Symptoms: at the beginning, there will be small brown spots on the leaves, which will seriously affect the aesthetic degree. At the later stage, the situation will worsen, leading to the deterioration of the seed ball, thus affecting the flowering.
Prevention and control: at the beginning of planting, basin soil needs to be disinfected to reduce the possibility of disease. If found to be infected with mosaic, it is necessary to cut off the infected leaves and destroy them, and spray carbendazim for disinfection.
Symptoms: this disease occurs in the growing period, which will cause the bulbs to rot and become dry and hard.
Prevention and control: Disinfect before planting to prevent infection. Once it is found that vanilla is infected with this disease, it can be saved if the condition is light. It needs to be sprayed lightly with 500 times zincic solution. If the condition is serious, the whole seed ball has degenerated and can be thrown away directly.
Symptoms: aphids are common pests, which often appear together with mosaic disease. These insects will gather together to suck the juice in the leaves, causing deformity and atrophy of the leaves, and feces will also breed bacteria.
Prevention and control: at the beginning, spray and spray 40% Omethoate 1500 times.
