Sterilization composition containing isopyrazam and cyprodinil
A technology of pyraclostrobin and cyprodinil, which is applied in the direction of fungicides, biocides, biocides, etc., can solve problems such as metabolic interference, affecting photosynthesis, and yield loss, so as to reduce the dosage and medication The effect of low cost and low cost of use
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Embodiment 1
[0019] Embodiment 1: Indoor activity determination test
[0020] (1) Indoor spore germination test of wheat powdery mildew:
[0021] The wheat powdery mildew bacteria were inoculated into a petri dish containing PDA medium and cultured at 25°C in the dark. A large number of spores were found to be produced by microscopic examination, and a spore suspension was prepared with sterile water for later use.
[0022] The original drug was made into 24% pyraclostrobin · epoxiconazole suspension for testing, and 4 groups of different treatments were set up, among which 0.3 μg / mL, 0.6 μg / mL, 1.2 μg / mL (active ingredient) and A clear water control. The test method was carried out with reference to Wu Wenjun's "Introduction to Experimental Techniques of Plant Chemical Protection" (1993). Refer to Table 1 for test results.
[0023] Table 1. Indoor spore germination test data of pyraclostrobin and cyprodinil.
[0024]
1
2
3
Clear water control
Active...
Embodiment 2
[0033] Example 2: 24% pyraclostrobin · cyprodinil suspension concentrate
[0034] The following substances are all in weight ratio: 6% pyraclostrobin, 18% cyprodinil, 2% Nongru 602#, 4% Nongru 500#, 3% lignosulfonate, 2% methanol, 0.5% Defoamer, add deionized water to make up to 100%. After the above raw materials are mixed, 24% pyraclostrobin-cyprodinil suspension concentrate is prepared through high-speed shear emulsification.
Embodiment 3
[0035] Example 3: 40% pyraclostrobin · cyprodinil water dispersible granules
[0036] The following substances are all in weight ratio: 10% pyraclostrobin, 30% cyprodinil, 6% sodium lignosulfonate, 2% naphthalenesulfonate, 1.8% disintegrant, and bentonite to make up to 100%. After the above raw materials are mixed, they are pulverized and granulated by a jet mill to obtain 40% pyraclostrobin·cyprodinil water-dispersible granules.
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