Symptoms: the plant will turn brown after the onset of the disease, and slowly start to become soft rot. in serious cases, the whole plant will die, seriously affecting the growth.
Prevention and control: before planting, soak the bulbs in copper sulfate solution for half an hour, then take them out and clean them with water, dry them before planting again. Spray carbendazim every half a month. If you are in the early stage of the disease, spray it with benzaldehyde.
Symptom: this insect pest mainly occurs in early summer and late November. It will bite on plants and cause certain damage.
Prevention and control: usually pay attention to ventilation and prevention. Spray Wanling after insect damage, which can have a good effect.
Symptoms: during the larva stage, it will penetrate into the interior of the plant and nibble away all the inside until there is nothing left. It can survive in the interior of the plant, and the most seriously damaged part is the leaf part.
Prevention and control: take preventive measures, loosen the soil in time, remove the pupae under the ground, and spray them with phoxim or lesbon at the time of morning or night. If signs of pest activity are found, the affected leaves can be removed directly.
