What should I do about rose pests? These tricks have learned to deal with them easily.

Bright colors, beautiful flowers, elegant plant shape, when it comes to rose, we can always think of all kinds of beautiful adjectives, and it is indeed one of the most popular ornamental flowers in summer. In the previous article, we have elaborated on the fertilization, summer, watering and other problems of rose flowers, so today, we might as well go further on the road of rose conservation. Talk about rose pests!

Chinese rose is beautiful, but it has to be said that its fragile roots also make it extremely vulnerable to pests. Generally speaking, the most vulnerable pests to rose flowers are beetles, aphids, shell insects and red spiders, each of which will have a negative impact on rose, and if we want to control them, we must understand the main manifestations of these pests.

Many people's impression of the beetle may still remain in the image of the host of childhood children's programs, but in fact, in the world of plants, it is an absolute pest. The beetle usually feeds on new leaves, tender shoots and buds, but its "appearance" is too outstanding and its volume is the largest of these pests, so it can be caught and killed in time. If you want to prevent it for a long time, you can order a plate of mosquito-repellent incense around the flowerpot or spray it with 2000-fold diluted 25% paracetamol wettable powder.

Among the rose pests, aphids are the most common and the most destructive. Aphids. It is one of the most harmful pests in the world, green or gray. It is usually distributed in the tender shoots and buds of rose flowers. To do harm by sucking plant branch sap. It not only hinders the normal growth of rose, but also causes the deformity of rose flowers, leaves and buds. If you find that your rose leaves are curly, it may be caused by aphids. Just open the leaves to see if there are aphids behind you. The treatment method is also very simple, if the number of aphids is small, ventilation or direct manual capture, if the number is large, insecticide can be sprayed.

In the process of planting Chinese roses, especially in summer, it is very likely that the rose flowers will be attacked by shell insects because of poor ventilation and lack of light, one of the most common pests on scale insects, the injured plants. the branches and leaves of the light ones turn yellow and wither, and are easy to induce soot disease, affecting growth and ornamental; heavy ones, the whole plant can die. As for the method of treatment, because the shell on the surface of the scale insect has a layer of horny hard shell, the lethality of general drugs to it is not enough. If the number is not large, we can deal with it by manually removing the diseased leaves and wiping the diseased leaves with alcohol. If the situation is more serious, it is necessary to prune properly and put pesticides in the basin soil.

The last pest is the red spider, which mostly occurs in the dry weather and high temperature from May to October. If the red spider is found, the leaves with gray spots can be removed and burned in the early stage combined with pruning, and the leaves of the plant can be washed. It can also be controlled with insecticides: Aika mite, dacarine and so on. It is recommended that the two drugs should be used alternately, spraying once every 7 days for three times, and better results can be achieved.