Gibberellin in zinc-deficient dwarf rice Tan-Ginbozu
1991
Domingo, A.L. | Nagatomo, V. | Tamai, M. | Takaki, H. | Hosoyamada, K. | Shinagawa, A. (Central Luzon State Univ., Munoz, Nueva Ecija (Philippines))
The growth, zinc content and activity of gibberellin-like substances in dwarf rice Tan-ginbozu were greatly affected by zinc application. Lower fresh weight and zinc content were found in plants grown under zinc-deficient conditions. Resumption of growth and increase in zinc content however, were observed following zinc addition. The activity of gibberellin-like substances in the control plants was below the detectable limit of the methodology used, and was further inhibited in the absence of zinc. Addition of zinc to zinc-deficient plants resulted in marked appearance of gibberellin-like substances.
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