Banca de QUALIFICAÇÃO: JOAO ALMIRO CORREA SOARES

Uma banca de QUALIFICAÇÃO de DOUTORADO foi cadastrada pelo programa.
DISCENTE : JOAO ALMIRO CORREA SOARES
DATA : 26/08/2019
HORA: 14:00
LOCAL: Departamento de Solos
TÍTULO:

DISEASE DETECTION AND ESTIMATION OF PRODUCTIVITY IN OIL PALM PLANTATIONS IN BRAZILIAN AMAZON THROUGH ORBITAL IMAGES

PALAVRAS-CHAVES:

Amazon, farming monitoring, oil palm, spectral analysis.

PÁGINAS: 40
GRANDE ÁREA: Ciências Agrárias
ÁREA: Agronomia
SUBÁREA: Fitossanidade
ESPECIALIDADE: Defesa Fitossanitária
RESUMO:

The detection of diseases in oil palm crops in the Brazilian Amazon represents a great challenge for the management of this crop in Brazil. The existing plantations in the State of Pará provide inputs for the food, cosmetics, agro-energy and biofuel industries, supplying Brazilian  markets. In recent years, several factors such as pests, diseases and climate have interfered in the development of oil palm in the region, generating the need to adopt new techniques to detect and monitor such issues. In this work, spectral enhancements were carried out by simple reflectance and vegetation indices for four plots cropped on Companhia Palmares da Amazônia (CPA) farm, owned by Agropalma S.A. company in the municipality of Acará, in the state of Pará. The results allowed the identification of expressive patterns minimum and maximum reflectances of the studied plots, correlating with occurrences of diseases. The EVI index showed an excellent correlation with the occurrence of diseases. However, the NDVI and SAVI indexes showed adequate adjustments with the occurrence of diseases in 2017. The areas corresponding to the L36 and H27 plots showed higher occurrences of diseases, based on the analysis of reflectance through vegetation indices. It is concluded that the reflectance enhancements, NDVI, SAVI and EVI obtained by orbital sensors are efficient in the detection of diseases in the plots. The results allowed the identification of diagnostic anomalies of stresses in the plots, either by disease or other factor, allowing the decision making in na adequate  time, avoiding large scale eradication in the extensive areas in commercial palm oil plantations in Brazil.

MEMBROS DA BANCA:
Presidente - 1356971 - PAULO ROBERTO SILVA FARIAS
Externo à Instituição - ROSANA SUMIYA GURGEL - INPE
Externo à Instituição - LAURENT POLIDORI - CNRS
Externo à Instituição - JAVIER DIAS PITA - IFPA