Symptoms: The disease mainly damages the leaves. In the early stage of the diseased leaves, water-stained brown round spots develop at the tips of leaves or leaves, gradually expanding into oblong or irregular shaped spots, light brown, and forming a dark brown halo at the junction with healthy tissue. The disease department produces many black spiny dots. In severe cases, the lesions can be connected to each other to form large lesions. Tissue necrosis leads to dead leaves. Pathogen: direct bacteria The law of onset: The pathogens overwintered with mycelia and spore discs on sick bodies, spread by wind and rain. The temperature is 22-28 degrees Celsius and humidity is relatively high, the incidence is heavier. The onset began from May to June, with the most severe onset from July to August, and the disease began to weaken in late autumn. Poor planting, poor drainage in the planting area, and poor ventilation can all contribute to the disease. Control measures: 1, as soon as possible to clear the diseased leaves, sick bodies, centralized destruction, reduce the source of infection. In severely affected areas, avoid continuous cropping. 2. Spray 1% Bordeaux mixture for prevention. Spray 75% chlorothalonil wettable powder 600-800 times, or 70% tetrakitobutrazin wettable powder 800 times, or 65% zeocin zinc wettable powder 500 times, spray every 10 days. 1 time, spray 2-3 times continuously. The use of medicaments alternately produces better results. Sweet Gummies,OEM Gummy Candy,Gummy Food Candy,Popular Gummy Candy Montreal Shantou Food Co., Ltd , https://www.montrealsnack.com