Harmonia sclerotiorum spring defense must pay attention
Sclerotinia sclerotiorum, commonly known as rotten culms, dead culms, and white stalks, can occur from the seedling stage to the pre-mature stage. All organs of leaves, stems, and pods will be infected, and the stem base and stem will suffer the most. The disease should be controlled mainly by prevention and prevention and control in order to control the hazard. Preventive management In spring and rainy days, the water will be drained in a timely manner to reduce the humidity of the topsoil and enhance disease resistance. Timely removal of old yellow leaves, reduce the chance of germs dip. Chemical control The first application of the drug in the main inflorescence of rape about 20% when the flowering, every 7 to 10 days for the second drug, the main choice when sunny days. Use 50% carbendazim 100g, or 25% carbendazim 150g, or 50g fasting per acre to spray 50kg of water. Transparent Respirator ,disposable oxygen mask,Disposable Respirator,Bag Respirator Jiangsu Yongle Medical Technology Co., Ltd. , https://www.jsylmedical.com