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Lee I I, Foster KR, Morgan PW: Effect of Gibberellin Biosynthesis Inhibitors on Native Gibberellin Content, Growth and Floral Initiation in Sorghum bicolor. J Plant Growth Regul. 1998 Dec;17(4):185-195.
CCC, uniconazol, ancymidol, prohexadione-calcium (BX-112), and CGA 163'935, which represent three groups of gibberellin (GA) biosynthesis inhibitors, were applied as a soil drench to Sorghum bicolor cultivars 58M (phyB-1, phytochrome B-deficient mutant) and 90M (phyB-2, equivalent phenotypically to wild type, PHYB, except for small differences in flowering dates).
The inhibitors that block steps before GA12 (CCC, uniconazol, and ancymidol) lowered the concentrations of all endogenous early-C13alpha-hydroxylation pathway GAs found in sorghum: GA12, GA53, GA44, GA19, GA20, GA1, and GA8. |
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