Facilities vegetable focus defense low temperature high humidity

As temperatures continue to fall, the production of vegetables in facilities is becoming more and more unfavorable. In particular, due to lower temperatures and reduced ventilation time, the humidity in the protected areas increases, causing and aggravating the occurrence of low temperature and high humidity diseases such as gray mold, sclerotinia, and late blight diseases. The production should be vigilant and take the following measures to prevent:

Strengthen monitoring. Pay close attention to the weather forecast and the dynamics of disease occurrence, make cold insulation work according to weather changes, and add warming and lighting enhancement equipment if necessary.

Reasonably ventilate and discharge moisture. When the temperature is high at noon on cloudy days, proper ventilation is also required. When the temperature is fine, do not suddenly open all the straw curtains. Open them one at a time or one at a time, and then gradually uncover them after the plants adapt.

Strictly control watering, avoid watering on cloudy days; loosen soil in time, increase ground temperature, and promote new roots. Timely medication. Prevention of gray mold, sclerotinia disease, can use 50% procymidone wettable powder, creumabine 65% methylthiomycin wettable powder, Shijiale 400 g/litre pyrimethanil suspension agent spray, or per acre 250-300 grams smoked with 15% Procymidone smoke. For the prevention of late blight and downy mildew, it is possible to use Kelu 72% cream urea manganese zinc wettable powder 600 times liquid, or Jin Lei 68% fine amazan manganese zinc water dispersible granules 600-800 times liquid, or fasting net 52.5 % Ketone cymoxan water dispersible granules 1800 times, or Amisida 25% azoxystrobin suspension 1500 times spray; can also be used before the onset of 45% chlorothalonil smoke agent 250-300 grams per acre Smoke prevention. The spray should be uniform and careful, to avoid the liquid drip or dripping along the leaves, silicone additives can be added to the liquid to improve the control effect.

Breast Pump

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