Give a short account of phytochrome mediated photomorphogenetic responses in plants.
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Answer:
Phytochrome-mediated photomorphogenic responses include germination, stem and leaf growth, chloroplast development, biosynthesis of chlorophylls and other pigments, shade avoidance, circadian rhythm, and flowering [9]......
Answer:
Phytochrome A and phytochrome B both respond to an increasing proportion of red light to far-red light which occurs when the shoot comes out into the open. Cryptochrome 1 responds to increasing amounts of blue light when the shoot reaches the surface.Phytochrome is an important pigment that regulates photomorphogenic aspects of plant growth and development, such as seed germination, stem elongation, leaf expansion, formation of certain pigments, chloroplast development, and flowering.
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