted by the Exp-Colby equation.

[0048] g a.i. / 100 kg see...

Embodiment 2

[0062] Embodiment two: preparation embodiment

[0063] Formulation A: 5% pyraclostrobin 5% fludioxonil 10% tefluthrin seed treatment dry mix powder

[0064] pyraclostrobin 5%, fludioxonil 5%, tefluthrin 10%, sodium lauryl sulfate 6%, sodium lignosulfonate 4%, diatomaceous earth 2%, kaolin to 100%; Add the above materials together into a conical mixer and mix them evenly, and then pulverize them through a jet mill. The pulverized materials are then mixed through a conical mixer. Strostrobin · fludioxonil · tefluthrin seed treatment dry mixing powder.

[0065] Formulation B: 5% pyraclostrobin 5% fludioxonil 10% tefluthrin seed treatment dry mix powder

[0066] Pyraclostrobin 5%, Fludioxonil 5%, Tefluthrin 10%, 2-(Acetoxy) Sodium Benzoate 2.5%, Sodium Lauryl Sulfate 6%, Sodium Lignosulfonate 4% , diatomite 2%, kaolin to 100%; add the above materials together into the conical mixer and mix evenly, and then pulverize through the jet mill, and the pulverized materials are then mi...

Embodiment 3

[0073] Embodiment three: preparation application embodiment

[0074] Table 5 different pyraclostrobin, fludioxonil, tefluthrin seed treatment agrochemical treatment of peanut seeds (peanuts) 40 days after sowing on peanut white silkworm, peanut root rot, peanut stem rot, peanut The control effect of grub, preparation is selected from preparation C, preparation D, preparation E in embodiment two preparation examples.

[0075]

[0076] The data in Table 5 shows that the seed treatment of formulation D (adding 2-(acetoxy) sodium benzoate) and formulation E (adding sodium salicylate) with special auxiliary components is better than that without special auxiliary components. Formulation C.

[0077] Table 6 Different pyraclostrobin, fludioxonil, tefluthrin seed treatment agrochemical treatment of sugarcane tubers, potato tuber seeds 40 days after sowing on sugarcane red rot, potato black mole, potato late blight, potato early The prevention and control effect of epidemic diseas...

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Abstract

The invention relates to a pyraclostrobin-containing seed-treating agricultural chemical. The seed-treating agricultural chemical contains the following active components: a) pyraclostrobin, b) fludioxonil and c) tefluthrin, wherein the weight ratio of the pyraclostrobin, the fludioxonil and the tefluthrin is (0.1-30) (0.1-30):(0.1-30); the seed-treating agricultural chemical further contains pesticidal auxiliary agents, and if necessary, contains special auxiliary components; the dosage form of the seed-treating agricultural chemical can be one of a suspending agent, a seed coating agent and seed-treating dry-mixed powder; the seed-treating agricultural chemical can be used for controlling diseases and pests of crop seeds and / or roots, branches and leaves of plants grown from the seeds.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and specifically relates to a seed treatment agrochemical with pyraclostrobin, fludioxonil and tefluthrin as active ingredients. The agrochemical not only contains active ingredients pyraclostrobin, Fludioxonil, tefluthrin, and pesticide adjuvants. Background technique [0002] Tefluthrin, English name: tefluthrin, chemical name: 2,3,5,6-tetrafluoro-4-methylbenzyl (Z)-(1RS,3RS)-3-(2-chloro-2,3 ,3-trifluoropropyl)-2,2-dimethylcyclopropanecarboxylate. Tefluthrin is a pyrethroid insecticide that can well control Coleoptera, Lepidoptera and some Diptera pests that inhabit the soil. The existing technology shows that tefluthrin does not have a bactericidal effect , has no control effect on crop diseases. [0003] Fludioxonil, English name: fludioxonil, chemical name: 4-(2,2-difluoro-1,3-benzodioxol-4-yl)pyrrole-3-carbonitrile. Fludioxonil is a protective azole fungicide, which mainly inhibits t...

Claims

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Application Information

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IPC IPC(8): A01N53/06A01N47/24A01N43/36A01N37/40A01P3/00A01P7/04A01C1/06A01C1/08
CPCA01C1/06A01C1/08A01N37/40A01N43/36A01N47/24A01N53/00A01N2300/00
Inventor 王礼文吴泽伟陈佛祥张志伟朱刚
Owner GUANGDONG ZHONGXUN AGRI TECH
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