Search results
Results from the WOW.Com Content Network
Hot water treatment is also used for removal of pathogens. Placing seeds in 90 °C for 90 seconds followed by dip in cold water for 30 seconds kills the human pathogens Escherichia coli O157:H7 and Salmonella. [3] A variety of plant pathogens are also killed by hot water treatment. [4]
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.
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 germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...
Watercress is 95% water and has low contents of carbohydrates, protein, fat, and dietary fiber. A 100-gram serving of raw watercress provides 46 kilojoules (11 kilocalories), is particularly rich in vitamin K (238% of the Daily Value , DV), and contains significant amounts of vitamin A , vitamin C , riboflavin , vitamin B 6 , calcium , and ...
The radicle is the first part of a seedling (a growing plant embryo) to emerge from the seed during the process of germination. [4] The radicle is the embryonic root of the plant, and grows downward in the soil (the shoot emerges from the plumule) where it absorbs more water.
The plants should be spaced 5–10 cm (2–4 in) to each other or even more, if bigger radishes are desired. The seeds should be sown in a depth of 0.6–1.2 cm (1 ⁄ 4 – 1 ⁄ 2 in). [12] Black radish requires a well-drained, loamy, soil with a pH of 5.9 to 6.8. The plants should get around six to eight hours of sun. [15]
Seed enhancement is a range of treatments of seeds that improves their performance after harvesting and conditioned, but before they are sown. They include priming, steeping, hardening, pregermination, pelleting, encrusting, film-coating, tagging and others, but excludes treatments for control of seed born pathogens .
Before the photosynthetic apparatus develops sufficiently in the early stages of germination, the seed reserves of starch nourish the seedling. Usually in germination, the breakdown of starch to glucose in the endosperm begins shortly after the seed is exposed to water. [ 10 ]