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Method for improving flue-cured tobacco variety Yunyan97

A flue-cured tobacco variety and cloud tobacco technology, applied in the field of flue-cured tobacco cultivation, can solve the problems of incompatibility of hybrids between two varieties, large separation of hybrid offspring, easy premature death of hybrids, etc., and achieve the effects of good industrial utilization value, fewer diseases and insect pests, and developed root system.

Active Publication Date: 2012-06-13
HONGYUN HONGHE TOBACCO (GRP) CO LTD
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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 Yunyan97

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Embodiment 1

[0019] 1,000 plants of Yunyan 97 and Xiangju were planted in the red tobacco flue-cured tobacco base in Mile County, Yunnan Province, and the comparison tests of plant growth characteristics, graft compatibility, disease and pest resistance and quality of cured tobacco leaves were carried out after grafting. details as follows:

[0020] 1. Rootstock cultivation

[0021] Fragrant chrysanthemum is a perennial herb belonging to the genus Chrysanthemum in the family Asteraceae. Erect, branched subshrubs, 10-40 cm high. It likes to be cool, relatively cold-resistant, suitable for growth at 18-21°C, and its underground rhizomes are drought-tolerant, and it is most avoiding waterlogging. It likes high-lying, deep soil, rich in humus, loose and fertile, and well-drained soil. It can grow in slightly acidic to slightly alkaline soil. The main chemical components of Fragrant Chrysanthemum are adenine, choline, stachydrine, luteolin, luteolin-7-glucoside, and anthocyanin; it still con...

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Abstract

The invention discloses a method for improving a flue-cured tobacco variety Yunyan97. The method comprises the following steps of: on the basis of selecting dendranthema indicum as understock and a seedling of the flue-cured tobacco variety Yunyan97 as scion, grafting at the last ten-day period of March by adopting a side grafting method, i.e. cutting the lower end of the scion into a slowly inclined wedge-shaped plane by using a cutter, cutting the understock to reach the one fourth part of the diameter of the understock downward at a bevel angle by using the cutter, and inserting the scion into the cut of the understock; and after grafting is successful, transplanting plants into a large field. According to the method, distant hybridization is carried out on the dendranthema indicum andthe flue-cured tobacco variety Yunyan97 for the first time, and by virtue of grafting, not only can the pest and disease resistance of new plants be improved, but also the new plants have the characteristics of the flue-cured tobacco variety Yunyan97 and also have the advantages that the quality of tobacco is improved, the nicotine of tobacco is also obviously reduced and the pungency is reduced.

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 Yunyan 97 flue-cured tobacco variety through distant hybridization. Background technique [0002] The flue-cured tobacco variety Yunyan 97 is bred by Yunyan 85×CV87 by Yunnan Institute of Tobacco Science. The agricultural review by the Variety Approval Committee has been planted for 6 years. Yunyan 97 has performed well from the seedling stage to the field stage, with strong growth, neat growth, strong disease resistance, beautiful field growth, high yield and output value, and the appearance quality of tobacco leaves. It has reached the level of high-quality tobacco, but the chemical components inside the tobacco leaves are not coordinated, especially the high content of nicotine has become a prominent problem in the current production of Yunyan 97 flue-cured tobacco. [0003] There are many measures to reduce the nicoti...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G1/00
Inventor 李辉谢志强冯洪涛李滟芳田孟玉马骥周桂园李慧余贺龙刘晓波
Owner HONGYUN HONGHE TOBACCO (GRP) CO LTD
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