How many of these factors do you account for in summer leaves scorched and withered?
Even if the rose does not blossom, now the leaves also appear scorched phenomenon, to consult all kinds of rose flower gods, summed up the factors of these rose leaves scorched, see how many you hit.
1. Rose leaves scorched, the first thing to consider is diseases and insect pests, what leaf blight, leaf spot, potassium deficiency, soil acidity is not enough and so on.
two。 The second is the problem of watering, high temperature watering, will lead to leaf evaporation is relatively large two burn leaves, to try to avoid high temperature watering, generally choose sooner or later watering is more appropriate. Another situation is caused by insufficient watering.
3. The light is too strong. Summer exposure, the leaves will change from green to brown, and then to black, so to prevent exposure, morning and evening full sunshine, noon scattered light on it. 4. Torrential rain hit. Torrential rain will also destroy the wax film of rose leaves, causing bacterial infection in the leaves, forming black spots and black spots, causing the leaves to turn yellow and black.
5. If the temperature is too high and the air humidity cannot be reached, it will also cause yellow leaves, scorched buds, dry buds and other phenomena. 6. The fertilizer is too thick. High temperature in summer, fertilizer must be relatively thin, can not use raw fertilizer, thick fertilizer, or it will lead to leaf bud damage, leading to rotten leaves and so on.
7. Smoke pollution. There are many ash layers on the leaves, and the bacteria are easy to be infected. 8. The soil has not been changed for a long time. After watering the rose for a long time, the basin soil is easy to harden, resulting in stagnant water and poor drainage, which will also lead to yellow and scorched leaves.
9. Pest infestation. Snails, ants and aphids gnaw on orchid roots and sprouts. Langen is injured and infected with bacteria and viruses, which will be reflected on the leaves. In addition, blue lice and scale insects can cause macula on the back of the leaves.
10. Potassium deficiency. Young buds and young leaves need potassium most when they grow, and when the medium is deficient in potassium, the leaves are often scorched or yellowed.
- Prev
It is right to add one treasure to the four points of the summer rose.
On this stove day, people are about to be steamed into steamed bread, not to mention the roses exposed outside. These four key points, plus a treasure, will be safe to spend the summer. Why don't you take the notebook and remember it? Summer maintenance of the rose, from the ventilation.
- Next
Learn to have dozens of pots of rose at 3: 00 and open one pot for one game.
We have heard of the rose garden and the sea of rose flowers, but we have never heard of a flower friend who grows dozens of pots of Chinese roses, pots bloom, pots burst, and they are still squeezed together. Let's take a look at the three great tricks of the rose god. Fertilize into.
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