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Seed Germination:

Seeds lacking dormancy need:. Dormancy is caused by:. Is overcome by:. Example:. or. or. Seed Germination: . Emergence of Radicle through Seed Coat. Water. Warm Temperature. So if you want to store seeds what are the conditions?. Dry Cold.

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Seed Germination:

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  1. Seeds lacking dormancy need: Dormancy is caused by: Is overcome by: Example: or or Seed Germination: Emergence of Radicle through Seed Coat Water Warm Temperature So if you want to store seeds what are the conditions? Dry Cold Dormant seeds need more than moisture and warmth: nick digest scrub fire freeze-thaw cycles Thick Seed Coat Scarification Kentucky Coffee Tree Thin Seed Coat Light Lettuce Dark Pea Insufficient Development Soil Fungus Association Orchids Inhibitor: Abscisic Acid Stratification > Vernalization Most CT feral plants 20° C 6 weeks at 4° C Inhibitor: Phenolics Leaching by Repeated Rain Cacti

  2. hydrolysis Fruit+Seed Coat starch Endosperm sugar Aleurone Layer cotyledon Storage Protein translation hydrolysis RNA shoot apex Amino Acids growth DNA transcription GA radicle apex water imbibition Barley Seed Germination maltose exocytosis -amylase monocot Embryo

  3. Capsella Seed: Embryo Seed Coat Shoot Apex Endosperm Cotyledons - dicot Hypocotyl Radicle Root Apex Micropyle

  4. shoot apex hydrolysis Seed Coat starch sugar cotyledons translation RNA transcription growth DNA radicle apex water Pfr Pr imbibition photoactivation dark Lettuce Seed Germination -amylase dicot Embryo phytochrome photoreversibility red and white light stimulate germination 660 nm 730 nm

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