Agrochemical composition, bactericide for agricultural and horticultural use, and method for controlling plant disease

A technology for a pesticide composition and a fungicide composition, applied in the field of pesticide compositions, can solve the problems of insufficient control effect of the control agent, toxicity to humans, animals and fish, limited use, etc., and achieve the effect of excellent control effect and high control effect.

Active Publication Date: 2013-06-26
NIPPON SODA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control effect of the control agent of Patent Document 2 is also insufficient, or its use is limited due to the occurrence of drug-resistant pathogenic bacteria, or it produces phytotoxicity and pollution to plants, or there is toxicity to humans, livestock and fish, and it is harmful to The impact of the environment, etc., so there are many insecticides that are difficult to say are satisfactory

Method used

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  • Agrochemical composition, bactericide for agricultural and horticultural use, and method for controlling plant disease
  • Agrochemical composition, bactericide for agricultural and horticultural use, and method for controlling plant disease
  • Agrochemical composition, bactericide for agricultural and horticultural use, and method for controlling plant disease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0159]To 18.6 parts by weight of kaolinite clay, 3.0 parts by weight of a 1:1 (weight ratio) mixture (FPP-03102, manufactured by Nippon Emulsifier Co., Ltd.) of polyoxyethylene tristyryl phenyl ether and precipitated silica, 1.0 parts by weight of polycarboxylate (Newkalgen-WG-5, manufactured by Takemoto Oil Co., Ltd.), 36.7 parts by weight of thiophanate-methyl (TOD-019P, manufactured by Nippon Soda Co., Ltd.) and 40.7 parts by weight of tricyclazole. type mixer (1000W×3000L, 3.8m 3 , 7.5kw, manufactured by NISSO ENGINEERING Co., Ltd.) and mixed for 60 minutes.

[0160] The obtained mixture was pulverized with a high-speed impact pulverizer (Contraplex 250CW, main body side: 11200 rpm, door side: 2800 rpm, pulverization capacity: about 180 kg / hr, manufactured by Hosokawa Micron Co., Ltd.). Then, the pulverized material was again mixed with a ribbon mixer (1150W×3500L, 4.0m 3 , 5.5kw, manufactured by NISSO ENGINEERING Co., Ltd.) for mixing.

[0161] The obtained mixture is ...

Embodiment 2

[0212] After dissolving thiophanate-methyl and tricyclazole in DMF (added with 1.5% Tween20) at the ratio shown in Table 5, adjust to the concentration shown in Table 5 with deionized water added with 0.02% Tween20 to prepare liquid medicine.

[0213] Use the perfume nozzle to scatter enough above-mentioned medicinal liquid to the rice pot whole body of about 3.5 leaf age stage, after medicinal liquid air-dries, to strain whole body spray inoculation rice blast fungus spore (test bacterial strain: Pyriculariaoryzae Po-5 strain) suspension (approximately 5×10 4 cells / ml), and stood in a humid room condition (acrylic box) in a constant temperature room at 23°C. After about 20 hours, the lid of the box was opened, and it was left still in a dry state in the thermostatic chamber. After 7 days or 8 days after inoculation, check the number of lesion spots on the third leaf or the fourth leaf that fully expanded the leaves at the time of inoculation, and calculate the control effec...

Embodiment 3

[0218] After dissolving thiophanate and tricyclazole in DMSO at the ratios shown in Tables 6 to 7, the obtained solutions were dissolved in PDA medium so as to have the concentrations shown in Tables 6 to 7 to prepare agar plates. After preparing the agar plate, a colony disc (diameter 4 mm) of the Pyricularia oryzae Po-5 strain was cultured in a bed. After standing at 20° C. for 10 days, the diameter of the flora was measured, and the mycelial growth inhibition rate was obtained. The results are shown in Tables 6-7. As shown in Tables 6 and 7, the result was obtained that the mycelial growth inhibition rate of the treated area using the agar plate (chemical solution) containing thiophanate-methyl and tricyclazole was greater than the theoretical value of Colby.

[0219] [Table 6]

[0220]

[0221] [Table 7]

[0222]

[0223] From the above results, it was found that a synergistic effect can be obtained by using thiophanate-methyl and tricyclazole in combination.

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Abstract

Disclosed is an agrochemical composition characterized by containing (1) a polyoxyalkylene aryl ether, (2) a polycarboxylic acid salt, and (3) an agrochemical active ingredient. Also disclosed is a bactericide composition for agricultural and horticultural use, which is characterized by containing thiophanate methyl and tricyclazole as agrochemical active ingredients. Further disclosed is a method for controlling plant disease, which uses the bactericide composition for agricultural and horticultural use.

Description

technical field [0001] The present invention relates to an agrochemical composition containing two specific surfactants and an agrochemical active ingredient. Also, the present invention relates to an agricultural and horticultural fungicide composition containing thiophanate-methyl and tricyclazole as active ingredients and a method for controlling plant diseases. [0002] This application claims priority based on Japanese Patent Application No. 2007-204222 for which it applied in Japan on August 6, 2007, and Japanese Patent Application No. 2007-204224 for which it applied in Japan on August 6, 2007, and uses the content here. Background technique [0003] Conventionally, various agrochemical compositions have been used for the control of weeds and harmful organisms in the cultivation of agricultural and horticultural crops. A pesticide composition usually contains a pesticide active ingredient and a surface active ingredient for stabilizing and enhancing the effectiveness...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/30A01N43/90A01N47/34A01P3/00
CPCA01N47/24A01N43/90
Inventor 村桥一彦一色淳宪
Owner NIPPON SODA CO LTD
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