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Method for improving K326 cured tobacco variety

A flue-cured tobacco variety and variety pure technology, applied in the field of flue-cured tobacco cultivation, can solve the problems of incompatibility between two varieties of hybrids, large separation of hybrid offspring, and easy premature death of hybrids, so as to reduce the incidence of bacterial wilt, increase fruity aroma, adapt sexually widespread effect

Active Publication Date: 2012-06-20
HONGYUN HONGHE TOBACCO (GRP) CO LTD
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  • Abstract
  • Description
  • Claims
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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 K326 cured tobacco variety
  • Method for improving K326 cured tobacco variety

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 500 plants of two varieties of K326 flue-cured tobacco and rose grape were planted in the red tobacco flue-cured tobacco base in Mile County, Yunnan Province, and the comparison tests of grafting affinity, plant growth characteristics after grafting, disease and insect resistance ability and quality of flue-cured tobacco leaves were carried out. The specific operation steps are as follows:

[0021] 1. Select the rootstock and scion: choose the rose grape variety for the rootstock, preferably when the green branches of the year have reached a semi-lignified state, that is, the whitening after cutting is the best time for grafting. Grafting is generally selected in the morning and afternoon of cloudy or sunny days It is appropriate. It should be robust, free from diseases and insect pests, and have a diameter of more than 0.5 cm; the scion should be the K326 flue-cured tobacco variety, and the scion must be pure and full of leaf buds without viruses. The branches used as...

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Abstract

The invention discloses a method for improving K326 cured tobacco variety. The method comprises the steps of: selecting muscat hamburg grape as a root stock and K326 cured tobacco seedling as a scion, grafting in the first ten days of May by adopting a whip grafting method, and transplanting the survived grafted plants to field. According to the invention, the muscat hamburg grape and K326 cured tobacco variety are subjected to distant hybridization for the first time; by virtue of grafting, the disease and pest resistance of the new plants is improved, and the new plants not only have the characteristics of 326 cured tobacco variety, but also have specific fruity essence of muscat hamburg grape; and the essence quantity and essence quality of the tobacco are 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 K326 flue-cured tobacco variety through distant hybridization. Background technique [0002] The K326 flue-cured tobacco variety belongs to the Dicotyledonous Phylophytes Solanaceae and Nicotiana genus in plant taxonomy, and is an annual herb plant. K326 was introduced from the United States to Yunnan Province in 1985 and promoted in 1989. Industrial enterprises usually adopt methods such as technological treatment and adding spice additives to improve the industrial usability of K326 tobacco leaves, but improving K326 flue-cured tobacco varieties is one of the most direct ways to solve the decline in tobacco leaf quality. [0003] As we all know, the existing cultivated tobacco varieties are derived from a small number of common relatives with relatively close genetic relationship and poor genetic basis. Very few. Ther...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G1/00
Inventor 田孟玉周桂园谢志强马骥余贺龙李辉冯洪涛刘晓波李慧李滟芳
Owner HONGYUN HONGHE TOBACCO (GRP) CO LTD
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