Rejuvenated sycamore cuttings for energy plantations

6-benziladenina 6-benzyladenine ba biomasa biomass biomasse bouture clone clones crecimiento croissance cuttings dimension dimensions distribution naturelle enracinement enraizamiento esquejes estado juvenil de las plantas eua frost fuel crops gel growth helada iba juvenility of plants mississippi natural distribution plant plant growth substances plantaciones plantations planting stock platanus occidentalis portainjertos porte greffe resistencia a la temperatura rooting rootstocks size stems sustancias de crecimiento vegetal tallo temperature resistance tige usa vegetative propagation