Symptoms of bacterial wilt of sesame seeds

(agricultural Wealth net) at the beginning of the disease, dark green patches appeared on the stem, then deepened and blackened, showing strip disease spots. The top of the diseased plant wilted during the day and recovered at night. And soon withered. The diseased plant is shorter than the healthy plant, the root is brown rotten and the stem is empty. Inside and outside the stem, there is a bacterial pus overflow, gradually showing a black bright grain. After leaf blade disease, the leaf veins show dark green stripes, sometimes crisscross, reticulate, transparent to meet the light, and its center is oily. The yellow protuberance of the back and vein of the leaf is wavy and gradually extends, forming a wavy twist. The diseased capsule showed a water-immersed disease spot, gradually showing brown spots of different thickness and wrinkling. The thin chaff of the seed is dirty brown and cannot germinate.