根和根冠被一鞘状结构，即胚根鞘所覆盖。
Both root and root cap are covered by a sheath-like structure called the coleorhiza.
水分胁迫明显抑制了胚芽鞘和主胚根的生长。
Water stress obviously restrain growth of coleoptile and main radical.
初步认为主胚根长度和根数与胚芽鞘长度一样也可以作为抗旱鉴定指标来利用。
Also the root length and number were thought to be able to act as the standard of the drought resistance.
初步认为主胚根长度和根数与胚芽鞘长度一样也可以作为抗旱鉴定指标来利用。
Also the root length and number were thought to be able to act as the standard of the drought resistance.
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