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2004•He'nan nongye daxue xuebaoRequires access

The effect of different nitrogen forms on key enzyme activity in carbon-nitrogen metabolism and chemical composition of flue-cured tobacco leaves

Yue Jun-qin

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Abstract

A study was conducted on the effect of different nitrogen forms on the activity of GS,SS,SPS and content of nicotine and reduced carbohydrate in flue_cured tobacco leaves through filed experiment.The result showed that GS of T2 remained a relatively high level from 85 d after transplanting to the end.The content of nicotine was 1.2 times that of T1,1.1times that of T3 on 91 d after transplanting,the content of reduced carbohydrate was 0.4 times that of T1,0.6 times that of T3. T1 was more suitable for the accumulation of reduced carbohydrate ;T3 was more suitable for the harmonization of carbon_nitrogen metabolism.

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What this paper is about

A study was conducted on the effect of different nitrogen forms on the activity of GS,SS,SPS and content of nicotine and reduced carbohydrate in flue_cured tobacco leaves through filed experiment.The result showed that GS of T2 remained a relatively high level from 85 d after transplanting to the end.The content of nicotine was 1.2 times that of T1,1.1times that of T3 on 91 d after transplanting,the content of reduced carbohydrate was 0.4 times that of T1,0.6 times that of T3. T1 was more suitable for the accumulation of reduced carbohydrate ;T3 was more suitable for the harmonization of carbon_nitrogen metabolism.

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Available abstract

A study was conducted on the effect of different nitrogen forms on the activity of GS,SS,SPS and content of nicotine and reduced carbohydrate in flue_cured tobacco leaves through filed experiment.The result showed that GS of T2 remained a relatively high level from 85 d after transplanting to the end.The content of nicotine was 1.2 times that of T1,1.1times that of T3 on 91 d after transplanting,the content of reduced carbohydrate was 0.4 times that of T1,0.6 times that of T3. T1 was more suitable for the accumulation of reduced carbohydrate ;T3 was more suitable for the harmonization of carbon_nitrogen metabolism.

Key concepts: Curing of tobacco, Nitrogen, Transplanting, Chemistry, Food science, Carbohydrate, Nicotine, Carbon fibers

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