Article
Repression of gibberellin biosynthesis or signaling produces striking alterations in poplar growth, morphology, and flowering.
Planta - 1 Dec 2011
Zawaski Christine, Kadmiel Mahita, Pickens Jim, Ma Cathleen, Strauss Steven, Busov Victor
Abstract excerpt
We modified gibberellin (GA) metabolism and signaling in transgenic poplars using dominant transgenes and studied their effects for 3 years under field conditions. The transgenes that we employed either reduced the bioactive GAs, or attenuated their signaling. The majority of transgenic trees had significant and in many cases dramatic changes in height, crown architecture, foliage morphology, flowering onset,...
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