Method for improving flue-cured tobacco variety Yuanyan 85

A technology for flue-cured tobacco varieties and cloud tobacco, which is 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, easy premature death of hybrids, etc., and achieves the effects of improving disease and insect resistance, increasing aroma and wide adaptability.

Active Publication Date: 2012-06-20
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 flue-cured tobacco variety Yuanyan 85
  • Method for improving flue-cured tobacco variety Yuanyan 85
  • Method for improving flue-cured tobacco variety Yuanyan 85

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～2

[0020] The inventor conducted comparative experiments on the growth characteristics of grafted plants, grafting compatibility, resistance to diseases and insect pests, and quality of flue-cured tobacco leaves in a flue-cured tobacco base in Mile County, Yunnan Province.

[0021] Table 1 Basic conditions of the test

[0022]

[0023] Embodiment test operation steps are as follows:

[0024] (1) Select rootstock and scion: the rootstock is selected from Siji rose and Pingyin No. 1 rose varieties, which are required to be biennial, robust, free of diseases and insect pests, and have a diameter of more than 0.5 cm; the scion is selected from the flue-cured tobacco variety Yunyan 85, and the seedling age is required to be about 50 days. The stem height is 5-7cm, the stem girth is 0.5-1cm, the leaf buds are plump, and there is no damage to the tobacco seedlings by diseases and insect pests.

[0025] (2) Grafting time: The grafting time is selected to be carried out in the first t...

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Abstract

The invention discloses a method for improving flue-cured tobacco variety Yuanyan 85, which includes: selecting a rose stock; using a seedling of the flue-cured tobacco Yuanyan 85 as a scion; budding for grafting in early April; maintaining a graft union of the stock 2-3cm away from a root, shaping a cut into a 'T', using axillary bud with a growing point as the scion, and transplanting a plant to a field after grafting succeeds. Originally, the rose and the flue-cured tobacco variety Yuanyan 85 are subjected to distant hybridization, using grafting improves pest and disease resistance of newplants while the new plants have the characteristics of the flue-cured tobacco Yuanyan 85 and also have unique fragrance of the rose, and aroma amount and aroma quality of tobacco leaves 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 the Yunyan 85 flue-cured tobacco variety through distant hybridization. Background technique [0002] The flue-cured tobacco variety Yunyan 85 belongs to the Dicotyledonous Phylophytes Solanaceae and Nicotiana genus in plant taxonomy, and is an annual herb plant. It is a variety bred by crossing K326 and Yunyan 2. At present, our country has been planted in large quantities for 10 years, and the characteristics of various varieties have changed to a certain extent. Especially, continuous cropping and excessive application of chemical fertilizers have resulted in reduced oil content, reduced aroma, and reduced aroma of the tobacco leaves after roasting, resulting in a decline in the quality of the tobacco leaves. Industrial usability value reduced. Industrial enterprises usually adopt technological treatment, such as addin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G1/00
Inventor 冯洪涛李辉李慧李滟芳刘晓波周桂园谢志强余贺龙马骥田孟玉
Owner HONGYUN HONGHE TOBACCO (GRP) CO LTD
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