Effects of Light On Plants Flashcards
What are some physiological responses to light?
Pigment, shape/size, growth habit, fruiting, flowering, leaf movements, dormancy/hardiness, autumn coloration, storage organs, defoliation
Define photoperiodism
The determination of light and dark settings to induce a desired outcome (flowering, vegging)
Is the dark period or light period important for flowering?
Depends on if the plant is a short-day plant or a long-day plant
What are examples of long day plants?
Coneflower, lettuce, dill
What are some examples of short-day plants?
Goldenrod, chrysanthemums, poinsettia
Symptoms of light deficiency in plants?
Chlorosis, etiolation, phototropism,
What are some symptoms of light toxicity in plants?
Sunscald, wilting