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Development of a method to assess the risk of aflatoxin contamination of corn within counties in southern Georgia, USA using remotely sensed data by R. Kerry; B. Ingram; M. Orellana; B.V. Ortiz; B. Scully is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Development of a method to assess the risk of aflatoxin contamination of corn within counties in southern Georgia, USA using remotely sensed data about?

Aflatoxins (AFs) are carcinogenic toxins produced by fungi in many staple grain crops. FDA legislative thresholds for the maximum allowable average AFs concentrations in grain intended for different uses determine if whole batches of grain are rejected or must be used for a less lucrative purpose. Few spatial studies of aflatoxin contamination in the field have been undertaken as AFs analysis is expensive, but such studies are key to improving food security. High risk areas need to be identified to allow management strategies to reduce the amount of wasted grain. AFs production tends to be greatest in high temperature and drought conditions. Previous research has suggested that local Moran's I (LMI) analysis of weather and remotely sensed imagery can identify locations at high risk of AFs contamination but this has not been validated with AFs data. This study uses a 1977-2004 AFs survey of counties in southern Georgia, USA with NDVI and thermal IR data from 1990-2004 imagery to validate this approach. Also investigated in this paper, as they are integral to the validation approach used, are issues relating to the identification of corn growing pixels in historical imagery and a mod

Who reads Development of a method to assess the risk of aflatoxin contamination of corn within counties in southern Georgia, USA using remotely sensed data?

Author

R. Kerry; B. Ingram; M. Orellana; B.V. Ortiz; B. Scully

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)