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An onion (Allium cepa L., from Latin cepa meaning "onion"), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium. The shallot is a botanical variety of the onion which was classified as a separate species until 2011.
Mixed bean sprouts (shoots) Melon seeds sprouting Buckwheat sprouts. Sprouting is the natural process by which seeds or spores germinate and put out shoots, and already established plants produce new leaves or buds, or other structures experience further growth.
A seed pot used in horticulture for sowing and taking plant cuttings and growing plugs Germination glass (glass sprouter jar) with a plastic sieve-lid Brassica campestris germinating seeds Time-lapse video of mung bean seeds germinating. Germination is usually the growth of a plant contained within a seed resulting in the formation of the seedling.
0: Germination 00: 000: Dry seed, 1 dormant bulb 2: 01: 000: Beginning of seed imbibition 1: 03: 003: Seed imbibition complete 1: 05: 005: Radicle emerged from seed. 1. Roots appearing 2. 07: 007: Cotyledon breaking through seed coat 1: 09: 009: Emergence: cotyledon breaks through soil surface. 1. Green shoot visible 2. 010: Cotyledon visible ...
It is possible to devernalize a plant by exposure to sometimes low and high temperatures subsequent to vernalization. For example, commercial onion growers store sets at low temperatures, but devernalize them before planting, because they want the plant's energy to go into enlarging its bulb (underground stem), not making flowers. [24]
A germinating scallion, 10 days old A close-up view of spring onions (note the larger bulbs) Species and cultivars that may be used as scallions include A. cepa 'White Lisbon' 'White Lisbon Winter Hardy' – an extra-hardy variety for overwintering; Calçot; A. cepa var. cepa – Most of the cultivars grown in the West as scallions belong to ...