Common diseases of garden plants
Powdery mildew: when garden plants grow, powdery mildew will occur due to the high temperature and high humidity growth environment, especially boxwood, Gynostemma pentaphyllum, cotinus coggygria, hawthorn, Populus alba and other plants. After illness, the leaves will have white powder, which will turn into pale yellow or black particles.
Sooty blotch: sooty blotch will also appear in garden plants, which are common in flowers and trees. After the onset, it will affect photosynthesis and reduce the ornamental value and economic value. Generally, plants such as crape myrtle, peony, citrus and camellia are more susceptible to infection.
Main pests of garden plants
When garden plants grow, there are often pests such as elm, which is extremely unfavorable to the growth of plants. Larvae and adults will harm the leaves, and they will usually be absorbed on the leaves to eat, resulting in a large number of leaves falling off.
Prevention and control of garden pests and diseases
Garden plants need to strengthen management during normal maintenance, prune reasonably to make them have a good ventilation environment, remove diseased leaves in time to avoid infection, fertilize in time during maintenance, water properly, and use corresponding drugs after pests and diseases occur.