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This Concept Map, created with IHMC CmapTools, has information related to: Short day plants (Presentation), Short day plants are strawberry, soya bean, photoreceptors in the leaves secrete florigen (flowering hormone), Short day plants flower when days are shorter Eg: winter, high level functions to inhibits flowering, phytochrome exists in two forms, Plants 1. are grouped into Long day plants, Pr is inactive form, Pr converts readily during day to Pfr, Long day plants are Carnation, spinach, environmental exposure to daylight deteched by photoreceptors in the leaves, stimulates flowering in Long day plants, Long day plants flower when days are longer Eg: summer, Pfr is active form, buds & shoots causes flowering in Short day plants, photoreceptors in the leaves known as phytochrome, high level functions to stimulates flowering, two forms namely Pr, Pfr if at high level, inhibits flowering in Short day plants, two forms namely Pfr