What are the symptoms of cucumber spotting? How to control?
Symptoms: Most of the symptoms occur in the period of flowering and nectarine. The leaves in the middle and lower parts are susceptible to disease. At the beginning of the disease, the disease class is flooded, then becomes light brown, the middle color is light, and it gradually dries, and there is a water-immersed light green halo around it. The middle of the sick class was thin papery, pale yellow or grayish white. When the humidity is high, there will be a small number of invisible blacks in the sick class. Control methods: implement rotation, strengthen management, remove water after raining, and ventilate and reduce humidity after watering. In the early stage of disease, spray 20% of Jiema Microemulsion 2000~4000 times, or 25% of Shengtang EC 1000~2000 times, or 50% of carbendazim WP 600 times, or 75% chlorothalonil WP 700 times liquid, or 50% incense emulsion 6000 times liquid. Every 7 to 10 days, 2 or 3 times in a row. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone Cables And Adapters,USB Cable,HDMI Cable,Speaker Cable,Network Cable,Type-C Cable ,Audio&Video Cable Changzhou Satidi Import and Export Co., Ltd. , https://www.czguanjiechuck.com