Application of benziothiazolinone to prevention and treatment of potato common scab and method for preventing and treating potato common scab
A technology of potato scab and thiamethoxam, which is applied in the fields of application, botany equipment and methods, chemicals for biological control, etc., can solve the problems of difficult disease control, easy drug resistance, environmental pollution, etc., and achieve improvement Utilization rate, reduce the probability of infection by bacteria, and improve the effect of disease resistance
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example 1
[0019] Example 1: In this example, the laboratory toxicity test shows that 3% thiamethoxam wettable powder has a good inhibitory effect on potato scab bacteria.
[0020] experiment method
[0021] The growth rate method was used to determine the antibacterial activity of the test agent by culturing in a toxic medium. On the basis of the preliminary test, set 5 concentrations: active ingredient 5, 6, 7.5, 10, 15 μg / mL (preparation diluted 6000 times, 5000 times, 4000 times, 3000 times, 2000 times), under sterile conditions, Mix the medicament with the oat agar medium to make a toxic medium for the test medicament, take the oat agar medium plate without the medicament as the blank control, shake well, and pour it into a 90mm petri dish while it is hot to make a plate. After solidification, insert the mushroom cake (Φ=5.0mm) with consistent growth. Each treatment was repeated 3 times and cultured at 32°C.
[0022] After the blank control was overgrown with the petri dish, meas...
example 2
[0030] Example 2: Prevention and treatment of potato scab in Mafangzi Base, Guyuan County.
[0031] Test method: Select healthy potatoes and cut the seed potatoes larger than 40g into 30-50g potato cubes before sowing, each potato cube has bud eyes, and then soak the seed potatoes with a solution of 3% thiamethoxam wettable powder , When soaking seeds, the ratio of chemical: water: seeds is 1:500:10000, and in the sowing period, use fine brake 80g / mu for furrow application, and choose non-Solanaceae crops for ridge cultivation, ridge width 90cm, sowing depth 20cm , the distance between plants is 15cm, the planting density is 4800 plants / mu, and 30kg of urea, 100kg of superphosphate and 80kg of potassium sulfate are applied per mu during the potato growth period. The spraying rate of drip irrigation 3% thiazolone wettable powder in the first 7 days of the tuber stage is 150g / mu, and the spraying rate of drip irrigation 3% thiazolone wettable powder is 100g / mu when the temperatu...
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