First, black rot
Spray application 40% thiram 500 times liquid, 47% Garnett WP 900 times, 77% WP 600 times, 14% urea bath 350 times, 12% green milk Copper EC 600 times, 72% agricultural streptomycin 4000 times, 50% Daisen ammonium water 800 times, and 12% copper rosinate 600 times.
Second, black root disease
In the early stage of onset, spray 20% methyl-prepared phosphoric acid emulsifiable concentrate 1200 times or 72% DuPont dew wettable powder 1000 times, 72.2% Precive water 400 times, spray 2 to 3 liters per square meter. , Or 15% of hymexazol (soil bacteria elimination) agent 450 times, 3 liters per square meter.
Third, heart disease
Planting radish varieties that are not easy to worry about, and timely sowing and harvesting; uniform water supply during growth, reasonable top dressing, ensuring the nutrition and moisture demand of root enlargement, suitable storage, improving storage conditions, and keeping the storage temperature at 1-3°C, The relative humidity is maintained at 90% to 95%, and the trench should not be over-dried when stored in trenches.
Four, locusts
Each hectare can use 2% green star cream 750-1400 milliliters, 1.8% avermectin EC, 5% ARIM EC, 5% cypermethrin EC, 2.5% deltamethrin EC, 25% Aktron EC 375 ml, 0.5% Azadirachtin WP 500 to 750g, 10% imidacloprid WP, ​​50% 375g anti-inflavor wettable powder, 25% Pyrazinone WP 250g, 10% DKK WP 150 g, add 750 liters of water spray. The detergent powder or other spreading agent may be added at 0.1% of the diluted water for the medicament to increase the efficacy.
5. Plutella xylostella
Diflubenzuron 700 times, 25% fast killing 2000 times, 24% Wanling 1000 times, 5% stuck calcium 2000 times for prevention. Note alternate use or mixed use to slow drug resistance.
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