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Chapter 36

植物对环境的反应

Chapter 36

Plant Responses to the Environment

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are …
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides …
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities …
Gravitropism: Plant Responses to Gravity Higher plants sense gravity using statocytes, cells found near the vascular tissue in shoots, and in the root …
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 …
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will …
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop …
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper …
In the absence of specialized mobile immune cells, plants utilize their localized programmed cell death and Systemic Acquired Resistance to defend …
Chloroplasts are organelles with many vital roles in plants, which include not only photosynthesis but numerous other metabolic and signaling functions. …
Plant biologists often need to observe the growth behavior of their chosen species. To this end, the plants need constant environmental and stable light …