Calculation of degrees days of Hypothenemus hampei through satellite images
DOI:
https://doi.org/10.29312/remexca.v11i3.2041Keywords:
coffee berry borer, degree day, monitoring, heat unitAbstract
Coffee is one of the most relevant crops in Mexico, its importance lies in the fact that it is a sustainable crop, it has been adopted and adapted by indigenous communities and generates foreign exchange for the country. One of the most important coffee growing regions in the country is the South Pacific, made up of Chiapas, Oaxaca and Guerrero where 53% of the coffee is produced and 60% of the producers of this aromatic are found. The presence of pests and diseases in coffee can generate losses between 30 to 50% of production. The Hypothenemus hampei (Ferrari) coffee berry borer is the most serious entomological problem of this crop and its presence in the country is over 40 years old, currently it is found in all states that grow coffee. That is why, in this work, a practical methodology was generated that spatially calculated the degrees days of development of the coffee berry borer through the surface temperature recorded by Modis images with a spatial resolution of 1 km and with a one-day temporary resolution, monitoring from April 01, 2018 to March 31, 2019. The results indicated that up to 13 generations of the pest could form in this region, presenting risk almost all year round, both due to development and pest spread. This methodology can help strengthen the monitoring of the pest in the country.
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