| Effects of different organic acids on maturity physiological and nutrition metabolism of flue-cured tobacco |
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| DOI：10.7606/j.issn.1000-7601.2008.04.12 |
| Key Words: lue-cured tobacco organic acids maturity physiological metabolism nutrition metabolism |
| Author Name | Affiliation | | HUA Dangling | College of Resources and Environment Henan Agricultural University,Zhengzhou 450002,China | | DU Jun | College of Resources and Environment Henan Agricultural University,Zhengzhou 450002,China | | LIU Shiliang | College of Resources and Environment Henan Agricultural University,Zhengzhou 450002,China | | LIU Fang | College of Resources and Environment Henan Agricultural University,Zhengzhou 450002,China | | WANG Weichao | Xiangcheng Tobacco Company Henan 461700, China | | WANG Xuefen | Xiangcheng Tobacco Company Henan 461700, China | | JIE Xiaolei | College of Resources and Environment Henan Agricultural University,Zhengzhou 450002,China；Zhengzhou College of Animal Husbandry Engineering,Zhengzhou 450011,China |
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| Abstract: |
| Apot trial was conducted to systematically study the effects of malic acid oleic acid and FA on maturity physiological and nutrition metabolism of flue-cured tobacco．The main results were as follows：During the ripe harvesting time the three organic acids could obviously reduce velum lipid peroxidation degree of tobacco leaves and could obviously improve the resistance of flue-cured tobacco which was in favor of promoting the growth of flue-cured tobacco. Simultaneously the three organic acids could improve total sugar reducing sugar and nicotine contents of tobacco leaves in different degree．Malic acid could obviously increase the K content of the middle and lower stalk position leaves．During the over-ripe harvesting time in comparison with the ripe harvesting time malic acid and FA could obviously increase the K content of the upper stalk position leaves. At the same time malic acid and oleic acid could obviously increase total sugar and reducing sugar contents of tobacco leaves．Oleic acid however could obviously reduce the starch and nicotine contents of tobacco leaves and could remarkably strengthen the ability of resisting senescence and raise the ability of resisting adversity. |
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