Coffea canephora plant response to arbuscular mycorrhizal fungus inoculation during acclimatization phase
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Abstract
Institute of Agricultural Sciences (INCA), with the objective
of determining the effect of two micorrhizal strains on the
development of coffee vitroplants in Robusta variety, during
the acclimatization phase. A randomized complete design was
used with nine treatments; after 90 days of cultivation, some
evaluations were performed to number of leaf pairs, plant
height (cm), total dry matter (g), as well as fungal indicators,
colonization percentage, mass of arbuscular endophyte (g/g
soil), total spores and survival percentage after 150 days. Data
was processed by means of a single classification variance
analysis, obtaining differences in the effectiveness of AMF
strains per clone and achieving in general increments in the
analyzed indicators. The highest values were obtained with
Glomus clarum strain for M-229 and K-234 clones. Percentages
of survival ranged between 95.42 and 98.15 %. The feasibility
of using micorrhizal inoculation was proved to increase the
morphophysiological quality of vitroplants.
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