What are the methods of horticultural plant pests and diseases

One of the common plant pests and diseases in the garden and its control.

Summary. Pro-<>

We are glad to answer for you, the principle of garden plant pest control is based on comprehensive management as the core to achieve sustainable control of garden plant pests. The guidelines for the control of insect pests in garden plants are prevention and comprehensive management.

What is the principle of garden plant pest control?

<> I am glad to answer for you, the principle of insect pest control of garden plants is to achieve sustainable control of garden plant insect pests with comprehensive management as the core. The guidance of garden plant pest control is prevention-oriented, comprehensive treatment and return to the sedan system.

What is the principle of observing plant diseases?

The principle of observing plant bing damage is that plants, like people, in the process of life, are affected by biological or abiotic factors, and a series of abnormal changes in the physiological tissue structure and external morphology produce a series of abnormal changes in the finger or the whole body, and the growth and development are significantly affected, and even the death of SI occurs, this phenomenon is called plant bing damage. Plant damage is for human economic life, and the abnormal phenomenon of some plants will not only not cause economic losses, but can produce higher economic value.

In the process of life, due to the influence of biological or abiotic factors, a series of local or overall abnormal changes occur in the physiological tissue structure and external morphology, and the growth and development are significantly affected, and even the death of SI occurs.

Hello, I am very happy to be able to answer for you garden plant diseases Garden plants in the growth process due to the influence of the adverse environment and the infection of pests and pests resulting in a series of pathological changes in the external morphology and physiology, resulting in a decline in plant quality garden tree pest control, we must implement the principle of "prevention first, comprehensive prevention and control" and "treatment early, small, and simplified", take a prudent scientific state of the stove cover, prescribe the right medicine, comprehensive prevention and control, in order to ensure that the trees are not harmed by or less pests and diseases; At the same time, we should pay attention to protecting the environment and reducing pesticide pollution. Achieve economical, safe and effective control of the occurrence of pests and diseases. 1. Plant Quarantine LawPlant quarantine is an important measure for the comprehensive control of pests and diseases that are prohibited or restricted by the state or local administrative organs through the promulgation of laws and regulations between countries, regions and regions, and the spread of extremely harmful pests, germs, weeds, etc.

Second, the occurrence and development of pests and diseases need a certain and suitable environmental conditions, and the cultivation management method is a method to control the occurrence and harm of pests and diseases by changing the cultivation technology and measures. For example, the selection of disease-resistant varieties, reasonable water and fertilizer management, the implementation of crop rotation and reasonable allocation of plants, timely removal of diseased leaves and insect branches, elimination of pathogens and insect pathogens and other measures. Hope mine can help you.

There are also many insect pests in gardening plants and flowers, especially the harm of aphids and thrips.

01 Lice, the common whitefly. It is widely distributed and harmful to a variety of flowers and indoor foliage plants, especially in greenhouses or plastic greenhouses. The worms are small and have a white powder, like small moths.

02 Aphids, commonly known as worms, are common pests on flowers and trees. Many flowers and trees such as chrysanthemums, orchids, roses, plums, etc., are susceptible to aphids.

03 Spider mites: The hot and dry climate from July to August is conducive to its reproduction, with many species, small size, and red color. More concentrated on the back of the plant to absorb the juice.

04 Scale insects are the most common, scale insects will eat meat to survive, resulting in poor growth of meat plants, and even cause the death of meat plants, they like to group together.

Garden plants need to be strengthened in the usual maintenance, to be reasonably pruned, so that it has a good ventilation environment, and to remove the diseased leaves in time to avoid infection, during the maintenance period should be timely fertilized, and to be watered appropriately, after the occurrence of pests and diseases need to use the corresponding drugs.

Common diseases of garden plants.

Powdery mildew: When garden plants are growing, powdery mildew will occur due to the growth environment of high temperature and humidity, especially boxwood, pentagonal maple, cochin, hawthorn, osmanthus, poplar and other plants, after the onset of the disease, the leaves will have white powder, and then will become light yellow or black small particles.

Coal pollution disease: garden plants will also have the occurrence of coal pollution disease, which occurs more commonly on flowers and trees, and affects photosynthesis after the onset of the disease, and will reduce the ornamental value and economic value, and generally crape myrtle, peony, citrus sedan chair, camellia and other plants are more susceptible to infection.

The main insect pest of garden plants.

When garden plants are growing, there are often insect pests such as elm purple flower insects, which are extremely unfavorable to the growth of plants, larvae and adults will harm the leaves, and will be adsorbed on the leaves to eat the leaves at ordinary times, resulting in a large number of leaves falling off.

Garden plant pest control.

Garden plants need to be strengthened in the usual maintenance, to be reasonably pruned, so that it has a good ventilation environment, and to remove the diseased leaves in time to avoid infection, during the maintenance period should be timely fertilized, and to be watered appropriately, in the occurrence of pests and diseases after the key needs to be used