Plant growth of areca palm (Dypsis lutescens, H. Wendel) with foliar sprayings of an oligogalacturonide mixture
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Abstract
has reached its peak in the latest years, since it constitutes the
most economically important species from the marketing point
of view in Cuba; however, it takes about 15 months to achieve
the adequate height for sale. The foliar spraying of an
oligogalacturonide mixture, a citrus peel-derived product
obtained at INCA, has proved to be a growth promoter. Thus,
a first experiment was conducted and its results supported the
second one, both at INCA, to spray this mixture to leaves at
concentrations of 2, 10 and 20 mg.L-1, besides a nonsprayed
control treatment. Foliar sprayings were applied after three,
six, and three and six months of plant emergence. The following
growth variables were evaluated every three months: plant
height, leaf number, leaf area and total dry weight. Treatments
were compared by means of Confidence Intervals. Results
showed the potentialities of the oligogalacturonide mixture as
a growth stimulant in plants of areca palm, when sprayed at a
concentration of 2 mg.L-1 after three and six months of its
emergence, so reducing its nursing time.
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