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Kapitel 36
Pflanzenhormone
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones…
Photorezeptoren und pflanzliche Reaktionen auf Licht
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides…
Biologische Uhren und jahreszeitliche Reaktionen
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological…
Reaktionen auf Schwerkraft und Berührung
Gravitropism: Plant Responses to Gravity Higher plants sense gravity using statocytes, cells found near the vascular tissue in shoots, and in the…
Reaktionen auf Dürre und Überschwemmungen
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to…
Reaktionen auf Hitze- und Kältestress
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there…
Reaktionen auf Salzstress
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and…
Abwehr von Krankheitserregern und Herbivoren
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a…

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