Impact of sources and doses of potassium on biochemical and greenleaf parameters of tea

Food Chemistry

Volumn 90, Issue 4, 2005, Pages 535-539

  Venkatesan, S ^a   Murugesan, S ^a   Senthur Pandian, V K ^a   Ganapathy, M N K ^a  

^a UPASI Tea Research Foundation   (India)

Author keywords

Amino acids; Carotenoids; Chlorophyll; MOP; NK fertilisers; Polyphenols; SOP; Tea

Indexed keywords

AMINO ACID DERIVATIVE; CAROTENOID; CATECHIN; CHLOROPHYLL; MAGNESIUM; NITROGEN; PHOSPHORUS; POLYPHENOL DERIVATIVE; POTASSIUM; SULFATE; ZINC;

ARTICLE; BIOCHEMISTRY; CORRELATION ANALYSIS; NUTRIENT; PLANT LEAF; TEA;

EID: 7044274330     PISSN: 03088146     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foodchem.2004.05.014     Document Type: Article

References (19)

1. Bhargava B.S., Raghupathi H.B. Analysis of plant materials for macro and micronutrients. Tandon H.L.S. Methods of analysis of soils, plants, waters and fertiliser. 2001;49-82 Fertiliser Association and Consultation Organization, New Delhi, India
2. Dev Choudhury M.N., Goswami M.R. Arapid method for determination of total polyphenolic matter in tea (Camellia sinensis L). Two and a Bud. 30:1983;59-61
3. Sharma G. Tea wonderful health drink. The Assam Review and Tea News. 2001;9-12
4. Gomez K.A., Gomez A.A. Two factor experiments. Statistical procedures for agricultural research. 1984;84-129 Wiley, New York
5. Krishnapillai S., Ediriweera V.L. Influence of levels of nitrogen and potassium fertilizers on chlorophyll content in mature clonal tea leaves. Sri Lankan Journal of Tea Science. 55:1986;71-76
6. Mengel K., Kirkby E.A. Principles of plant nutrition. 1978;International Potash Institute, Switzerland
7. Moore S., Stein W.H. Colowick S.P., Kaplan N.D. Methods in enzymol. 1948;468 Academic press, New York
8. Pfluger R., Widemann R. Der Einfluss monovaleant Kationene auf die Nitrate duktion bei Spinacia oleracea L. Zeitschrift fur Pflanzenphysiologie. 85:1977;125-133
9. Ramakrishna R.S., Palmakumbura S., Chatt A. Varietal variation and correlation of trace metal levels with catechins and caffeine in Sri Lanka tea. Journal of the Science of Food and Agriculture. 38:1987;331-339
10. Ravichandran R., Parthiban R. Tea carotenoids. Planters' Chronicle. 93:1997;327
11. Ruan J., Wu X., Hardter R. Effect of potassium, magnesium and sulphur applied in different forms of fertilizers on free amino acids content in leaves of tea (Camellia sinensis L). Journal of the Science of Food and Agriculture. 76:1998;107-113
12. Ruan J., Wu X., Yong Ye, Hardter R. Effects of potassium and magnesium nutrition on the quality components of different types of tea. Journal of the Science of Food and Agriculture. 79:1999;47-52
13. Swain T., Hillis W.E. The phenolic constituents of Prunus domestica. I. The quantitative analysis of Phenolic constituents. Journal of the Science of Food and Agriculture. 10:1959;63-68
14. Venkatesan S., Verma D.P., Navaneetha Krishna Ganapathy M. Targetted yield equations of nitrogen for clonal teas under south Indian conditions. Journal of Indian Society of Soil Science. 51:2003;178-183
15. Verma D.P., Palani N. Magnesium fertilization for sustainable tea productivity in south India. Journal of Plantation Crops. 21:1993;81-85
16. Verma D.P., Palani N. Manuring of tea in south India (revised recommendations). Handbook of tea culture. 1997;UPASI Tea Research Institute, Valparai, Tamil Nadu. (Section 11, p. 33)
17. Wellburn R. The spectral determination of chlorophylls a and b, as well as total carotenoids, using various solvents with spectrophotometers of different resolution. Journal of Plant Physiology. 144:1994;307-313
18. Wu Xun Effect of potassium and magnesium on polyphenols in black tea. WuBinghua A. K and Mg in balanced fertilization in China's tea gardens. 1995;1-16 International Potash Institute, Switzerland
19. Zongmao Chen Pharmacological functions of tea. Planters' Chronicle. 2003;20-37