What if there are white spots on the leaves?

First, avoid blowing cold wind directly.

Reason: if the cold wind blows directly to the warm leaves, it will cause the leaves to lose green and form white spots.

Solution: in the release, should be carried by the wind, the tuyere should be gradually increased from the small, can not be acted in undue haste. Or you can hang a piece of plastic film on the inside of the air to prevent the cold wind from blowing directly.

Second, timely heat preservation

Reason: if the temperature is higher than 0 degrees for a long time, but lower than the temperature of its normal growth, it is easy to have yellow-white chlorotic spots on the leaves, which will even lead to death, slow growth or no roots.

Solution: find out the cause of the low temperature and use heat preservation measures to control the temperature between 25 and 30 degrees during the day and not less than 10 degrees at night, preferably between 10 degrees and 18 degrees.