苗を横たえたために起る稲の葉の伸長抑制 (予報)

概要

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Rice seedlings grown in pots were fixed with their axis in a horizontal position and checked from upward bending for about ten days at each of six different stages of growth of their seventh leaves, as mentioned in the figure, and then were allowed to grow vertically. When the eleventh leaf emerged out from the sheath, measurements were made on the length of both sheathes and blades of all the individual leaves. As a result of the measurments, the growth of both sheathes and blades were more or less suppressed, according to their stages of embryonic development when they were displaced into a horizontal position, being hidden within the sheathes. The extents of the growth-suppression in the seventh, eighth, ninth and tenth leaves in comparison with those leaves of the control plants are illustrated in the figure.
日本作物学会の論文
1955-07-20