Nghĩa của từ photoperiods bằng Tiếng Việt
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1. Juvenile spring chinook salmon (Oncorhynchus tshawytscha) (Rogue River stock) were reared in constant 8 °C well water under artificial lighting with photoperiods adjusted to Medford, Oregon.
2. After 56 d of acclimation, frost tolerance of shoots reached −30, −17, −17, and −12 °C under photoperiods of 8, 10, 12, and 14 h, respectively.
3. To quantify the variation among wild Accessions due to FRI, and to identify additional genetic loci in wild Accessions that influence flowering time, we surveyed the flowering times of 145 Accessions in long-day photoperiods, with and without a 30-day vernalization treatment, and genotyped them for two common natural lesions in FRI.