What about the drug damage of rose?

Rose is a common flower in life, with high ornamental value and good appearance of roses. It is often planted in gardens, parks and other places. During the period of breeding rose, it will cause drug damage when spraying chemicals. What about rose drug damage?

First, rose drug damage how to do?

After the occurrence of drug damage in rose, the plant should be moved to a cool, scattered light, ventilated place in time, and spray a lot of water on the leaves. Or use brassin to spray leaves to alleviate the drug damage. It is worth noting that do not cut off all the leaves because of drug damage, because the remaining leaves can still carry out photosynthesis.

Second, how to maintain the rose?

1, basin soil choice: the choice of flowerpot does not have to be very gaudy, permeable, breathable ordinary mud basin is OK. Before using the new mud basin, soak it with water before using it. Just cut the small buy oh choose about 15cm small flowerpot, 1 ~ 2-year-old rose seedlings choose 18cm 20cm flowerpot, gradually increase according to the size of the plant. Rose flowers like moist soil, very afraid of drought or stagnant water, so we must ensure that the soil is loose, good drainage, but also has a certain role in water and fertilizer conservation.

2. Temperature requirements: the most suitable growth temperature of Chinese rose is 18-20 ℃, so the flowers are larger and colorful in April-May and September-October every year. With the increase of temperature, when the temperature is stable at about 30 ℃, the color of the flowers is small, the taste is light, the ornamental value is low, and they are vulnerable to diseases and pests. In the high or low temperature environment, rose flowers enter dormancy, there may be fallen leaves, there is no need to worry.

3, lighting requirements: rose is a sunny plant, the growth needs plenty of sunlight, the daily light time should not be less than 5-6 hours, otherwise the branches and leaves will be thin and grow branches. General potted rose maintenance, put it in a sunny place, summer shade, cooling can be.

4. Matters needing attention in culture:

The main results are as follows: (1) the rose flower has strong cold tolerance and can withstand the low temperature of-10 ℃. Generally speaking, the south can be placed directly under the eaves facing south for the winter, while the northern potted rose moves inward to indoor ventilation when the temperature drops to 10 ℃.

(2) after the flowers withered in October, do not prune, apply a mature phosphate fertilizer to promote the branches to be strong and full, and enhance the cold tolerance. In addition, when the temperature is very low in winter, it can be properly watered when it is slightly warmer to prevent the plant from dying from dry freezing.