Method for breeding and cultivating Taxus chinensis var mairei through asexual cuttage

A technology of taxus chinensis and vegetative cutting, which is applied in the field of propagation and cultivation of taxus chinensis, can solve problems such as low survival rate of taxus chinensis, and achieve the effect of expanding the cultivation area

Inactive Publication Date: 2013-03-13
雷学军 +3
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of low survival rate of southern yew in existing propagation techniques,

Method used

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Embodiment

[0034] The southern yew is asexually propagated by cuttings to expand the cultivation area.

[0035] 1. Cutting time

[0036] Usually, cuttings can be carried out throughout the year. Spring is the most favorable time for cuttings to take root. From February to March when the mother tree has not germinated, followed by September to October when the sun is strong, the temperature is high, and the callus is formed quickly. For the suitable cutting season. The best conditions for cutting are that the average daily air temperature is 18-26°C, the duration of the temperature ≥30°C does not exceed 6 hours, the average daily soil temperature is ≥10°C, and the relative air humidity is ≥70%.

[0037] 2. Selection of cuttings

[0038] Usually, 1-4 years old lignified germination and seedling branches are selected. The annual sprouting tillers contain less substances that inhibit rooting, and the rooting rate of cuttings is higher; the young mother trees grow vigorously, and the conten...

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Abstract

The invention provides a method for breeding and cultivating Taxus chinensis var mairei, and aims at improving the survival rate of Taxus chinensis var mairei bred through asexual cuttage. According to the method, Taxus chinensis seedlings are asexually bred through cuttage, and then large seedlings of Taxus chinensis and sapling grove are obtained through transplanting and planting to enlarge the cultivated area of Taxus chinensis var mairei. By adopting the specific cultivation management measures of Taxus chinensis var mairei, the technology system for breeding and transplanting Taxus chinensis var mairei is established, and an approach for the artificial reproduction of Taxus chinensis var mairei is hewed out, so that large-scale industrial production of Taxus chinensis var mairei becomes possible, thereby satisfying the market demand for Taxus chinensis var mairei, and providing a good test system for the protection of endangered wild plant resources.

Description

technical field [0001] The invention belongs to the propagation and cultivation technology of the southern yew, and specifically provides a method for the propagation and cultivation of the southern yew. Background technique [0002] Yew, also known as yew, is a relict plant of Quaternary glaciers. It is called the "living fossil" in the plant kingdom. Because of its scarce resources, it is listed as a rare tree species in the world for protection. Paclitaxel, one of the three major anticancer drugs in the world, is mainly isolated and extracted from the bark of yew trees, which are more than 30 years old, to be of development value. At present, the international demand for it is still quite large, and the extraction of paclitaxel from the bark leads to a large number of felling of yew trees, which poses a threat to the species protection and regional distribution of yew plants, and will eventually destroy the ecological environment and cause Depletion of wild resources and...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 雷学军祝加铧雷谨榕雷训
Owner 雷学军
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