What if the violet leaves rot?
1. Put it in a ventilated place
(1) specific reason: sometimes, when we water it, we don't notice that the water splashes on the leaves. Or when spraying water in summer, a lot of water remains on the leaves without evaporation, which may cause the leaves to rot.
(2) solution: put it in a cool and ventilated place and evaporate the moisture from the leaves quickly. After spraying water, you should also pay attention to putting it in a ventilated place.
2. prevention and control of diseases and insect pests
If you encounter diseases and insect pests, it is also very likely to endanger the leaves and make them rot. Specifically, there are many kinds.
(1) downy mildew: it occurs more frequently in spring. It is more common in places where drainage is poor and too dense. At the beginning of the disease, light green spots appear on the leaves, and then the leaves begin to rot. Clean up the diseased leaves in time and then use fungicides.
(2) Fusarium wilt: this is a disease mainly aimed at leaves and may cause leaves to rot. It can be prevented and treated with potassium permanganate solution. In addition, soil disinfection is also very important.
(3) Mosaic disease: this disease is mainly aimed at leaves and flowers, and leaves suffer seriously. Its virus is mainly transmitted by aphids, so it can be combined with pest control.
(4) aphids: this is the main pest species. In addition, it is also mentioned above that bugs can also spread certain types of viruses, leading to other diseases. Special insecticides such as imidacloprid can be used.
- Prev
What is the reason why the leaf orchid is not long?
The lack of growth of a leaf orchid may be the cause of the soil. It is not easy to loosen the soil for a long time, so it is necessary to loosen the soil in time. It is also possible that there is a shortage of fertilizer and the need for timely fertilization. It may be that the amount of watering is not appropriate and needs scientific watering. It is also possible that its position has changed and it has not adapted to the environment for a while, so it can recover by itself at this time.
- Next
What's with the Violet dry Tip?
The dry tip of Violet may be caused by improper application of potash fertilizer, which requires determining whether it is overapplied or underapplied according to the specific situation, and then reduce or increase the application rate. It may also be caused by too much watering, so it is necessary to adjust the watering method to reduce the frequency of watering. It may also be caused by too much light, so you need to put it in a cool place.
Related
- What if the leaves of potted flowers turn yellow?
- Florescence Control of several Flowers
- Anti-freezing technology and post-freezing nursing technology of flowers
- What is the classification of flowers? What are the common methods of flower classification?
- Prevention and control of alkali and acid damage of flowers in courtyard
- Technology of Anti-freezing and restoring growth of Flower seedlings in greenhouse and greenhouse
- How does flower fertilization not hurt the root? Fertilization technology of flowers
- Key points of disinfection in flower greenhouse
- Several pesticides that are banned or used cautiously in flowers
- How to fertilize the flowers that watch the leaves?