References
- ABDELAZIZ, M.E. – ABDELDAYM, E.A. 2018. Cucumber growth, yield and quality of plants grown in peatmoss or sand as affected by rate of foliar applied potassium. In Bioscience Research, vol. 15, no. 3, pp. 2871 – 2879.
- ABID, M.Z. – TIAN, S.T. – ATA-UL-KARIM, F. – WANG, Y. – LIU, R. – ZAHOOR, D. – JIANG, L. – DAI, T. 2016. Adaptation to and recovery from drought stress at vegetative stages in wheat (Triticumae stivum) cultivars. In Functional Plant Biology, vol. 43, pp. 1159 – 1169. https://doi.org/10.1071/fp1615010.1071/fp16150
- ACOSTA-MOTOS, J.R. – ORTUÑO, M.F. – BERNAL-VICENTE, A. – DIAZ-VIVANCOS, P. – SANCHEZ-BLANCO, M.J. – HERNANDEZ, J.A. 2017. Plant responses to salt stress: Adaptive mechanisms. In Agronomy, vol. 7, pp. 1 – 38.
- AFZAL, I. – HUSSAIN, B. – BASRA, S.M.A. – ULLAH, S.H. – SHAKEEL, Q. – KAMRAN, M. 2015. Foliar application of potassium improves fruit quality and yield of tomato plants. In Acta Scientiarum Polonorum, Hortorum Cultus, vol. 14, no. 1, pp. 3 – 13.
- AMTMANN, A. – TROUFFLARD, S. – ARMENGAUD, P. 2008. The effect of potassium nutrition on pest and disease resistance in plants. In Physiologia Plantarum, vol. 133, pp. 682 – 691.
- AOAC, 1990. Official methods of analysis of the Association of Official Analytical Chemists, 15th ed., Association of Official Analytical Chemists, Arlington VA, pp. 1058 – 1059.
- AOAC, 1975. Official methods of analysis of the Association of Official Analysis Chemists, 12th ed., Association of Official Analytical Chemists, Washington. C. 200044.
- ARAFA, A.A. – FAROUK, S. – HAGER, S.M. 2011. Effect of potassium fertiliser, biostimulants and effective microorganisms as well as their interactions on potato growth, photo-synthetic pigments and stem anatomy. In Journal of Plant Production, vol. 8, no. 2, pp. 1017 – 1035.
- BAHMANYAR, M.A. – MASHAE, S.S. 2010. Influences of nitrogen and potassium top dressing on yield and yield components as well as their accumulation in rice (Oryzasativa). In African Journal of Biotechnology, vol. 9, no. 18, pp. 2648 – 2653.
- BOTELLA, M.A. – ARÉVALO, L. – MESTRE, T.C. – RUBIO, F. – GARCÍA-SÁNCHEZ, F. – RIVERO, R.M. – MARTÍNEZ, V. 2017. Potassium fertilization enhances pepper fruit quality. In Journal of Plant Nutrition, vol. 40, no. 2, pp. 145 – 155.
- BROWN, J.D. – LILLILAND, O. 1964. Rapid determination of potassium and sodium in plant materials and soil extracts by flame photometer. In Proceedings of the Society for Horticultural Science, vol. 48, pp. 341 – 346.
- CHAPAGAIN, B.P. – WIESMAN, Z. 2004. Effect of Nutri-Vant-PeaK foliar spray on plant development, yield, and fruit quality in greenhouse tomatoes. In Scientia Horticulturae, vol. 102, pp. 177 – 188.
- COSKUN, D. – BRITTO, D.T. – KRONZUCKER, H.J. 2014. The physiology of channel-mediated K+ acquisition in roots of higher plants. In Physiologia Plantarum, vol. 151, pp. 305 – 312.
- CUTTER, B.C. – MURPHEY, W.K. 1978. Effects of potassium on growth and wood anatomy of a Populus hybrid. In Wood Fiber, vol. 9, pp. 282 – 288.
- DOBROVICZKÁ, T. – PIRŠELOVÁ, B. – MÉSZÁROS, P. – BLEHOVÁ, A. – LIBANTOVÁ, J. – MORAVČÍKOVÁ, J. – MATUŠÍKOVÁ, I. 2013. Effects of cadmium and arsenic ions on content of photosynthetic Pigments in the leaves of Glycine max (L.) Merrill. In Pakistan Journal of Botany, vol. 45, no. 1, pp. 105 – 110.
- FAGERIA, N.K. 2009. The use of nutrients in crop plants. Boca Raton, FL. : Taylor & Francis Group, 448 p. DOI: 10.201/9781420075113
- FARAGO, M.E. 2008. Plants and the chemical elements : Biochemistry, uptake, tolerance and toxicity. Wiley-Blackwell, 302 p. ISBN 978-3-527-61590-2
- GHASEMZADEH, A. – JAAFAR, H.Z.E. 2011. Effect of CO2 enrichment on synthesis of some primary and secondary metabolites in ginger (Zingiber officinale Roscoe). In International Journal of Molecular Sciences, vol. 12, pp. 1101 – 1114.
- GHASEMZADEH, A. – JAAFAR, H.Z.E. – RAHMAT, A. – WAHAB, P.E.M. – HALIM, M.R.A. 2010. Effect of different light intensities on total phenolics and flavonoids synthesis and anti-oxidant activities in young ginger varieties (Zingiber officinale Roscoe). In International Journal of Molecular Sciences, vol. 11, pp. 3885 – 3897.
- GIUFFRIDA, F. – GRAZIANI, G. – FOGLIANO, V. – SCUDERI, D. – ROMANO, D. – LEONARDI. C. 2014. Effects of nutrient and NaCl salinity on growth, yield, quality and composition of pepper grown in soilless closed system. In Journal of Plant Nutrition, vol. 37, pp. 1455 – 1474.
- GOLCZ, A. – KUJAWSKI, P. – MARKIEWICZ, B. 2012. Yielding of red pepper (Capsicum annuum L.) under the influence of varied potassium fertilization. In Actas Scientiarum Polo-norum, Hortorum Cultus, vol. 11, no. 4, pp. 3 – 15.
- GOLCZ, A. – KUJAWSKI, P. – ZIMOWSKA, H. 2004. Effect of potassium fertilizer type on the content of nutritive components in the leaves and fruits of hot pepper (Capsicum anuum L.). In Roczniki Akademii Rolniczej Poznaniu – CCCLVI, vol. 37, pp. 75 – 80.
- HANCOCK, R.D. – VIOLA, R. 2005. Biosynthesis and catabolism of L-ascorbic acid in plants. In Critical Reviews in Plant Sciences, vol. 24, pp. 167 – 188.
- IBRAHIM, M.H. – JAAFAR, H.Z. – RAHMAT, A. – RAHMAN, Z.A. 2011. Effects of nitrogen fertilization on synthesis of primary and secondary metabolites in three varieties of Kacip Fatimah (Labisia pumila Blume). In International Journal of Molecular Sciences, vol. 12, pp. 5238 – 5254.
- IBRAHIM, M.H. – JAAFAR, H.Z.E. – KARIMI, E. – GHASEMZADEH, A. 2012. Primary, secondary metabolites, photosynthetic capacity and antioxidant activity of the malaysian herb Kacip Fatimah (Labisia pumila Benth) exposed to potassium fertilization under greenhouse conditions. In International Journal of Molecular Sciences, vol. 13, pp. 15321 – 15342.
- INTHICHACK, P. – NISHIMURA, Y. – FUKUMOTO, Y. 2012. Effect of potassium sources and rates on plant growth, mineral absorption, and the incidence of tip burn in cabbage, celery, and lettuce. In Horticulture Environment and Bio-technology, vol. 53, pp. 135 – 142.
- KAMBUROVA, K. – KIRILOV, P.L. 2008. Calculating the salt index of pK and NPK liquid fertilizers from potassium phosphates. In Journal of Chemical Technology and Metallurgy, vol. 43, pp. 227 – 230.
- KAUR, K. – GUPT, A.A.K. – KAUR, N. 2007. Effect of water deficit on carbohydrate status and enzymes of carbohydrate metabolism in seedlings of wheat cultivars. In Journal of Biochemistry and Biophysics, vol. 44, pp. 223 – 230.
- LESTER, G.E. – GRUSAK, M.A. 1999. Postharvest application of calcium and magnesium to honey- dew and netted muskmelons: Effects on tissue ion concentrations, quality and senescence. In Journal of the American Society for Horticultural Science, vol. 124, pp. 545 – 552.
- LESTER, G.E. – JIFON, J.L. – MAKUS, D.J. 2006. Supplemental foliar potassium applications with or without a surfactant can enhance netted muskmelon quality. In Hort Science, vol. 41, pp. 741 – 744.
- LESTER, G.E. – JIFON, J.L. – ROGERS, G. 2005. Supplemental foliar potassium applications during muskmelon (Cucumis melo L.) fruit development can improve fruit quality, ascorbic acid and beta-carotene contents. In Journal of the American Society for Horticultural Science, vol. 130, pp. 649 – 653.
- LESTER, G.E. – JIFON, J.L. – MAKUS, D.J. 2010. Impact of potassium nutrition on postharvest fruit quality: Melon (Cucumis melo L) case study. In Plant Soil, vol. 335, pp. 117 – 131.
- LI, W. – HE, P. – JIN, J. 2009. Potassium influenced phenylalanine ammonia-lyase, peroxidases and polyphenol oxidases in Fusarium graminearum infected maize (Zea mays L.). In Proceedings of the International Plant Nutrition Colloquium XVI, Davis, CA, USA.
- LICHTENTHALER, H.K. – WELLBURN, A.R. 1983. Determinations of total carotenoids and chlorophylls a and b of leaf extracts in different solvents. In Biochemical Society Transactions, vol. 11, pp. 591 – 592.
- LIN, D. – HUANG, D. – WANG, S. 2004. Effects of potassium levels on fruit quality of musk melon in soilless medium culture. In Scientia Horticulturae, vol. 102, no. 1, pp. 53 – 60.
- MAHMOUD, A.W.M. – ABDELAZIZ, S.M. – EL-MOGY, M.M. – ABDELDAYM, E.A. 2019. Effect of foliar ZnO and FeO nanoparticles application on growth and nutritional quality of red radish and assessment of their accumulation on human health. In Agriculture (Poľnohospodárstvo), vol. 65, no. 1, pp. 16 – 29. DOI: 10.2478/agri-2019-000210.2478/agri-2019-0002
- MARSCHNER, P. – MARSCHNER, S. 2012. Mineral Nutrition of Higher Plants. 3rd ed. London, UK : Academic Press, pp. 178 – 189.
- NASSAR, M.A. – EL-SAHHAR, K.F. 1998. Botanical Preparations and Microscopy (Microtechnique). Dokki, Giza, Egypt : Academic Bookshop, 219 p.
- NORHAIZA, M. – MAZIAH, M. – HAKIMAN, M. 2009. Antioxidative properties of leaf extracts of popular Malaysian herb, Labisiapumila. In Journal of Medicinal Plants Research, vol. 3, pp. 217 – 223.
- O’TOOLE, J.C. – TREHARNE, K. – TURNIPSEED, M. – CROOKSTON, K. – OZBUN, J. 1980. Effect of potassium nutrition on leaf anatomy and net photosynthesis of Phaseolus vulgaris L. In The New Phytologist, vol. 84, pp. 623 – 630.
- PENG, J. – LIU, J. – ZHANG, L. – LUO, J. – DONG, H. – MA, Y. – ZHAO, X. – CHEN, B. – SUI, N. – ZHOU, Z. – MENG, Y. 2016. Effects of soil salinity on sucrose metabolism in cotton leaves. In Plos ONE, vol. 11, no. 5: e0156241.
- PERVEZ, H. – MAKHDUM, M.I. – ASHRAF, M. – SHABAB, U.D. 2006. Influence of potassium nutrition on leaf area index in cotton (Gossypium hirsutum L.) under an arid environment. In Pakistan Journal of Botany, vol. 38, no. 4, pp. 1085 – 1092.
- PIPER, C.S. 1947. Soil and Plant Analysis. Adelaide, UK : The University of Adelaide, 368 p.
- PREGL, F. 1945. Quantitative-organic Micro-analysis. 4th ed., London : J. and A. Churchill Ltd.
- QUA, C. – LIUA, C. – GONGA, X. – LI, C. – HONG, M. – WANG, L. – HONG, F. 2012. Impairment of maize seedling photosynthesis caused by a combination of potassium deficiency and salt stress. In Environmental and Experimental Botany, vol. 75, pp. 134 – 141.
- SALAMA, S. – TRIVEDI, S. – BUSHEVA, M. – ARATA, A.A. – GRAB, G. – ERDEI, L. 1994. Effects of NaCl salinity on growth, cation accumulation, chloroplast structure and function in wheat cultivars differing in salt tolerance. In Journal of Plant Physiology, vol. 144, pp. 241 – 247.
- SHEHATA, S.A. – EL-MOGY, M.M. – MOHAMED, H.F.Y. 2019. Postharvest quality and nutrient contents of long sweet pepper enhanced by supplementary potassium foliar application. In International Journal of Vegetable Science, vol. 25, no. 2, pp. 196 – 209.
- SHUI, Y.C. – FENG, X. – YAN, W. 2009. Advances in the study of flavonoids in Gingko biloba leaves. In Journal of Medicinal Plants Research, vol. 3, pp. 1248 – 1252.
- SUN, J. – LI, C.H. – SUN, H.Y. – CAO, M.J. – WANG, X.G. 2011. The effect of low potassium stress on growth and development of different soybean genotypes. In Chinese Journal of Soil Science, vol. 42, pp. 431 – 434.
- SWAIN, T. – HILLIS, W.E. 1959. The phenolic constituents of Prunusdomestica L. The quantitative analysis of phenolic constituents. In The Journal of the Science of Food and Agriculture, vol. 10, pp. 63 – 68.
- TRIPURA, P. – KUMAR, S. – VERMA, R. 2017. Effect of potassium humate and bio-inoculants on nutrient content, up-take and quality of cowpea (Vignaun guiculata (L.) Walp. In International Journal of Current Microbiology and Applied Sciences, vol. 6, no. 2, pp. 1735 – 1741.
- ZAHOOR, R. – DONG, H. – ABID, M. – ZHAO, W. – WANG, Y. – ZHOU, Z. 2017. Potassium fertilizer improves drought stress alleviation potential in cotton by enhancing photosyn-thesis and carbohydrate metabolism. In Environmental and Experimental Botany, vol. 137, pp. 73 – 83.
- ZHAO, D. – OOSTERHUIS, D.M. – BEDNARZ, C.W. 2001. Influence of potassium deficiency on photosynthesis, chlorophyll content, and chloroplast ultrastructure of cotton plants. In Photosynthetica, vol. 39, pp. 103 – 109.