A kind of pesticide composition containing sterenol and prothiazole
The technology of a pesticide composition and prothiazole, which is applied in the field of pesticide composition and its application, can solve the problems that crop virus diseases are prone to produce drug resistance and control effects, and achieve the goal of delaying virus drug resistance, reducing the cost of use, and reducing the amount of use Effect
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Embodiment 5
[0026] Formulation Example 5: 80% sterenol·prothiozole water-dispersible granules.
[0027] Stenol 78%, Prothiazole 2%, Pull Open Powder BX 5%, Naphthalene Sulfonate Formaldehyde Condensate Sodium Salt 3%, Polycarboxylate 2%, Succinic Acid 2%, Sodium Carboxymethyl Cellulose 1 %, light calcium carbonate makes up 100%. Mix the above-mentioned effective ingredients, wetting agent, dispersant, disintegrant, binder and filler uniformly, pulverize with an ultra-fine jet mill, knead, and then add to a fluidized bed granulation dryer for granulation, drying, Sieve to obtain 80% sterenol·prothiozole water-dispersible granules.
[0028] Formulation example 6: 70% sterenol · prothiazole wettable powder.
[0029] Stenol 5%, Prothiazole 65%, Sodium Dodecyl Benzene Sulfonate 10%, Pull Open Powder BX 5%, Fatty Amine Polyoxyethylene Ether 5%, Clay 2%, Light Calcium Carbonate Supplement 100% . The above-mentioned active ingredients, wetting agent, dispersant and filler are mixed, mechanica...
Embodiment 1
[0030] Biological Assay Example 1: Indoor Combined Virulence Assay Test on Tobacco Mosaic Virus Disease.
[0031] Indoor potted tobacco susceptible plants are planted to the 4-5 leaf stage, mixed with different ratios and different concentrations of the drug solution and mixed with equal volumes of virus juice for friction inoculation, 3 plants for each treatment, 3 leaves for each plant, repeated 4 times, 3- After 4 days, investigate the number of dry spots, calculate the inhibition rate, and use EC 50 The co-toxicity coefficient (CTC) was calculated according to Sun Yunpei's method, and the measurement results are shown in Table 1.
[0032] Table 1. Results of indoor joint toxicity test of sterenol and prothiol against tobacco mosaic virus disease
[0033] Drug name and proportion (weight ratio)
[0034] Stenol: Prothiol (10:1)
[0035] As can be seen from Table 1, when sterenol and prothiol are compounded in the range of 40:1 to 1:40 (by weight), the co...
Embodiment 2
[0036] Biological Assay Example 2: Field Drug Efficacy Test for Controlling Tobacco Mosaic Virus Disease.
[0037] Test agent: 30% sterenol · prothiazole suspension concentrate (25% sterenol: 5% prothiazole)
[0038] Control drug: 10% prothiol suspension, 1% sterol water
[0039] Spraying period: Spray for the first time 15-20 days after tobacco transplanting, and spray again at intervals of 7 days, total of 3 times of spraying.
[0040] Application method: Spray evenly with water.
[0041] Survey method: 7 days, 14 days and 21 days after the 3 sprayings, respectively. Sampling was carried out at 5 points in each plot, and all leaves of 10 tobacco plants were surveyed at each point, graded according to relevant data survey standards, and the disease index was calculated to calculate the control effect.
[0042] Result of the test is shown in Table 2; As can be seen from the result of the test, 30% sterenol prothiazole suspension concentrate of the present invention uses act...
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