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Photoperiodic Reaction of a Short-Day (Chrysanthemum) and a Long-Day Plant (Hyoscyamus niger)


Green: time between beginning of growth and the appearance of flower buds in short-day plants. Light yellow: time between beginning of growth and shooting in long-day plants (G. MELCHERS and A. LANG, 1948). .



© Peter v. Sengbusch - b-online@botanik.uni-hamburg.de