Cutting technique of oleander in spring
Oleander has long leaves like bamboo, flowers like peaches, and a long flowering period, which can last from mid-April to mid-September. Blooming flowers, thick green branches and leaves, proud frost fighting snow in winter, has a high ornamental value, is an excellent green tree species. At the same time, it has strong resistance to sulfur dioxide, so it is also an ideal plant for factory greening. The propagation of oleander is relatively easy, and it can be propagated by means of pressing, tillering, cutting and so on. The number of female plants is limited by striping and tillering, so it is not easy to propagate in large quantities. The method of field cutting in spring is simple and convenient, the survival rate can reach 95%, and a large number of seedlings can be raised.
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What are the symptoms, causes and characteristics of oleander witches 'broom disease? How to prevent?
The arbuscular pathogen of oleander mainly damaged the branches of oleander. The disease occurred on individual branches at the beginning, showing a large number of axillary buds and adventitious buds sprouting, clusters of many thin and weak branches, stagnation of main shoot growth, shortened internodes of branches, smaller leaves, and inconspicuous mosaic. Infected branchlets can also take out branchlets, new branchlets base swelling, light red, often clustered into a group, branchlets increasingly thin, leaves are getting smaller, appearance like a nest, forming typical arbuscular symptoms. Victim branchlets are mostly erect, branches have tubercles. Cortices decayed, stripped, ulcerated,
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Plant gold-- Taxus chinensis
Taxus is a species left over from the Quaternary glacier, known as the "living fossil" of the plant kingdom, is a rare and endangered plant in the world, and it is listed as a first-class protected plant in China. When the yew fruit is ripe, the red fruit is full of branches and colorful, which is named because it is very similar to the "Acacia bean" in the south. It is not only an important timber tree species, ornamental tree species, but also a precious medicinal plant. In 1989, the United States took the lead in the detection of paclitaxel from the substances contained in Taxus. Experiments have shown that paclitaxel has a unique anti-tumor mechanism and significant anti-tumor effect, and is considered to be the most effective.
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