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Flue-cured tobacco management method and flue-cured tobacco baking method for alleviating cold-injury tobaccos by adoption of betaine

A management method and betaine technology are applied in the directions of tobacco, application and preparation of tobacco to achieve the effects of promoting tobacco plant absorption, low price and simple operation

Active Publication Date: 2018-11-02
YUNNAN ACAD OF TOBACCO AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problem of cold-injury smoke occurring in the field tobacco production process, the first purpose of the present invention is to provide a flue-cured tobacco management method based on betaine application to alleviate cold-injury tobacco, and the second purpose is to provide a flue-cured tobacco based on betaine application to alleviate cold-injury tobacco baking method

Method used

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  • Flue-cured tobacco management method and flue-cured tobacco baking method for alleviating cold-injury tobaccos by adoption of betaine
  • Flue-cured tobacco management method and flue-cured tobacco baking method for alleviating cold-injury tobaccos by adoption of betaine
  • Flue-cured tobacco management method and flue-cured tobacco baking method for alleviating cold-injury tobaccos by adoption of betaine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] A flue-cured tobacco management method based on betaine application to alleviate cold damage tobacco, comprising the following steps:

[0068] 1) Prevention of chilling smoke: according to the weather conditions, spray betaine solution on tobacco plants that have not yet suffered chilling to prevent chilling smoke; specifically, according to the local weather forecast, the temperature drop is divided into three levels as follows: Level 1: temperature drop 6 degrees / night; level 2: the temperature drops by 8 degrees / night; level 3: the temperature drops by 10 degrees / night;

[0069] When the temperature drops to grade 1; the spraying amount of betaine solution is 8mmol L -1 ;

[0070] When the temperature drops to level 2; the spraying amount of betaine solution is 13mmol L -1 ;

[0071] When the temperature drops to level 3; the spraying amount of betaine solution is 17mmol L -1 ;

[0072] 2) Grade identification and secondary spraying of chilling-injured tobacco: ...

Embodiment 2

[0082] A flue-cured tobacco management method based on betaine application to alleviate cold damage tobacco, comprising the following steps:

[0083] 1) Prevention of chilling smoke: according to the weather conditions, spray betaine solution on tobacco plants that have not yet suffered chilling to prevent chilling smoke; specifically, according to the local weather forecast, the temperature drop is divided into three levels as follows: Level 1: temperature drop 8 degrees / night; level 2: the temperature drops by 10 degrees / night; level 3: the temperature drops by 12 degrees / night;

[0084] When the temperature drops to grade 1; the spraying amount of betaine solution is 13mmol L -1 ;

[0085] When the temperature drops to grade 2; the spraying amount of betaine solution is 17mmol L -1 ;

[0086] When the temperature drops to level 3; the spraying amount of betaine solution is 23mmol L -1 ;

[0087] 2) Grade identification and secondary spraying of chilling-injured tobacco: ...

Embodiment 3

[0097] A flue-cured tobacco management method based on betaine application to alleviate cold damage tobacco, comprising the following steps:

[0098] 1) Prevention of chilling smoke: according to the weather conditions, spray betaine solution on tobacco plants that have not yet suffered chilling to prevent chilling smoke; specifically, according to the local weather forecast, the temperature drop is divided into three levels as follows: Level 1: temperature drop 7 degrees / night; level 2: the temperature drops by 9 degrees / night; level 3: the temperature drops by 11 degrees / night;

[0099] When the temperature drops to grade 1; the spraying amount of betaine solution is 10mmol L -1 ;

[0100] When the temperature drops to grade 2; the spraying amount of betaine solution is 15mmol L -1 ;

[0101] When the temperature drops to grade 3; the spraying amount of betaine solution is 20mmol L -1 ;

[0102] 2) Grade identification and secondary spraying of chilling-injured tobacco:...

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Abstract

The invention discloses a flue-cured tobacco management method and a flue-cured tobacco baking method for alleviating cold-injury tobaccos by adoption of betaine. The method comprises the following steps: 1) prevention of cold injury tobaccos: preventing the cold injury tobaccos by spraying a betaine solution to tobacco plants that do not suffer cold injury according to the weather condition; 2) grade appraisal of cold-injury tobaccos and one-time spraying: appraising grades of tobacco plants that suffer cold injury, dividing the degree of diseases of the cold injury tobaccos into three grades; and spraying the betaine solution once according to the grades of the cold-injury tobaccos; 3) secondary grade appraisal of cold-injury tobaccos and secondary spraying: appraising the grades of coldinjury tobaccos again for plants that are sprayed for 10-20 days, secondarily spraying the betaine solution according to the grade of cold injury tobaccos till the grades of cold injury tobaccos arenot above 1 grade. According to appraisal of different injury grades of the cold injury tobaccos, the betaine solution at the proper concentration is sprayed in order to alleviate the injury degree. As a result, the cold injury tobaccos in the field do not appear due to factors such as sudden drop in ambient air temperature, excessively low temperature, excessively high soil humidity, and excessively low soil temperature.

Description

technical field [0001] The invention belongs to the technical field of tobacco cultivation, and in particular relates to a flue-cured tobacco management and curing method based on the application of betaine to relieve cold damage tobacco. Background technique [0002] China is a big tobacco leaf producing country in the world and provides abundant raw materials for the world's flue-cured tobacco production. So far, the planting area of ​​flue-cured tobacco in my country has reached 14.82 million mu, accounting for more than 20% of the world's total. Flue-cured tobacco is an important source of income for some provinces in my country and has made a huge contribution to my country's tax revenue. According to the latest report, my country's 2017 tobacco tax accounted for about 7% of the national profits and taxes, amounting to as high as 1114.51 billion yuan. [0003] In the actual production and planting of flue-cured tobacco, due to the influence of low temperature, soil moi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B3/10A24B15/18
CPCA24B3/10A24B15/18
Inventor 邹聪明蔡永豪黄维祝明亮赵高坤沈俊儒李军营宋鹏飞周彬封辛兵沈燕金徐天养胡小东李焱陈洁李宝乐和健森任可陈颐
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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