Cortical microtubules were observed in intraepidermal cells of onion bulb with a thin section and negative staining of protoplasts.
洋葱鳞茎表皮细胞内可见皮层微管，呈薄片状，原生质体染色阴性。
May to June. Also the size and weight of leaves, onion bulb and root system increased markedly compared with the control.
地膜覆盖后洋葱叶片、鳞茎和根系的大小、重量都比对照显著增加。
Cortical microtubules were observed in intraepidermal cells of onion bulb with thin section and negative staining of protoplasts.
用超薄切片和原生质体负染的方法，在电镜下观察到洋葱鳞茎内表皮细胞周质微管的存在。
Mechanism of greening of garlic purees was studied in the article, based on the previous studies of reddening of onion bulb purees.
在前人对洋葱泥红变的研究基础上，研究了蒜泥绿变的机理。
Onion bulb yield and water use efficiency were not significantly affected by water stress during the establishment and ripening stages.
苗期和成熟期亏水对洋葱产量和水分利用效率无显著影响。
The first bulb to show up in the Netherlands, the merchant who received them roasted and ate them! He thought they were kind of onion.
第一批出现在荷兰的球茎被收到它们的店主烤了吃！他认为它们是某种洋葱。
So when you have a set, onion set, it actually is, you know, the small bulb.
所以洋葱栽子实际上就是小洋葱。
The onion is characterized by an edible bulb composed of leaves rich in sugar and a pungent oil.
洋葱的特征是：一种由许多叶办组成的可食用的鳞茎，其中富含糖份及一种具有刺激性气味的植物油。
The onion is characterized by an edible bulb composed of leaves rich in sugar and a pungent oil.
洋葱的特征是：一种由许多叶办组成的可食用的鳞茎，其中富含糖份及一种具有刺激性气味的植物油。
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