Synergistic composition containing kresoxim-methyl
A composition, the technology of kresoxim-methyl, applied in the field of bactericidal composition, can solve the problems of high cost, easy loss, and short duration of soil-borne diseases, etc., and achieve the effect of reduced dosage, not easy to lose, and excellent poisonous effect
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example 1
[0023] The test object was Rhizoctonia solani. Weigh a certain amount of kresoxim-methyl technical substance and tolclofos-methyl technical substance, dissolve kresoxim-methyl and tolclofos-methyl technical substance with a certain amount of xylene, then add Tween-80 and a certain amount of sterilized water to prepare into mother liquor. On the basis of the mother liquor, according to the pre-test results, prepare 7 series of dilutions of test concentrations. According to kresoxim-methyl: tolclofos-methyl is 50:1, 40:1, 30:1, 20:1, 10:1, 1:1, 1:10, 1:20, 1:30, 1:40 , 1:50 ratio, the preparation of a series of concentration of liquid medicine.
[0024] The test method used mycelial growth rate method. The appropriate amount of xylene and Tween-80 sterilized water was used as the control (CK). Take 8ml of the drug solution and add it to a conical flask containing 72ml of hot medium (PDA medium, 45-50°C). After shaking well, quickly pour it into a 90mm diameter glass petri di...
example 2
[0038] The test object is Fusarium oxysporum. Weigh a certain amount of kresoxim-methyl technical substance and tolclofos-methyl technical substance, dissolve kresoxim-methyl and tolclofos-methyl technical substance with a certain amount of xylene, then add Tween-80 and a certain amount of sterilized water to prepare into mother liquor. On the basis of the mother liquor, according to the pre-test results, prepare 7 series of dilutions of test concentrations. According to kresoxim-methyl: tolclofos-methyl is 50:1, 40:1, 30:1, 20:1, 10:1, 1:1, 1:10, 1:20, 1:30, 1:40 , 1:50 ratio, the preparation of a series of concentration of liquid medicine.
[0039] The mycelial growth rate method was used in the test. The test and statistical methods are the same as in the biological assay example 1, and the toxicity assay results are shown in Table 2.
[0040] Table 2 Indoor toxicity test results of kresoxim-methyl tolclofos-methyl against Fusarium wilt of bitter gourd
[0041] ...
example 3
[0045] The test material is Phytophthora capsici Leonian. Weigh a certain amount of kresoxim-methyl technical substance and tolclofos-methyl technical substance, dissolve kresoxim-methyl and tolclofos-methyl technical substance with a certain amount of xylene, then add Tween-80 and a certain amount of sterilized water to prepare into mother liquor. On the basis of the mother liquor, according to the pre-test results, prepare 7 series of dilutions of test concentrations. According to kresoxim-methyl: tolclofos-methyl is 50:1, 40:1, 30:1, 20:1, 10:1, 1:1, 1:10, 1:20, 1:30, 1:40 , 1:50 ratio, the preparation of a series of concentration of liquid medicine.
[0046] The mycelial growth rate method was used in the test. The test and statistical methods are the same as in the biological assay example 1, and the results of the toxicity assay are shown in Table 3.
[0047] Table 3 Indoor toxicity test results of kresoxim-methyl tolclofos-methyl against Phytophthora capsici
[004...
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