#"Flash Moment" Theme Essay Phase II # Hello everyone, I am a plant grass worm, love greening love to raise flowers, today some netizens asked, rhododendron is so difficult to raise, buy back the green leaves, now the leaves of the rhododendron are like rust.
Knock on the key: rhododendron is indeed difficult to raise, feeding basically is not a big problem, but it is difficult to raise well, a little attention to the yellow leaves fall off the leaves, serious has been yellow stiff seedlings are not long, I personally think, rhododendrons and camellias are difficult to maintain, mainly acidic environment is enough for friends in the north to toss.
Let's take a look at the pictures provided by netizens:
The above picture is the azalea potted plant maintained by netizens, according to the netizens, when bought back, the leaves of the rhododendron are exuberant green, and when they are bought back to raise it not long ago, they found that the leaves of the rhododendron are getting more and more yellow, I don't know what is going on? Looking at the picture above, the leaves of the rhododendron do have a lot of rust plates, and then look at the second picture.
Note that look at the above figure, the azaleas of netizens are hairy cranes, the leaves with rusty plates as long as they are young leaves, the lower leaves are normal, there is no obvious disease characteristics, and there is no obvious insect pest, in fact, this situation is very common, it is sunburn caused by too strong light.
You know, azaleas like a warm and humid environment, afraid of cold and afraid of exposure, especially high temperature summer and autumn tiger weather, the temperature is too high, this time it is recommended to shade treatment, because summer is the time to shoot long young leaves, direct exposure is easy to sunburn the leaves, even watering to choose a time period, try to avoid high temperature time period.
Now in this case, you can use brassinolide to dilute the watering and detoxification, and then proper shade maintenance, keep the environment ventilated and moist, the potting soil is slightly moist, the thin fertilizer is watered many times, and it is normal after leaf change, there is no big problem, pay attention to avoid strong light exposure.