Plant and Cell Physiology, 1997, Vol. 38, No. 9 1087-1090
© 1997
Short Communication |
Zinc Deficiency Affects the Levels of Endogenous Gibberellins in Zea mays L.
1 Department of Plant Science, Faculty of Agriculture, Utsunomiya University Utsunomiya, 321 Japan
2 Department of Biosciences, Teikyo University Utsunomiya, 320 Japan
Zinc deficiency in Zea mays L. markedly reduced the level of GA1, but not GA20, suggesting blockage of 3rß-hy-droxylation. The level of IAA was also decreased although not as markedly. Castasterone was affected less than IAA by zinc deficiency.
(Received February 24, 1997; Accepted June 24, 1997)
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