Spatial mite population distribution on Caryocar brasiliense trees. Technical note

G.L.D. Leite, J. A. Lazo, R.V.S. Veloso, A.L. Matioli, Ch.I.M. Almeida, M. A. Soares, P. G. Lemes

Abstract


The objective was to study the spatial distribution of the mite
population in the pequi trees (Caryocar brasiliense). A completely
randomized design was used and evaluated the spatial distribution
of mites according to the orientation of the branches; part of the
canopy; part of the leaf and foliar surface. The part of canopy
of the tree and the orientation of the branches did not influence
the mite population in leaves and fruits. The largest amount of
Histiostoma sp. was observed in the proximal part of the leaf. The
surface of the leaf determined the presence of mites and a greater
number of Agistemus sp., EuTetranychus sp., Tetranychus sp.1
and 2, Histiostoma sp. and Proctolaelaps sp. was observed on the
abaxial surface. It is recommended as a preliminary plan for the
sampling of mites in plantations of C. brasiliense to use the leaves
of all parts of the tree.


Keywords


pequi, Acari, weather, leaf surface

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References


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