How to Prevent and Control Leaf Chlorosis and Streak Necrosis Disease in Chinese Cymbidium

Distribution range:CultivationGreenhouses, commonly seen in the United States. Pathogen: Tomato ringspot virus. Host: Cymbidium. Symptoms: Inconspicuous chlorotic streak necrosis. Control: Controlling viral diseases mainly involves removing diseased plants, improving environmental sanitation, and disinfecting tools to prevent their spread. Currently, the internationally recognized effective disinfectant solutions are: 1. 2% formalin and 2% sodium hydroxide aqueous solution (cannot be used again once it turns green); 2. 164 g anhydrous or 377 g crystalline trisodium phosphate (Na3PO4) added to 1 L (1000 cc) of water. They can be used to disinfect tools, environments, etc. (Chen Xinqi, Ji Zhanhe)