1、 What disease is there crack on Orchid leaf
1. Etiology: if orchid itself does not pay attention to the method, it is easy to infect some diseases. The diseases causing leaf cracks may be leaf spot, downy mildew, etc. after infection with such diseases, spots will appear on the leaves, which will lead to water shortage and dryness, and then gradually crack from the middle of the leaves, resulting in cracks on the leaves p>
2. Solution: after these conditions occur, the diseased leaves need to be cut off, and then the medicine is applied to the case. After finding out what disease is, spray the medicine in time p>
2、 How to deal with leaf cracking
1. Prevention and control of pests: in addition to the causes of diseases, the flowering and cracking of yezilan may also be infected with pests, such as scale insects, which will bite the leaves and cause the symptoms of leaf cracking. Ventilation can be strengthened to prevent in advance. When pests are found, they can be caught manually in time, and then sprayed p>
2. Alleviate fertilizer damage: if too much fertilizer is applied for a long time in the process of breeding, it will also cause fertilizer damage, resulting in leaf cracking. Fertilization needs to be stopped immediately, and then watered with clean water for dilution p>
3. Avoid external damage: external damage may also lead to leaf cracking. Rainstorm should be avoided to prevent man-made collision p>