ALTERAÇÕES NA CLASSIFICAÇÃO DO MILHO DEVIDO À NOVA INSTRUÇÃO NORMATIVA Nº 60, DE 22 DE DEZEMBRO DE 2011

Abstract

The objective of this work was to analyze comparatively the quality of corn, 2008/2009 season,produced and stored in counties of Mato Grosso State (Nova Mutum, Lucas do Rio Verde, Sorriso and Sinop)statement by current regulations and new instruction normative that come into force in 2013. The product has beenclassified by a professional accredited by the Brazilian Ministry of Agriculture and Food Supply, according to thenormative instruction (IN) legislation (Ordinance nº 845, November 8, 1976) and the new IN (Instruction nº 60,December 22, 2011), which will enter into force on September 1st, 2013. Given the reports of classification usingthe instructions provided in Ordinance nº 845 and Instruction nº 60, there were differences mainly in the levels ofimpurities and broken grains. The difference between these two indexes has changed the classification by type, so thatsome samples classified as “type 1” (Ordinance nº 845) passed the “type 3” (IN 60) and classified as “substandard”(Ordinance nº 845) to “type 1” (IN 60). For other classes of defects significant differences were not observed betweenthe legislations.

Keywords

• Zea mays
• quality
• impurities
• damages