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Method for improving NC102 flue-cured tobacco variety

A flue-cured tobacco variety and flue-cured tobacco technology, applied in botany equipment and methods, horticulture, application, etc., can solve the problems of incompatibility between two varieties of hybrids, large separation of offspring of hybrids, and premature death of hybrids, so as to increase the fragrance of roses and develop the root system , a wide range of adaptable effects

Active Publication Date: 2013-02-13
HONGYUN HONGHE TOBACCO (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no successful reports have been seen in the prior art. The reason is that it is very easy to have technical problems such as incompatibility between two varieties of hybrids, easy premature death of hybrids, general infertility, large separation of hybrid offspring, and difficulty in stability.

Method used

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  • Method for improving NC102 flue-cured tobacco variety

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Embodiment 1

[0020] In the red tobacco flue-cured tobacco base in Mile County, Yunnan Province, 600 plants of NC102 and Mohong Rose were planted respectively. The specific operation steps are as follows:

[0021] 1. Select the rootstock and scion: the rootstock should be the dark red rose variety, which must be biennial, robust, free from diseases and insect pests, and have a diameter of more than 0.5 cm; the scion of the NC102 variety should be about 50 days old, with a stem height of 8 cm and a stem circumference of 0.5 to 1 cm. , the leaf buds are full, and there is no damage to the tobacco seedlings by diseases and insect pests.

[0022] 2. Grafting time: May to June is the best time for grafting. At this time, the activity of meristematic cells is strong, healing is fast, and the survival rate is high.

[0023] 3. Grafting method: Bud grafting is adopted.

[0024] ①Preparation: About 10 days before budding, cut off the branches of the selected rootstock that are more than 8 cm above ...

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Abstract

The invention discloses a method for improving an NC102 flue-cured tobacco variety, which comprises the steps of selecting a crimson glory rose as stock, selecting a seedling of NC102 flue-cured tobacco as scion, and carrying out grafting by means of a bud grafting method during May to June. The grafting mouth of the stock is 2-3cm away from the root portion, the cut is in a T shape, axillary buds with growing points are selected to serve as the scion, and plants are transplanted into fields after grafting survival. The method is characterized in that distant hybridization is achieved between the crimson glory rose and the NC102 flue-cured tobacco variety for the first time. By means of the grafting, pest and disease resistance capacities of new plants are improved, the new plants have the characteristics of the NC102 flue-cured tobacco variety and additionally have peculiar smell of the crimson glory rose, and aroma amount and aroma quality of tobacco are both improved.

Description

technical field [0001] The invention belongs to the technical field of flue-cured tobacco cultivation, and in particular relates to a method for improving NC102 flue-cured tobacco variety through distant hybridization. Background technique [0002] The NC102 flue-cured tobacco variety belongs to the dicotyledonous plant class Solanaceae and the genus Nicotiana in plant taxonomy, and is an annual herb plant. The flue-cured tobacco NC102 variety has a long growth period and is generally planted at medium and low altitudes (below 1600 meters). Industrial enterprises usually adopt technological processes, such as adding spice additives, etc. to improve the industrial usability of NC102 tobacco leaves, but improving NC102 flue-cured tobacco varieties is one of the most direct ways to solve the quality problems of tobacco leaves. [0003] As we all know, the existing cultivated tobacco varieties are derived from a small number of common relatives with relatively close genetic rel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06A01G1/00
Inventor 冯洪涛余贺龙周桂园田孟玉李慧李辉谢志强李滟芳刘晓波马骥
Owner HONGYUN HONGHE TOBACCO (GRP) CO LTD
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