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After germination, transport plants to an area with a temperature of 60–70 °F (16–21 °C). Keep under light for at least 12 hours a day. Plant seeds 6 inches (15 centimetres) apart to prevent crowding. Remove deceased plants to promote growth for newly planted ones.
The easiest way to remove seedlings from their cells is to gently press a finger against the underside of the seedling cell until the plant’s root ball moves up and out of the seedling tray.
Etiolation / iː t i ə ˈ l eɪ ʃ ən / is a process in flowering plants grown in partial or complete absence of light. [1] It is characterized by long, weak stems; smaller leaves due to longer internodes; and a pale yellow color . The development of seedlings in the dark is known as "skotomorphogenesis" and leads to etiolated seedlings.
[citation needed] The seedlings of some flowering plants have no cotyledons at all. These are said to be acotyledons. The plumule is the part of a seed embryo that develops into the shoot bearing the first true leaves of a plant. In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure ...
They are ready to plant whenever the outside temperature has sufficiently warmed. Saves space indoors for plants that need to be started prior to planting outside. It allows someone who doesn't have the room, a grow light setup, nor the window space available indoors to start seeds successfully. Prevents seeds from being washed away or eaten.
The affected plants, which are visibly etiolated (long and weak stems), chlorotic (lacking chlorophyll), and which are at best infertile with empty panicles, producing no edible grains; at worst, they are incapable of supporting their own weight, topple over, and die (hence "foolish seedling disease").
Gorse has been found to form a useful nursery for many species for native bush regeneration. When young, gorse bushes are very dense. As they grow older, they become 'leggy', and provide the ideal conditions for native seeds to germinate and grow. The native seedlings grow up through the gorse, cutting out its light and eventually replacing it.
Seeds of many trees, shrubs and perennials require these conditions before germination will ensue. [3] In the wild, seed dormancy is usually overcome by the seed spending time in the ground through a winter period and having its hard seed coat softened by frost and weathering action. By doing so the seed is undergoing a natural form of "cold ...