Seed Emergence of Radicle through Seed Coat Germination:

Seed Emergence of Radicle through Seed Coat Germination:

Seed Emergence of Radicle through Seed Coat Germination: Seeds lacking dormancy Water Warm Temperature need: So if you want to store seeds what areDry theCold conditions? Dormant seeds need more than moisture and warmth: Dormancy is caused by: Is overcome by: Thick Seed Coat Thin Seed Coat Insufficient Development Inhibitor: Abscisic Acid Inhibitor: Phenolics nick digest fire freeze-thaw cycles Scarification scrub Light or Dark Example: Kentucky Coffee Tree Lettuceor Pea Soil Fungus Association Orchids

Stratification > 20 C 6 weeks at 4 Vernalization Most CT feral plants Leaching by Repeated Rain Cacti C Barley Seed Germination growth Embryo radicle apex water imbibiti on GA DNA tr pt ans io cr n i Fruit+Seed Coat Endosperm Aleurone Layer Storage Protein hy is drol ys RNA shoot apex

tra ion nsla t s y l o starch r d maltose hy s i sugar exocytos cotyledo - is n monocot amylase Amino Acids apsella Seed: Seed Coat Endosperm Embryo Shoot Apex Cotyledons dicot Hypocotyl Radicle Root Apex Micropyle Lettuce Seed Germination shoot apex ys l ro d hy is sugar cotyledo nsdicot Seed Coat

DNA tr pt ans io cr n i RNA tr io ansl n at amylase grow th Embryo star ch phytochrome radicle apex water imbibiti photoactiva tion photoreversib ility660 Pfr nm Pr 730 nmdar red and white light stimulat e

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