cotyledon emergence stage 01-seedling emergence in sorghum (related) 1.00 Cotyledon visible in soybean (related) 1.00 imperfect leaf unrolled (related) 1.01-seedling emergence in maize (related) 1.1 seedling emergence in maize (related) 2.01-first leaf through coleoptile in Triticeae (related) 2.01-first leaf through coleoptile in barley (related) 2.01-first leaf through coleoptile in oat (related) 2.01-first leaf through coleoptile in wheat (related) A seedling development stage (PO:0007131) during which the cotyledon (PO:0020030) emerges from the seed coat (PO:0009088). BBCH growth stage 09 (related) BBCH growth stage 10 (related) LP.00 cotyledon visible (related) Oryza first leaf through coleoptile (related) PO:0007049 PO:0007069 PO_GIT:460 Sorghum seedling emergence (related) This term is used only for seed plants. The actual point of emergence from the seed coat (PO:0009088) may not be observed if the seed is underneath a growth medium, especially in plants with hypogeal germination. In a fruit (PO:0009001) with a persistent pericarp (PO:0009084), emergence from the seed coat may not be observed. Triticeae first leaf through coleoptile (related) VE in maize (related) VE stage in soybean (related) Zadok scale-10, Feekes scale-1 (related) cotyledon emergence in Solanaceae (related) cotyledons fully open in Arabidopsis (related) hypocotyl and cotyledon emergence in Arabidopsis (related) maize growth stage-1.1 (related) plant_structure_development_stage sorghum growth stage-0 (related) seedling development stage