Bactericidal composition containing oxathiapiprolin and proquinazid

A technology of fluthiazopyridone and thiazopyridone is applied in the field of bactericidal compositions containing fluthiazopyridone and propoxyquin, and can solve the problem of fast generation of bacterial resistance, serious environmental pollution and large dosage of pharmaceuticals and other problems, to achieve the effect of good control effect, stable chemical properties, and delaying resistance problems.

Inactive Publication Date: 2020-07-03
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the disadvantages of the above-mentioned single fungicides, such as large amount of medicament, serious environmental pollution, and rapid development of germ resistance, the purpose of the present invention is to provide a kind of bactericide with reasonable components, significant synergistic effect, good bactericidal effect, and low drug cost. , an agricultural fungicidal composition that is not easy to produce drug resistance and is safe for crops

Method used

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  • Bactericidal composition containing oxathiapiprolin and proquinazid
  • Bactericidal composition containing oxathiapiprolin and proquinazid
  • Bactericidal composition containing oxathiapiprolin and proquinazid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 Indoor Toxicity Determination of Fluthiapiprofen and Propoxyquinoline to Wheat Powdery Mildew Test Object: Wheat Powdery Mildew Bacteria

[0020] The experiment was carried out in a potted plant method. After the wheat seeds were germinated, they were planted in sterilized soil cultivation pots and cultivated at room temperature. When the seedlings grow to the stage of 1 leaf and 1 heart, put them into the light incubator at 20°C, and cultivate them alternately in light and dark for 12 hours. Spray the fresh powdery mildew spore suspension on the spare wheat seedlings, 2 pots per treatment, 15 plants per pot. 72 hours after the inoculation, the drug was treated, and the disease index of each treatment was investigated before the drug, and the disease index was investigated every 5 days after the drug, and the control effect was calculated until all the controls were infected. , use DPS data processing software for statistical analysis, calculate the EC50 of e...

Embodiment 2

[0029] Example 2 Field control effect of fluthiapiprofen and propoxyquinoline on wheat powdery mildew

[0030] Test object: wheat powdery mildew; the test site is arranged in the wheat powdery mildew-prone area, arranged in random blocks, the area of ​​the plot is 25m2, and there are 4 repetitions. Sampling was done at 5 points in each plot, and 10 plants were investigated at each point, and the flag leaf and the first leaf under the flag leaf were investigated for each plant. The disease index of powdery mildew was investigated on the fixed plants before the medicine, and once 7 and 10 days after the medicine, and the investigation was carried out by grading. The grading standard was implemented according to the field efficacy test guidelines, and the control effect was calculated. The experimental results are shown in Table 2.

[0031] Test drug:

[0032] Drug 1: 39% fluthiazolidin·propoxyquinoline granule (fluthiazolidinone: propoxyquinoline=10:3)

[0033] Drug 2: 44% fl...

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Abstract

The invention discloses a bactericidal composition containing oxathiapiprolin and proquinazid. A weight ratio of oxathiapiprolin to proquinazid is 1: 10 to 10: 1. The bactericidal composition can be used for preventing and treating diseases of various crops, especially powdery mildew of wheat. The bactericidal composition disclosed by the invention has the advantages of high efficiency, small environmental pollution, capability of delaying generation of drug resistance of germs and the like.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a bactericidal composition containing thiazolidinone and propoxyquinoline. Background technique [0002] Powdery mildew is a common disease on crops, which can occur from seedlings to adult plants. It mainly damages leaves, and sometimes stems and petioles. At the beginning of the disease, small white spots appear on the leaves, which gradually expand, and finally can be connected into sheets, and the leaves are covered with a white powdery mold layer. In severe cases, the leaves gradually turn yellow and dry, and sometimes many black spots appear on the lesions. [0003] Fluthiapiprofen is the first piperidinylthiazoleisoxazoline fungicide developed by DuPont. It has a unique site of action on oomycete pathogens and achieves sterilization by inhibiting oxysterol-binding protein (OSBP) Effect. It has preventive, therapeutic and sporulation-inhibiting effects on pathogenic b...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/54A01P3/00A01P1/00
CPCA01N43/80A01N43/54
Inventor 金岩冯柏成邢立学殷培军徐晓莉
Owner QINGDAO UNIV OF SCI & TECH
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