How to treat the disease of falling leaves of tea tree?
Tea tree is a kind of plant that can produce tea, like the warm and humid climate, so how to treat the disease of tea leaves?
I. the growth habits of tea trees
Tea tree is a kind of shrub or small tree of Theaceae and Camellia. Southwest China is the origin of tea tree. At present, tea tree has been introduced in 60 countries in the world, and there are tree-type tea trees as high as 15-30 meters in tropical areas.
Tea trees are light-loving plants, and light is the first condition for tea trees to survive, neither too strong nor too weak. Tea trees have a special hobby for ultraviolet rays, so good tea is produced in high mountains.
According to the tree type, tea trees can be divided into three types: tree type, shrub type and small tree type.
Second, how to treat the disease of falling leaves of tea trees?
The loss of tea leaves may be caused by low temperature, leaf blight and other reasons. Generally, tea trees may lose their leaves because of frost when the temperature is below 10 ℃, which needs to be increased. If it is caused by leaf blight, organic fertilizer can be applied to reduce leaf humidity and chemicals can be used to control it.
III. Control of diseases and insect pests in tea trees
The main results are as follows: 1. reasonable close planting is needed, generally using single row planting method, row spacing 1.5m, cluster spacing 0.33m, 3 plants per clump, 4000 seedlings per mu.
2. It can strengthen the protection of parasitic and predatory insects, retain a certain amount of vegetation around the tea garden, pay attention to the protection of biological habitat, and protect the natural enemies of pests such as Trichogramma, tea garden spiders, red ladybugs and so on.
3. When using chemicals to kill insects, they should be used strictly according to the control targets, and they should not be used in a hurry when they see the disease.
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