How to prevent common diseases and insect pests of Chinese rose in spring

Rose flowers look like roses and have pink, yellowish and other beautiful colors, so many people prefer to plant rose flowers, including large tracts of rose flowers for tourists to enjoy in many parks. Rose is a kind of plant that is easy to feed, the adaptability to the environment is also good, and the flowering period of rose is longer, and it can be seen blooming many times of the year.

Roses especially like places where the climate is warm and sunny, so when we plant roses, we basically take into account the sun's light intensity in the environment, but there is another factor that can not be ignored. The influence of Yin Su on the growth of rose is not small, that is, the prevention and control of diseases and insect pests.

But all the plants with fragile roots have weak immunity to diseases and insect pests, especially in the growing season such as spring, a large number of pests will erode their roots and hinder their development. So for rose, this plant, how to control diseases and insect pests?

1. As there are many kinds of diseases and insect pests, here only talk about how to prevent and control the most common diseases and insect pests. When it is hot in summer, Shixun will grow rapidly, and the rose is particularly vulnerable to a kind of gray mold. When you see the yellowing of rose flowers, do not simply think that it is due to the lack of moisture in summer high-temperature rose, sometimes it is not more watering, it can solve such a problem. First of all, we have to remove these diseased petals, and after removal, we can't simply throw them into the trash can, because the petals with gray mold contain bacteria, and if they are not cleaned up, these bacteria will spread in the air, and the rest of the intact petals may also be affected. We can put these rotten petals in one place and burn them clean with fire.

two。 Aphids are also common types of diseases and insect pests. In fact, most of us have seen aphids. Her clothes and petals or the branches and leaves of flowers are green and very small. These bugs usually appear in groups and are difficult to deal with. We can spray dichlorvos or catch some seven-star ladybugs to prey on aphids.

3. Withered branches are more likely to occur in winter. In the same way as Botrytis cinerea, we need to burn dead branches to prevent secondary infection of rose flowers. It should be noted that when pruning dead branches, try not to choose in cold and wet weather, because the pruned branches and leaves are fragile and prone to necrosis in rainy weather.