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Seeds are placed in a medium such as vermiculite, peat, or sand and refrigerated in a plastic bag or sealed container. [1] Soaking the seeds in cold water for 6–12 hours before placing them in cold stratification can cut down on the amount of time needed for stratification, as the seed needs to absorb some moisture to enable the chemical ...
[11] [12] The seeds of some milkweeds need periods of cold treatment (cold stratification) before they will germinate. [13] To protect seeds from washing away during heavy rains and from seed–eating birds, one can cover the seeds with a light fabric or with an 0.5 in (13 mm) layer of straw mulch. [14] However, mulch acts as an insulator ...
By treating wheat seeds with moisture as well as cold, Lysenko induced them to bear a crop when planted in spring. [8] Later however, according to Richard Amasino, Lysenko inaccurately asserted that the vernalized state could be inherited, i.e. the offspring of a vernalized plant would behave as if they themselves had also been vernalized and ...
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Winter sowing is a method of starting seeds outdoors in winter. This is generally done with seeds that require a period of cold stratification. The method takes advantage of natural temperatures, rather than artificially refrigerating seeds.
D. Landreth Seed Company, established 1784; Fedco Seeds, established in 1978; Ferry-Morse Seed Company, established in 1856; Gurney's Seed and Nursery Company, established in 1866; Harris Seeds, established in 1879 [5] [6] [7] Hudson Valley Seed Company, established in 2009 [8] [9] J.W. Jung Seed Company, established in 1907; McKenzie Seeds ...
All-America Selections (AAS) is an American organization which tests new varieties of seed for use in gardening, and promotes those judged to perform best through an awards scheme ("AAS Winners"). [1] The testing program involves horticulture professionals.
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