Symptoms: this disease mainly occurs in the lower part of the plant, causing the bulb to start to sink, and there are spots with a diameter of about 4mm, the color is yellow to black brown, the edge is slightly raised, and some of the leaves are damaged, leading to yellowing and withering.
Prevention and control: disinfect the soil in advance, and then choose a robust seed ball, so as to avoid the occurrence of the source. If the sick plant is found, it needs to be removed and burned in time.
Symptoms: after this disease, it will cause the color of flowers and leaves to change. There are light yellow or white stripes on the petals, and irregular stripes on the leaves. Finally, it will cause the growth of plants to weaken and the bulbs to become smaller.
Prevention and control: attention should be paid before planting. If the sick plant is found to be destroyed in time, it should be kept away from Lily when planting. If it is cultivated and maintained in the shed, it needs to spray 1-2 times of fungicide.
Symptom: during the growth of tulip, aphids may appear. These insects gather together and suck the juice inside, causing problems in its growth.
Control: remove weeds nearby, reduce the occurrence of source, and spray 3% natural pyrethroids 800 times.
