Effect of nitrogen salts on the growth of Ceratonia siliqua L. shoot cultures
2007
Vinterhalter, B. | Ninkovic, S. | Zdravkovic-Korac, S. | Subotic, A. | Vinterhalter, D., Institute for Biological Research Sinisa Stankovic, Belgrade (Serbia)
Effects of reduced nitrogen salt nutrition on the growth, lenticel hypertrophy and anthocyanin accumulation of carob (Ceratonia siliqua L.) shoot cultures were investigated under conditions of light and darkness. Growth of shoot cultures was not significantly affected until nitrogen salts were reduced to less than 1/4 of full strength MS (Murashige and Skoog, 1962) values. Cultures in darkness were less affected and their main shoots even increased in length. Appearance of hypertrophied lenticels in light decreased, while in darkness they were absent in all treatments. Reduced nitrogen salt nutrition strongly affected anthocyanin accumulation of shoots and leaves, which greatly increased in both light and darkness.
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