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Fungicide composition containing jingangmycin and cuprous oxide and preparation method thereof

A technology of fungicide composition and cuprous oxide, which is applied in the direction of fungicides, botany equipment and methods, biocides, etc., can solve problems such as the impact on crop safety, and achieve simple production, cost reduction, and good environmental compatibility Effect

Inactive Publication Date: 2012-02-15
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the content of cuprous oxide is high, it will affect the safety of crops

Method used

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  • Fungicide composition containing jingangmycin and cuprous oxide and preparation method thereof
  • Fungicide composition containing jingangmycin and cuprous oxide and preparation method thereof
  • Fungicide composition containing jingangmycin and cuprous oxide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] In order to clarify the virulence effect and optimal ratio of Jinggangmycin and cuprous oxide on rice sheath blight and rice false smut, different ratios of Jinggangmycin and cuprous oxide on rice sheath blight and rice false smut were tested. Indoor toxicity determination and formula screening test, according to the weight percentage in the table is made into the corresponding concentration, indoor treatment test, to determine the co-toxicity coefficient, the test results are reported as follows:

[0016] Table 1 Inhibitory effects of pesticides on the mycelia growth of rice sheath blight

[0017] Drug name Virulence regression equation EC 50 (PPm) CTC Jinggangmycin Y=3.7116+0.9329X 24.05 Cuprous oxide Y=1.4142+1.3025X 566.26 Jinggangmycin: cuprous oxide (7:13) Y=1.9064+1.3537X 221.51 143.71 Jinggangmycin: cuprous oxide (6:14) Y=1.9896+1.2868X 218.50 166.82 Jinggangmycin: cuprous oxide (5:15) Y=2.0466+1.26...

Embodiment 2

[0021] Example 2 20% Jinggangmycin·Cuprous Oxide WP

[0022] Jinggangmycin 5%

[0023] Cuprous oxide 15%

[0024] NNO (dispersant) 3%

[0025] Sodium lignosulfonate (dispersant) 7%

[0026] Sodium alkylbenzene sulfonate (dispersant) 1%

[0027] Silica (filler) 69%

[0028] Weigh the material according to the above weight ratio, add each material successively under stirring, after being pulverized by an airflow mill and then stir and mix uniformly, the product is obtained, and the field drug efficacy test of preventing and treating rice sheath blight and rice false smut is carried out, and the drug effect is better. The highest control effect on rice sheath blight is 89%, and the highest control effect on rice false smut is 92%.

[0029] Table 3 Control effect of 20% Jinggangmycin·Cuprous Oxide wettable powder on rice sheath blight (%)

[0030]

[0031] Table 4 Control effect of 20% Jinggangmycin·Cuprous Oxide wettable powder on rice false smut (%)

[0032]

Embodiment 3

[0033] Example 3 20% Jinggangmycin·Cuprous Oxide Suspension Concentrate

[0034] Jinggangmycin 5%

[0035] Cuprous oxide 15%

[0036] Nonylphenol ethoxylate (NP-9) (dispersion wetting agent) 8%

[0037] Propylene glycol (antifreeze) 1%

[0038] Xanthan gum (thickener) 1%

[0039] Silicone defoamer (SAG612) 2%

[0040] Water (filler) 78%

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Abstract

The invention discloses a fungicide composition containing jingangmycin and cuprous oxide and a preparation method thereof. The composition contains effective components, namely 2-25 percent of jingangmycin, 1-25 percent of cuprous oxide, an addition agent and filler. The raw materials are added in an enamel stirred tank, uniformly mixed and subjected to fluid energy milling or grinding to obtain the fungicide composition which is in a wettable powder or suspension agent shape and contains the jingangmycin and the cuprous oxide. The jingangmycin and the cuprous oxide are compounded for use, and thus the fungicide composition has low toxicity, low residue and low cost as well as characteristics of non-polluted control and is a perfect pesticide variety for controlling main diseases such as rice sheath blight disease, rice false smut and the like.

Description

technical field [0001] The invention relates to the technical field of fungicide production. Background technique [0002] Rice diseases, especially sheath blight and rice false smut are important causes of damage to rice production, and there is currently a lack of effective pesticides for the control of rice false smut. At the same time, the realization of pollution-free control of rice diseases is also the development direction and struggle in the field of agricultural plant protection. Target. In recent years, although the state has explicitly banned the use of highly toxic pesticides on rice, it is still common to use highly toxic and high-residue pesticides in the actual agricultural production process due to the lack of efficient disease control agents. Therefore, research and development of high-efficiency, low-toxic New pesticides with low residues and low residues are an inevitable development trend. [0003] Jingangmycin is a water-soluble antibiotic-glucoside c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/20A01N43/16A01N25/14A01N25/04A01P3/00
Inventor 孙红军南艳徐开云童振祥徐国香何昭君杭丛莉
Owner JIANGSU DONGBAO AGROCHEM
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