plant physiology
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Plant physiology is the branch of plant science that studies how plants function—including processes like photosynthesis, growth, and how they respond to their environment. Understanding plant physiology matters because it helps us improve crop production, develop hardier plants, and better understand how plants support life on Earth.
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A germination rate experimentPlant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. A professional in this field is called a Plant physiologist.
Plant physiologists study fundamental processes of plants, such as photosynthesis, respiration, plant nutrition, plant hormone functions, tropisms, nastic movements, photoperiodism, photomorphogenesis, circadian rhythms, environmental stress physiology, seed germination, dormancy and stomata function, and transpiration. Plant physiology interacts with the fields of plant morphology (structure of plants), plant ecology (interactions with the environment), phytochemistry (biochemistry of plants), cell biology, genetics, biophysics and molecular biology.