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0: Germination 00: Dry seed 01: Beginning of seed imbibition 03: Seed imbibition complete 05: Radicle emerged from seed 07: Hypocotyl with cotyledons breaking through seed coat 09: Emergence: cotyledons break through soil surface 1: Leaf development (Main shoot) 10: Cotyledons completely unfolded; growing point or true leaf initial visible 11
Many salad green seeds germinate when the temperature is between 50-70°F. Check the seed packet to know the exact range each type of salad green needs. Once the seedlings emerge, pay attention to ...
Romaine or cos lettuce (Lactuca sativa L. var. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat.
Plants in hot areas that are provided partial shade during the hottest part of the day will bolt more slowly. Temperatures above 27 °C (81 °F) will generally result in poor or non-existent germination of lettuce seeds. [33] After harvest, lettuce lasts the longest when kept at 0 °C (32 °F) and 96 percent humidity.
In most seeds, for example the sunflower, the plumule is a small conical structure without any leaf structure. Growth of the plumule does not occur until the cotyledons have grown above ground. This is epigeal germination. However, in seeds such as the broad bean, a leaf structure is visible on the plumule in the seed. These seeds develop by ...
Both iceberg lettuce and romaine lettuce contain vital nutrients that help us live our best lives. Iceberg is about 13 calories per serving while romaine is about 15 calories. However, romaine ...
The soaking increases the water content in the seeds and brings them out of quiescence. After draining and then rinsing seeds at regular intervals, the seeds then germinate, or sprout. For home sprouting, the seeds are soaked (big seeds) or moistened (small), then left at room temperature (13 to 21 °C or 55 to 70 °F) in a sprouting vessel.
In agriculture and gardening, the germination rate describes how many seeds of a particular plant species, variety or seedlot are likely to germinate over a given period. It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably ...
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