What is the pruning method of purple leaf plum?
Purple-leaf plum is a small deciduous tree of Rosaceae and Prunus, whose leaves and fruits are purplish red, so what is the pruning method of purple-leaf plum?
I. growth habits of Purple Leaf Plum
Purple leaf plum likes sunny, warm and humid climate, and has a certain ability to resist drought. It has strong adaptability to soil, is not resistant to drought, is more resistant to water and moisture, but grows well in rich, deep, well-drained clay neutral and acidic soil, and is not resistant to alkali. The sandy gravel soil is better, the clayey soil can also grow, the root system is shallower and the germination ability is stronger.
Native to Xinjiang, growing in hillside forests or stony slopes and canyon watersides, 800-2000 meters above sea level. [1] it is distributed in Central Asia, Tianshan, Iran, Asia minor and the Balkans.
2. Pruning methods of purple leaf plum
The main results are as follows: 1. The purple leaf plum is cut short at 1 meter after planting, and it is necessary to pick the heart in the growing season, which can promote trunk differentiation and branch growth.
Generally, the first sprouting branch grows most vigorously under the cutting mouth, and three thicker new shoots are selected as the main branch, which requires the three main branches to be evenly distributed on the central stem and develop obliquely upward at an angle of 45 °. If there is uneven differentiation between the main branches during the growing period, many techniques such as brace, pulling, cutting and retaining bud direction, inner bud pedal and so on can be used to adjust.
2. After the purple leaf plum enters the dormancy or semi-dormancy period in winter, the thin, diseased, dead and overdense branches need to be cut off, and the coring or thinning should be properly removed according to the growth of purple leaf plum.
In addition, it is also necessary to pay attention to the prevention and control of diseases and insect pests, which are mainly red spiders, diamondback moth and cloth bag moth. If they occur, 1000 times of omethoate EC can be used for spraying.
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