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Pesquisa Agropecuária Brasileira

versión impresa ISSN 0100-204X

Resumen

SILVA, Murilo Hilário Mazza da  y  RAKOCEVIC, Miroslava. Software for interpolation of vegetative growth of yerba mate plants in 3D. Pesq. agropec. bras. [online]. 2010, vol.45, n.3, pp.244-251. ISSN 0100-204X.  http://dx.doi.org/10.1590/S0100-204X2010000300003.

The objective of this work was to build mock-ups of complete yerba mate plants in several stages of development, using the InterpolMate software, and to compute photosynthesis on the interpolated structure. The mock-ups of yerba-mate were first built in the VPlants software for three growth stages. Male and female plants grown in two contrasting environments (monoculture and forest understory) were considered. To model the dynamic 3D architecture of yerba-mate plants during the biennial growth interval between two subsequent prunings, data sets of branch development collected in 38 dates were used. The estimated values obtained from the mock-ups, including leaf photosynthesis and sexual dimorphism, are very close to those observed in the field. However, this similarity was limited to reconstructions that included growth units from original data sets. The modeling of growth dynamics enables the estimation of photosynthesis for the entire yerba mate plant, which is not easily measurable in the field. The InterpolMate software is efficient for building yerba mate mock-ups.

Palabras clave : Ilex paraguariensis; AMAPmod; modeling; plant architecture; plant growth; 3D reconstruction.

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