Effect of RIZOBAC biopreparation on plant growth and development of coffee (Coffea canephora P. var. Robusta) seedlings
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Abstract
Institute of Agricultural Sciences (INCA), with the objective
of evaluating the effect of RIZOBAC compound on some growth
and development indicators in plants from three clones
selected of Coffea canephora P. Robusta variety. The
compound was applied in liquid and solid states at the
concentrations of 20.mg.L-1 for 30 min.; then, plants were
sprayed at a concentration of 15 mg.L-1 of the compound 20,
35 and 70 days after transplanting. The variables evaluated
were plant height (cm), number of leaf pairs, dry matter (g),
total proteins, phenol content (mg.g-1 tissue) and survival
percentage. Results showed that the compound is more
effective in liquid form, and presented differences when
answering to all clones evaluated. It demonstrated the
feasibility of employing RIZOBAC during the adaptation phase
as an efficient biofertilizer capable to induce vigorous plants
with good physiological state.
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