Prevention and control of common diseases and insect pests in Mei Mei

Due to the flower shape characteristics of Mei Jiyou plum blossom, and the advantages of purple leaf plum with dense blossoms and purple leaves, it is now a relatively new type of ornamental flowers and trees with excellent leaves and flowers, which can be used as potted plants and can also be made into bonsai. However, Mei Mei will also be harmed by diseases and insect pests, so how to prevent and control diseases and insect pests for Mei Mei?

Mei Mei

The main diseases are leaf spot, gum disease, etc., in addition to strengthening management to make plants grow healthily and increase their disease resistance, broad-spectrum fungicides such as chlorothalonil and carbendazim can be sprayed 2 to 3 times every year in early summer and early autumn. Broad-spectrum antibiotics can also be sprayed when diseases occur, and it is best to use several agents in turn to avoid drug resistance.

Insect pests are mainly aphids, stinging moths, red spiders, longicorn beetles, etc., which can be controlled by broad-spectrum insecticides such as dichlorvos, but it is not suitable to use omethoate and other harmful drugs. For longicorn beetles and other stubborn insect pests, pesticide solution can be injected into the trunk to control.

Diseases and insect pests of Prunus mume and its control

The growth habits of Prunus mume

Beauty plum is a negative tree species, like living in a sunny environment, its cold resistance and drought resistance are relatively strong, like humid air, but afraid of waterlogging. Mei Mei is not strict with the soil, as long as it is slightly acidic and clayey soil. It hates air pollution, sulfur dioxide, car exhaust and other exhaust gases, and is very sensitive to pesticides such as dimethoate.

Diseases and insect pests of Prunus mume and its control

Leaf spot disease, leaf perforation disease and gum disease are common diseases of Mei Mei. The countermeasures are as follows: in early summer and early autumn every year, remember to spray broad-spectrum fungicides such as chlorothalonil for 2 to 3 times, especially when the disease occurs. After pruning in winter, focus on burning the cut branches of diseases and insects and dead branches, and don't forget to clean up the fallen leaves. The usual maintenance should keep the tree pit clean and remove weeds in time. In addition, the management of water and fertilizer should be strengthened.

Pest control

Aphids, stinging moths, red spiders and longicorn beetles are common insect pests. When pests occur, broad-spectrum insecticides such as dichlorvos can be used to control them, but do not choose pesticides such as omethoate which are easy to cause drug damage. If the occurrence of longicorn beetles and other relatively stubborn pests, the original liquid injection dry method is the best choice.

This is the end of the introduction on the diseases and insect pests of Mei Mei and its prevention and control. I hope that flower friends will prescribe the right remedy to the case and raise a healthy and beautiful Mei according to the advice of the editor.

Prevention and Control of Diseases and insect pests of Prunus mume

Mei Ren Mei is not strict with the soil, light clay, loam and sandy loam can grow normally, among which loam grows best. Because it is a hybrid of purple leaf plum and palace powder type plum blossom, it has the advantages of both and has a certain tolerance to salt and alkali. The author has tried to grow Mei Mei in the soil with pH8.7 and 0.2% salt content, and no adverse reaction was found. The beautiful plum is not resistant to moisture and should be planted in a high dry place. Should not be planted in low-lying places and ponds, planting in the lawn should also properly raise the terrain. Beauty plum likes light and is not tolerant to shade, but it will not grow well if it is planted under a big tree or in shade.

Pest control 1. Common pests are aphids, stinging moths, red spiders, longicorn beetles, etc., such as dichlorvos and other widely used insecticides, but it is not suitable to use omethoate and other harmful pesticides. For the stubborn insect pests such as longicorn beetles, the dry method of original liquid injection can be used.

2. The common diseases include leaf spot disease, leaf perforation disease, gum disease and so on, which should be prevented actively in addition to strengthening the management of water and fertilizer. Widespread fungicides such as chlorothalonil are sprayed 2 to 3 times every year in early summer and early autumn. When diseases occur, widespread fungicides should also be selected for control, and it is better to use them alternately. After winter pruning, the cut-off disease, insect and dead branches will be burned to clean up the fallen leaves. Keep the tree pit clean during daily maintenance to prevent weeds from growing.