Bactericidal composition containing iprodione

A composition, the technology of isobactil, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of easy generation of drug resistance, single action site, etc., to reduce drug dosage, reduce pollution, and delay drug resistance. Effect

Inactive Publication Date: 2009-12-09
SHENZHEN NOPOSION AGROCHEM
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  • Description
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Problems solved by technology

However, due to the single site of actio

Method used

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  • Bactericidal composition containing iprodione
  • Bactericidal composition containing iprodione

Examples

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Effect test

example 1

[0017] Bioassay Example 1: Indoor Toxicity Test of Iprodione 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, about 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 cl...

example 2

[0024] Biological Assay Example 2: Indoor Toxicity Determination of Iprodione and Azoxystrobin Compound to Cucumber 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. Cucumber Botrytis cinerea was cultivated with PDA medium. When the bacterial colony was just overgrown with 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

[0029] The mycelial growth rate was converted into a probability value (y), and the concentration of the drug solution (μg / ml) was converted into a logarithmic value (x), and the toxicity equation and the inhibitory medium 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. Statistical analysis method is the same as biological assay example 1. The results of the toxicity test are shown in Table 2. Bioassay Example 3: Indoor Toxicity Determination of Iprodione and Trifloxystrobin Compound on Apple Spotted Deciduous

[0030] Test object: Apple spot defoliation fungus collected from the field

[0031] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. The test method is the same as the biological assay example 2. The results of the toxicity test are shown in Table 3.

[0032...

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Abstract

The invention relates to a bactericidal composition. The effective components of the composition comprise (A) iprodione and (B) methoxyl acrylic ester bactericide comprising kresoxim-methyl, azoxystrobin, trifloxystrobin, enestroburin, alkene oxime amine, and the like; the mass proportion of the A to the B is 50:1-1:50, preferably 20:1-1:10; and the balance is auxiliary components which are allowable to be used in pesticide and can be acceptable. The composition can be prepared into any one dosage form applicable in agriculture by using a known method, preferably, the dosage form is wettable powder, cream, suspension, water dispersible granules, water emulsion or micro emulsion. The iprodione and the methoxyl acrylic ester bactericide after compounding have obvious synergy, and are mainly used for controlling diseases on crops such as vegetables, fruit trees, wheat, and the like.

Description

technical field [0001] The invention relates to a fungicidal composition, especially a composition containing iprodione and methoxyacrylate fungicides, which is mainly used for disease control of vegetables, fruit trees, wheat and other crops. Background technique [0002] In recent years, due to single drug use and unscientific drug use, many pathogenic bacteria have developed resistance to the currently used pesticides, such as powdery mildew and botrytis cinerea, which are very common and have become a major problem in chemical control. In areas where certain diseases occur seriously, conventional pesticides alone are difficult to prevent and control, and the effect is very poor, which seriously affects the high yield of grain. Due to the resistance of the bacteria, the frequent application of pesticides by farmers has increased the burden and environmental pollution. Therefore, there is an urgent need for new varieties of fungicides with high efficiency, low toxicity, s...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N43/54A01N37/50A01P3/00
Inventor 刘胜召张洪殷如龙张承来曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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