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Fluquinconazole-based synergistic pesticide composition

A pesticide composition, the technology of fluquinazole, applied in the field of pesticides, can solve the problems of easy resistance of bacteria and high cost of use, and achieve the effects of improving the control effect, reducing the amount of medication, and reducing costs

Active Publication Date: 2010-06-30
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a pesticide composition, aiming to solve the current problem of high cost of single-dose pesticide use and easy resistance of pathogens

Method used

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  • Fluquinconazole-based synergistic pesticide composition
  • Fluquinconazole-based synergistic pesticide composition
  • Fluquinconazole-based synergistic pesticide composition

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] Biological Assay Example 1: Indoor Toxicity Determination of Fluquinazole and Kresoxim-methyl Compound of Pear Scab

[0029] Test object: pear scab (collected from the field and separated and purified)

[0030] Test method: spore germination method. The pear scab was isolated from lesions collected from fresh fruits in the field. The fungus was continuously cultured on PDA medium in an incubator at 25°C for three times for purification, and then inoculated into PDB liquid medium to cultivate spores. The cultured pear scab spores were filtered with gauze to remove the hyphae, and then prepared into 4 × 10 with sterile water 5 spores / ml suspension. Dilute the test agent to the corresponding concentration, and mix it with the spore suspension of pear scab 2 mL plus 2 mL, and use 2 mL of sterile water plus 2 mL of the spore suspension as the blank control. Place them in a 24°C incubator for culture, check the spore germination rate after 15 hours, and calculate the relat...

example 2

[0041] Bioassay Example 2: Indoor Toxicity Determination of Fluquinazole and Enoxostrobin Compound on Apple Spotted Deciduous

[0042] Test object: Apple spotted leaf deciduous bacteria (collected from the field, and separated and purified)

[0043] Test method: mycelial growth rate method. Cultivate the bacterium Leptosphaeria spp. with PDA medium, and when the colonies just cover the petri dish, punch holes from the edge with a puncher with an inner diameter of 7 mm, and the resulting mycelium block is used as an inoculum. Take 5 mL of the prepared drug solution and mix them with quantitative 75 mL of sterilized medium to make 4 drug-containing plates, and use the same amount of sterile water mixed with the medium as a control. The mycelium block was placed upside down and placed in the center of the plate, and cultured in a 28°C incubator. After 7 days, the diameter of the colony was measured by the cross method, and the net growth of the colony and the inhibition rate of...

example 1

[0046] The mycelial growth inhibition rate was converted into a probability value (y), the concentration of the drug solution (μg / ml) was converted into a logarithmic value (x), and the toxicity equation and the inhibition concentration EC were calculated by the least square method 50 According to Sun Yunpei's method, the toxicity index and co-toxicity coefficient (CTC) of the drug were calculated. The calculation method is the same as the biological assay example 1. The results of the toxicity test are shown in Table 2.

[0047] The measurement results showed that the ratio of fluquinazole and erythoxystrobin between 40:1~1:50 had a synergistic effect on the apple spotted deciduous fungus, especially between 10:1~1:15, the synergistic effect Obviously, the co-toxicity coefficient is above 170.

[0048]Table 2 Indoor toxicity test results of fluquinazole and erythoxystrobin compound against apple spotted leaf deciduous

[0049] deal with

[0050] deal wit...

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Abstract

The invention relates to a fluquinconazole-based synergistic pesticide composition, which consists of fluquinconazole (A), and (B) one of strobilurins fungicide kresoxim-methyl, trifloxystrobin, enestroburin, syp 1620, ZJ0712 and pyraclostrobin, and auxiliary components which are beneficial to stabilizing active components and playing pesticide effect. The composition can be prepared to wettable powder, missible oil, suspending agent, emulsion in water, microemulsion and water dispersible granules by known method and process, can be used for controlling multiple plant diseases, and has the advantages of wide control spectrum, good effect, low cost and the like.

Description

Technical field [0001] The invention belongs to the technical field of pesticides and relates to a pesticide composition, particularly a synergistic pesticide composition containing fluoroquinazole. Background technique [0002] In the actual process of agricultural production, chemical control is the main effective means to prevent and control diseases. However, in recent years, due to single-use pesticides and other unscientific methods of use, a variety of pathogenic bacteria, such as powdery mildew and anthracnose, have become resistant to currently used pesticides. However, if some of the current highly effective drugs are used alone for a long time, they also face the risk of developing drug resistance. [0003] Fluquinconazole is a triazole fungicide with systemic, protective and therapeutic effects. Its structural formula is as follows: [0004] The mechanism of action of fluquinazole is a sterol demethylation inhibitor, which destroys and prevents the biosynthes...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N37/50A01N37/36A01N47/24A01P3/00
Inventor 刘胜召张承来殷如龙曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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