Abstrakt
The aim of this study was to assess vase life of leaves harvested at two dates – in the spring and summer, for 3 cultivars of Heuchera L. following the application of benzyladenine in spraying of maternal plants one day prior to leaf harvest. Leaves of cultivar ‘Southern Comfort’ were most durable, while those of cultivar ‘Purple Petticoats’ – least durable. Leaves harvested in summer had a longer vase life, except for leaves of cultivar ‘Plum Royale’. BA (300 and 600 mg·dm-3) in leaves of cultivar ‘Plum Royale’ improved vase life only in leaves harvested in the summer. BA (100 and 300 mg·dm3) in cultivar ‘Purple Petticoats’ – in leaves harvested in spring, while when used at a concentration of 300 and 600 mg·dm-3 – in those col-lected in the summer. BA (100–600 mg·dm-3) in cultivar ‘Southern Comfort’ considerably improved vase life of leaves cut in the spring and summer. BA inhibited protein degradation. In the tested cultivars in leaves, harvested in the spring and summer, treated with benzyladenine the content of saccharides was higher.
Bibliografia
Arora, R., Pitchay, D.S., Bearce, B.C. (1998). Water stress induced heat tolerance in geranium leaf tissues a possible link through stress proteins. Physiol. Plant., 103, 24–34.
Björnesjö, K.B. (1955). Analysis of protein-bound serum polysaccharides with anthrone reagent. Scand. J. Clin. Lab. Inv., 6, 147–152.
Bradford, M.M. (1976). A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding. Anal. Bio-chem., 72, 248–254.
Brault, M., Maldiney, R. (1999). Mechanism of cytokinin action. Plant Physiol. Biochem., 37, 403–412.
Camejo, D., Rodrıguez, P., Morales, M.A., Dell’Amico, J.M., Torrecillas, A., Alarcon, J.J. (2005). High temperature effects on photosynthetic activity of two tomato cultivars with different heat susceptibility. Plant Physiol., 162, 281–289.
Downs, C.G., Somerfield, S.D., Davey, M.C. (1997). Cytokinin treatment delays senescence but not sucrose loss in harvested broccoli. Postharv. Biol. Tec., 11, 93–100.
Gan, S., Amasino, R.M. (1997). Making sense of senescences. Plant Pysiol., 113, 313–319.
Janowska, B. (2012). Wpływ kondycjonowania w kwasie giberelinowym i benzyloadeninie na pozbiorczą trwałość liści obrazków włoskich (Arum italicum Mill.). Nauka Przyr. Technol., 6,1 #9.
Janowska, B., Stanecka, A. (2011). Effect of growth regulators on the postharvest longevity of cut flowers and leaves of the calla lily (Zantedeschia Spreng.). Acta Agrob., 64(4), 91–98.
Janowska, B., Stanecka, A., Czarnecka, B. (2012). Postharvest longevity of the leaves of the calla lily (Zantedeschia Spreng.). Acta Sci. Pol. Hortorum Cultus, 11(1), 121–131.
Janowska, B., Grabowska, R., Ratajczak, E. (2013). Postharvest longevity of leaves of the sea lavender (Limonium latifolium (Sm.) Kuntze) after application of growth regulators. Hort. Sci. (Prague), 40(4), 172–176.
Kozłowska, M., Rybus-Zając, M., Stachowiak, J., Jan-owska, B. (2007). Changes in carbohydrate contents of Zantedeschia leaves under gibberellin-stimulated flowering. Acta Physiol. Plant., 29, 27–32.
Palavan-Ünsal, N., Çağ, S., Çetin, E., Büyüktunçer, D. (2002). Retardation of senescence by meta-topolin in wheat leaves. J. Cell. Mol. Biol., 1, 101–108.
Pogroszewska, E., Woźniacki, A. (2005). Wpływ sposobu pozbiorczego traktowania na trwałość zieleni ciętej wykorzystywanej w kompozycjach kwiatowych. Zesz. Prob. Post. Nauk Roln., 504, 215–222.
Rabiza-Świder, J., Skutnik, E. (2008). Wpływ substancji chemicznych na starzenie się ciętych liści funkii (Hosta L.) ‘Crispula’ i ‘Undulata Mediovariegata’. Zesz. Probl. Post. Nauk Roln., 525, 351–360.
Rabiza-Świder, J., Skutnik, E., Wachowicz, M., Łukaszewska, A.J. (2004). Senescence of cut leaves of Zan-tedeschia aethiopica and Z. ellottiana. Part II. Free amino acids accumulation in relation to soluble protein content. Acta Sci. Pol. Hortorum Cultus, 3(2), 67–74.
Rubinstein, B. (2000). Regulation of cell death in flower petals. Plant Mol. Biol., 44, 303–318.
Sardoei, A.S., Shahadadi, F., Shahdadneghad, F., Sadeghi, T. (2014). Positive effect of growth regulators on the soluble carbohydrates of Ficus benjamina, Schefflera arboricola and Dizigotheeca elegantissima plants. Int. J. Biosci., 4(10), 263–268.
Skutnik, E., Rabiza-Świder, J. (2005). Effect of pulsing with growth regulators on senescence of the detached cold-stored leaves of Zantedeschia aethiopica Spr. and Hosta ‘Undulata Erromena. Acta Sci. Pol. Hortorum Cultus, 4(2), 101–110.
Skutnik, E., Łukaszewska, A., Serek, M., Rabiza, J. (2001). Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica. Postharv. Biol. Tec., 21, 241–246.
Skutnik, E., Rabiza-Świder, J., Wachowicz, M. (2004). Senescences of cut leaves of Zantedeschia aethiopica and Z. elliottiana. Part I. Chlorophyll degradation. Acta Sci. Pol. Hortorum Cultus, 3(2), 57–65.
Smoleń, S., Sady, W. (2009). The effect of foliar nutrition with urea, molybdenum, sucrose and benzyladenine on quantity and quality of radish yield. Acta Sci. Pol. Hor-torum Cultus, 83(2), 45–55.
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