Cultivating method for northern cold-resistant citruses

A cultivation method and citrus technology, applied in the field of plant cultivation, can solve the problems of bad taste and inability to spend the winter in the north, and achieve the effect of fast wound healing

Inactive Publication Date: 2015-03-11
周效文
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are similar grafted oranges in the south that cannot survive the winter in the north, and the taste is not good

Method used

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

[0018] A method for cultivating northern cold-resistant citrus, comprising the steps of:

[0019] (1) Adopt the northern cold-resistant citrus family plant as rootstock:

[0020] The northern cold-resistant Citrus family plant is trifoliate trifoliate plant, which is planted in neutral to slightly acidic soil with a planting density of 3×4m. A robust trifoliate trifoliate tree with a tree age of three years or more is preferred as the rootstock, and the older the tree, the better.

[0021] The Hovenia trifoliateum is a light-loving, slightly shade-tolerant, warm and humid climate, relatively cold-resistant plant, likes to be born in fertile, deep slightly acidic soil, and is not demanding on the soil; the winter temperature is not lower than minus 25°C and can survive the winter safely , seedlings need to take cold protection measures, ...

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Abstract

The invention provides a cultivating method for northern cold-resistant citruses. The method specifically comprises the following steps: (1) selecting a northern cold-resistant citrus plant which is three years old or more as a stock, and selecting an annual branch of a southern citrus tree which has born fruits in former years as a scion; (2) grafting the scion into a formation layer of the stock, carrying out outdoor grafting in March in the same year, and covering the scion and a grafted opening by virtue of airtight and waterproof bags after grafting by adopting a grafting method; (3) after the scion grows shoots, reserving a healthy branch with flourishing leaves as a permanent branch, and cultivating and acclimatizing year by year; (4) protecting upper branches in the first winter, keeping out the wind at an upper air inlet in the second winter, and not adopting protective measures in the third winter, thus the northern cold-resistant citruses are cultivated.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a method for cultivating northern cold-resistant citrus. Background technique [0002] Citrus grows normally in the south and belongs to southern fruits. The economic cultivation area of ​​citrus in China is mainly concentrated between 20°-33° north latitude and below 700-1000 meters above sea level. Since ancient times, there has been a saying that "oranges grown in Huainan are tangerines, and those grown in Huaibei are oranges". This is because the growth of citrus roots requires temperatures higher than 13°C and soil water potential. During freezing or dry seasons, the roots stop growing and cannot absorb nutrients. , so citrus has poor cold resistance. In the present invention, citrus is grafted on the stock of northern cold-resistant citrus plants, and after many years of technical measures such as domestication, optimization and grafting, a variety th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 周效文
Owner 周效文
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