Protonema (pl. protonemata) The young bryophyte gametophyte that develops following spore germination.
苔藓植物中直接由孢子萌发形成结构称为原丝体。
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They raised 80 bean plants, infested 40 of them with aphids two weeks after germination, and then, three days later, tested samples of the hydroponic solution of each using a process called bioassay-guided fractionation.
他们培育了 80 株豆类植物, 在发芽两周后用蚜虫感染了其中的 40 株,然后在三天后, 使用称为生物测定引导分馏的过程测试了每株植物的水培溶液样本。
Seed germination in sterile nutrients is now a common way to reproduce orchids. Mericloning also is a common modern method of reproducing orchids. The process calls for culturing from the merismatic tissue on a plant.
种子在无菌营养物中发芽现在是繁殖兰花的常用方法。 Mericloning 也是一种常见的现代兰花繁殖方法。该过程需要从植物的分光组织中培养。