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Leymus chinensis shows 47% germination under variable temperatures ranging from 10 to 30 °C. De-husking (removing outer-covering of seeds) at constant temperature was shown to also improve germination. [3] The effects of light have had an interesting effect on the germination of Leymus chinensis. The plants were assessed according to three ...
Seed germination performance is a major determinant of crop yield. Deterioration of seed quality with age is associated with accumulation of DNA damage. [6] In dry, aging rye seeds, DNA damages occur with loss of viability of embryos. [7] Dry seeds of Vicia faba accumulate DNA damage with time in storage, and undergo DNA repair upon germination ...
Warm stratification requires temperatures of 15–20 °C (59–68 °F). In many instances, warm stratification followed by cold stratification requirements can also be met by planting the seeds in summer in a mulched bed for expected germination the following spring. Some seeds may not germinate until the second spring. [citation needed]
Rye grows best in fertile, well-drained loam or clay-loam soils. [21] As for temperature, the crop can thrive in subzero environments, assisted by the production of antifreeze polypeptides (different from those produced by some fish and insects) by the leaves of winter rye. [22] Rye is a common, unwanted invader of winter wheat fields. If ...
AC Hazlet rye is a fall rye variety that was developed by Canadian breeder Dr. Grant Macleod of Agriculture and Agri-Food Canada. [1] AC Hazlet rye is a medium-sized fall rye variety whose seed crop is produced and distributed through SeCan, a not-for-profit Canadian commodity crop seed distribution cooperative, and is then grown on a commodity scale in Canada [1]
Dormancy should not be confused with seed coat dormancy, external dormancy, or hardheadedness, which is caused by the presence of a hard seed covering or seed coat that prevents water and oxygen from reaching and activating the embryo. It is a physical barrier to germination, not a true form of dormancy (Quinliven, 1971; Quinliven and Nichol ...
The chilling requirement of a fruit is the minimum period of cold weather after which a fruit-bearing tree will blossom.It is often expressed in chill hours, which can be calculated in different ways, all of which essentially involve adding up the total amount of time in a winter spent at certain temperatures.
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. Winter sowing involves sowing seeds in a miniature greenhouse outside during winter, allowing them to ...