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Norman C. Deno (February 15, 1921 – September 22, 2017) was an American chemist and plant scientist.He was a professor of chemistry at Penn State University and is known as one of the foremost researchers in seed germination theory.
The seeds can be placed between a folded damp paper towel in a sealable plastic sandwich bag for a few days until the seeds sprout. They can then be planted 1 cm (0.39 in) deep in well-drained containers. Once watered, it is important to let the growing medium dry out well, before watering again. [7]
The seeds of mat penstemon were experimentally germinated using gibberellic acid sprinkled over seeds on wet paper towels at a dosage of approximately 1000 ppm and this resulted in 30% germination after six weeks while there was no germination from cold treatment alone. [29]
Some people spread them out on a paper towel, let them dry, and then plant the paper towel and seeds together in potting or germinating soil. The second method to save tomato seeds using the fermentation process. The tomatoes are allowed to overripen and then cut to expose the seed cavities. The seeds are then scooped out and put into a container.
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 ...
In Costa Rica, seeds set in the wet season, but require conditions of light and temperature found in forest gaps. [13] In a test in which seeds were placed in wet paper towel at 25 °C in different lighting conditions, 44% of seeds germinated under white light, while none germinated in the dark. [13]
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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.