Bactericidal composition containing benziothiazolinone and pyraoxystrobin and application
A technology of pyraclostrobin and thiamethoxam, which is applied in the direction of application, fungicide, biocide, etc., can solve the problems of intolerance to storage, affecting tree vigor, and rot, so as to achieve resistance, obvious synergy, and long-lasting effects
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Embodiment 1
[0028] Example 1 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against citrus canker
[0029] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on the pathogen of citrus canker. From the edge of the citrus canker disease cultured on PDA medium for 4 days, take mycelium pieces with a diameter of 5mm and inoculate them on PDA medium plates containing different concentrations of fungicides, and culture them at a constant temperature at 28°C. The plate without the agent is used as a blank control After 4 days, the colony diameter of each treatment was measured, and the percentage of inhibition of the growth of the mycelia was calculated. Through the regression analysis of the logarithm of each treatment dose and the probability value of mycelial growth inhibition rate, the inhibitory medium concentration (EC) of the treatment fungicide to citrus canker w...
Embodiment 2
[0039] Example 2 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against cucumber downy mildew
[0040] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on cucumber downy mildew. Take 5 mm mycelium pieces from the edges of cucumber downy mildew colonies cultured on PDA medium for 4 days and inoculate them on PDA medium plates containing different concentrations of fungicides, culture at a constant temperature at 28°C, and use the plate without the agent as a blank As a control, measure the colony diameter of each treatment after 4 days, and calculate the inhibitory percentage of the medicament to mycelial growth. Through the regression analysis of the logarithm of each treatment dose and the probability value of mycelial growth inhibition rate, the inhibitory medium concentration (EC) of the treatment fungicide to cucumber downy mildew was calculated....
Embodiment 3
[0049] Example 3 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against rice blast
[0050] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on rice blast fungus. Take mycelia pieces with a diameter of 5mm from the edge of rice blast colonies cultured on PDA medium for 4 days and inoculate them on PDA medium plates containing different concentrations of fungicides, culture at a constant temperature of 28°C, and use the plate without the agent as a blank control After 4 days, the colony diameter of each treatment was measured, and the percentage of inhibition of the growth of the mycelia was calculated. The logarithm of each treatment dose and the probability value of mycelial growth inhibition rate were used for regression analysis to calculate the inhibitory medium concentration (EC) of fungicides to rice blast. 50 ), and then calculate the co-toxi...
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