| 词汇 | vernalization |
| 释义 | vernalization noun[ U ] biology mainly USspecialized(UK usuallyvernalisation)uk /ˌvɜː.nəl.aɪˈzeɪ.ʃən/ us /ˌvɝː.nə.ləˈzeɪ.ʃən/ the process of making seeds or plants cold for a time so that they start growing : 春化 Seeds are not affected by vernalisation in the early germination stages.种子在发芽初期不受春化的影响。 The plants were grown in the greenhouse for 3 weeks, followed by a 5-week vernalization period at 4°C. Low temperature vernalization is the most important factor governing the transition from vegetative to reproductive development in this plant. The variety requires no vernalisation, meaning that flowers are produced 10 to 12 weeks after the seed is sown. Plant reproduction anther asexual reproduction asexuality asexually barrenness breeder chasmogamous endosperm germinate palynology pistillate placentation pollinate pollination self-fertilize self-incompatible self-pollination sexlessly siltation stamen Related wordvernalize |
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