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Bactericidal composition containing prochloraz

A composition, the technology of prochloraz, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of high agricultural cost, single action site, easy generation of drug resistance, etc., reducing dosage and delaying drug resistance. , improve the effect of prevention and control

Inactive Publication Date: 2009-12-09
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the single site of action, it is easy to produce drug resistance, and the cost of agricultural use is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Bioassay Example 1: Indoor Toxicity Test of Prochloraz and Kresoxim-methyl on Wheat Powdery Mildew

[0018] Test object: Wheat powdery mildew bacteria collected from the field

[0019] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006". Wheat powdery mildew diseased leaves collected from the field were evenly shaken off the conidia above the wheat seedlings for inoculation, and 24 hours later, they were treated with chemicals. See Table 1 for the test chemicals. Select wheat seedlings at the three-to-four-leaf stage with consistent growth potential, and select 3 pots of wheat seedlings for each treatment, and spray them with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Five concentration gradients were set for each drug. The same amount of water was sprayed as the blank control. After spraying, the wheat seedlings were put into the greenhouse for cultivation. After 7 days, according to the incidence classif...

example 2

[0024] Biological Assay Example 2: Indoor Toxicity Determination of Prochloraz and Azoxystrobin to Botrytis cinerea

[0025] Test object: Cucumber Botrytis cinerea collected from the field

[0026] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. Mycelium growth rate method. Cucumber Botrytis cinerea was cultivated with PDA medium, and when the colony was just full of the petri dish, a puncher with an inner diameter of 7 mm was punched from the edge, and the resulting mycelium block was 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. Put the hyphae upside down and connect them to the center of the plate, and culture them in a 28°C incubator. After 7 days, the colony diameter was measured by the cross method, and the n...

example 3

[0030] Bioassay Example 3: Indoor Toxicity Determination of Prochloraz and Ethoxystrobin Combined with Apple Spotted Deciduous

[0031] Test object: Apple spotted deciduous bacteria, collected from the field, purified and isolated indoors

[0032] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. The test method and statistical analysis method are the same as the biological assay example 2. The results of the toxicity test are shown in Table 3.

[0033] Table 1 Indoor toxicity test results of prochloraz and kresoxim-methyl on wheat powdery mildew

[0034] deal with

EC 50 (μg / mL)

ATI

TTI

Co-toxicity coefficient CTC

prochloraz

70.54

100.0

Kresoxim-methyl

14.50

486.5

Prochloraz 50: Kresoxim-1

53.28

132.4

107.6

123.1

Prochloraz 30: Kresoxim-1

42.31

166.7

112.5

148.2

...

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PUM

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Abstract

The invention relates to a bactericidal composition. The effective components of the composition comprise prochloraz and methoxyl acrylic ester bactericide comprising kresoxim-methyl, azoxystrobin, enestroburin, trifloxystrobin or alkene oxime amine; the mass proportion of the prochloraz to the methoxyl acrylic ester bactericide is 50:1-1:20, preferably 20:1-1:10; and the balance is auxiliary components which are allowable to be used in pesticide and can be acceptable. The prochloraz and the methoxyl acrylic ester bactericide after compounding have obvious synergy, and can be used for controlling diseases on crops such as wheat, rice, vegetables, fruits, and the like.

Description

Technical field [0001] The present invention relates to a bactericidal composition, particularly a composition containing prochloraz and methoxyacrylate bactericides. Background technique [0002] In recent years, due to single use of drugs and unscientific use of drugs, many pathogenic bacteria have become resistant to currently used pesticides. Drug resistance such as powdery mildew and gray mold is very common and has become a major problem in chemical control. As pathogenic bacteria develop resistance, farmers frequently apply pesticides, which increases the burden and environmental pollution. Therefore, there is an urgent need for new varieties of fungicides that are efficient, low-toxic, safe, and environmentally friendly. [0003] Prochloraz is a highly efficient, broad-spectrum, low-toxic fungicide that has multiple functions such as systemic conduction, prevention, protection and treatment. It works by inhibiting the biosynthesis of sterols and has a systemic cond...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N43/54A01N37/50A01P3/00
Inventor 刘胜召张洪张承来殷如龙孔建
Owner SHENZHEN NOPOSION AGROCHEM
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