Heavy anti low temperature and high humidity type disease -- vegetables new facilities-Iota

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News > Dynamic industry > Heavy anti low temperature and high humidity type disease -- vegetables new facilities

Heavy anti low temperature and high humidity type disease -- vegetables new facilities

As the temperature continues to decline, to the disadvantage of facility vegetable production, especially easy for ventilation time cause a decrease in humidity in the protected area increased, type disease initiation and the aggravation of Botrytis cinerea, Sclerotinia sclerotiorum, late blight and other low temperature and high humidity, production should be vigilant, to adopt the following measures: to strengthen monitoring and prevention. Pay close attention to the occurrence of dynamic weather and disease, cold insulation work according to the change of weather, heating equipment is additionally provided with the necessary credit. Reasonable vent exhaust wet. Cloudy noon high temperature period of time also to proper ventilation, the weather cleared the temperature rises not suddenly reveal all the straw, should a exposing one or every two uncovering a, re opened gradually and other plants adapt.

Strictly control the watering, avoid the cloudy water; timely cultivation, improve the soil temperature, promoting new roots. Timely treatment. Control of Botrytis cinerea, Sclerotinia sclerotiorum, can choose 50% Pythium like WP, a mildew spirit 65% methylthio, mycophenolate WP, 'scarlar' 400 g / L of pyrimethanilsuspension agent medicine spray, or per mu 15% procymidone smoke agent 250 ~ 300 grams of smoke. Blight, downy mildew control of late, may select thefield to 72% cream urea mancozeb WP 600 times liquid, or 68% gold thundersfine metalaxyl mancozeb WG 600 ~ 800 times fluid, or anti fast net 52.5% ketonecymoxanil WG 1800 times liquid or Amie West 25% azoxystrobin estersuspending agent 1500 times liquid spray; also can be in before the onset ofevery mus of 45% chlorothalonil smoke agent 250 ~ 300 grams of smokeprevention. Spray should be uniform and meticulous, can avoid liquid along the leaf drop or flow, liquid medicine can be added to improve the control effect of silicone additives.