A kind of pesticide composition containing flufenpyroxad and propamidine
A pesticide composition, flufenapyramide technology, applied in the direction of fungicides, biocides, animal repellents, etc., to reduce the cost of use, improve the effect of control, and the effect of low residue
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Embodiment 1
[0023] 1. embodiment one: flufenapyramide propaneamidine indoor toxicity measurement to Botrytis cinerea (Botrytis cinerea), the test object is collected from the tomato gray mold pathogen Botrytis cinerea (Botrytis cinerea) in the field, method is with reference to " People's Republic of China Agricultural Industry Standard NY / T 1156.6-2006", mycelial growth rate method.
[0024] Table 1: Indoor toxicity test results of flufenapyramide·propaneamidine against Botrytis cinerea.
[0025]
[0026] It can be seen from Table 1 that flufenapyroxad and propamidine mixed at a ratio of 20:1 to 1:20 have obvious synergistic effects on Botrytis cinerea, and the co-toxicity coefficients are all above 150.
Embodiment 2
[0027] 2. Example two: Indoor toxicity determination of flufenapyramide propaneamidine to Gibberella zeae (Gibberella zeae), the test object is the wheat scab pathogen Gibberella zeae (Gibberella zeae) collected from the field, the method refers to "People's Republic of China Agricultural Industry Standard NY / T 1156.6-2006" growth rate method.
[0028] Table 2: Indoor toxicity test results of flufenapyramide · propamidine against Gibberella zeae.
[0029]
[0030] It can be seen from Table 2 that flufenapyroxad and propamidine mixed at a ratio of 20:1 to 1:20 have obvious synergistic effects on Gibberella zeae, and the co-toxicity coefficients are all above 150.
[0031] 2. Examples of formulation preparation and prevention
Embodiment 1
[0034] Example 1 is used to prevent and treat Botrytis cinerea: 40% flufenapyramide propaneamidine suspension is diluted 2000 times by adding water and sprayed, and the control effect of 7 days and 14 days after the medicine is 92.3%, 84.7%, and 20% flufenazole Bacteramide EC diluted 1000 times with water and sprayed with 10% propaneamidine aqueous solution diluted 500 times with water, the control effects were 81.6%, 69.2%, 80.5%, 70.4% after 7 days and 14 days after application. The compounding of flufenapyroxad and propaneamidine has obvious synergistic effect, and the control effect on tomato gray mold is obviously better than that of a single agent. Reduced, thereby reducing the environmental load, reducing the cost of use, and providing growers with a more effective management tool for tomato gray mold.
[0035] Example 1 is used to prevent and treat wheat head blight: 40% flufenapyramide propaneamidine suspension concentrate is sprayed by adding water to dilute 2000 tim...
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