Ultralow-volume liquid containing dinotefuran and epoxiconazole
An ultra-low-capacity liquid agent, the technology of epoxiconazole, which is applied in the field of pesticides, can solve the problems of insect resistance, food and environmental pollution, etc., and achieve the effects of improving the utilization rate of pesticides, long-lasting effects, and reducing environmental pollution
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Embodiment 1
[0027] Example 1: 10% dinotefuran·econazole ultra-low volume liquid.
[0028]
[0029] Preparation process: In a mixing kettle with a stirrer, first use N-methylpyrrolidone and n-octanol to stir and dissolve dinotefuran and epoxiconazole, then add surfactant and the remaining solvent castor oil, fully stir and mix evenly , to obtain the ultra-low volume spray containing dinotefuran and epoxiconazole; the process parameters are: the stirring speed is controlled at 100-250 rpm, the stirring time is 20-60 minutes, the temperature is normal temperature, and the pressure is normal pressure.
[0030] The prepared ultra-low-capacity liquid containing dinotefuran and epoxiconazole is a uniform oily liquid; it has good low-temperature compatibility, and no crystals and suspended solids are precipitated at -5°C for 7 days in refrigeration; low volatility, filter paper As a result of the suspension test, the volatilization rate is less than 30%; it is safe to plants and has no phytoto...
Embodiment 2
[0031] Example 2: 20% dinotefuran·econazole ultra-low volume liquid formulation.
[0032]
[0033] Preparation process: In a mixing tank with a stirrer, first use N,N-dimethylformamide and n-octanol to stir and dissolve dinotefuran and epoxiconazole, then add surfactant and the remaining solvent castor oil, Thoroughly stir and mix evenly to obtain the ultra-low volume spray containing dinotefuran and epoxiconazole; the process parameters are: the stirring speed is controlled at 100-250 rpm, the stirring time is 20-60 minutes, the temperature is normal temperature, and the pressure is Atmospheric pressure.
[0034] The prepared ultra-low-capacity liquid containing dinotefuran and epoxiconazole is a uniform oily liquid; it has good low-temperature compatibility, and no crystals and suspended solids are precipitated at -5°C for 7 days in refrigeration; low volatility, filter paper As a result of the suspension test, the volatilization rate is less than 30%; it is safe to plan...
Embodiment 3
[0035] Embodiment 3: Control efficacy test of wheat aphid and wheat powdery mildew.
[0036] The beneficial effects of the present invention will be further described below in conjunction with the results of field drug efficacy assays carried out using the embodiments of the present invention.
[0037] Control object: rice planthopper, rice blast
[0038] Test location: Yueyang City, Hunan Province
[0039] Test agents: Examples 1 and 2, ultra-low volume spray
[0040] Application rate: 90g.a.i. / hm 2
[0041] Control agent: 20% dinotefuran soluble granule, 12.5% epoxiconazole suspension preparation, the dosage per mu is 16g, diluted with water to 30L for conventional spraying.
[0042]Table 1. Field efficacy test results for controlling rice planthopper.
[0043]
[0044] It can be seen from Table 1 that the ultra-low-capacity liquid agent of the present invention has better quick-acting effect, better control effect and longer lasting effect period than the conventi...
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Abstract
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