Abstract
In order to investigate the relationship between main nutrient elements and aroma precursors of flue-cured tobacco,taking cv. K326 with liquid-based cultivation as material,changes in contents of major aroma precursors such as plastid pigments (chlorophyll,lutein,β-carotene) and polyphenols (chlorogenic acid,rutin) systematically in growing process of flue-cured tobacco under N,P,K,Mg deficiency condition were figured out. The results indicated that deficiency of major nutrient elements would seriously affect the main aroma precursors. N,K,P,Mg deficiency would extremely inhibit formation of plastid pigments and polyphenols anabolin,N deficiency affected carotenoid the most,P,Mg deficiency followed,K deficiency once again followed,and P deficiency affected polyphenols the most,Mg,K deficiency followed,N deficiency affected the least. Therefore,mainatining an adequate and reasonable supply of N,P,K,Mg in the latter period of production and having a further study on balanced fertilization are vital to improve the aroma and quality of flue-cured tobacco in China.
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Claims 5
Claim · model-written summary
N, K, P, and Mg deficiencies inhibited plastid pigment formation.
- Taxon
- flue-cured tobaccot0
- Treatment
- N,K,P,Mg deficiencye0
- Outcome
- formation of plastid pigmentse0
- Direction
- inhibite0
Not reportedComparator
Verbatim
e0“N,K,P,Mg deficiency would extremely inhibit formation of plastid pigments and polyphenols anabolin”
t0“flue-cured tobacco”
Claim · model-written summary
N, K, P, and Mg deficiencies inhibited polyphenol formation.
- Taxon
- flue-cured tobaccot0
- Treatment
- N,K,P,Mg deficiencye0
- Outcome
- polyphenols anaboline0
- Direction
- inhibite0
Not reportedComparator
Verbatim
e0“N,K,P,Mg deficiency would extremely inhibit formation of plastid pigments and polyphenols anabolin”
t0“flue-cured tobacco”
Claim · model-written summary
Nitrogen deficiency affected carotenoids most, followed by phosphorus and magnesium, then potassium.
Verbatim
e0“N deficiency affected carotenoid the most,P,Mg deficiency followed,K deficiency once again followed”
t0“flue-cured tobacco”
Claim · model-written summary
Phosphorus deficiency affected polyphenols most, followed by magnesium and potassium, then nitrogen.
Verbatim
e0“P deficiency affected polyphenols the most,Mg,K deficiency followed,N deficiency affected the least”
t0“flue-cured tobacco”
Claim · model-written summary
The authors recommend adequate balanced N, P, K, and Mg supply late in production to improve tobacco aroma and quality.
Verbatim
e0“mainatining an adequate and reasonable supply of N,P,K,Mg in the latter period of production and having a further study on balanced fertilization are vital to improve the aroma and quality of flue-cured tobacco in China”
t0“flue-cured tobacco”
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