uso do teste lercafé para a caracterização de danos em sementes de cafeeiro characterization of injuries in coffee seeds through lercafé test

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ID: 169898
2008
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Ranked #74 of 193 articles by views in proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006

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Abstract
O objetivo deste trabalho foi avaliar a utilização do teste Lercafé, para estimar a germinação e caracterizar diferentes tipos de danos em sementes de cafeeiro. Utilizaram-se sementes de cafeeiro arábica cultivar Catuaí IAC 44, submetidas aos seguintes tratamentos: sementes sem dano, sementes com dano por secagem a 40 e 60ºC, e sementes brocadas. As sementes foram avaliadas pelos testes de germinação e Lercafé. Em relação aos dois tipos de danos, os resultados de germinação, estimada pelo Lercafé, apresentaram alta correlação com os obtidos pelo teste de germinação. O dano por secagem à alta temperatura caracterizou-se pelo aparecimento de manchas esverdeadas espalhadas, que atingiram parcial ou totalmente o endosperma da semente. O dano por broca caracterizou-se por uma depressão circundada por um anel de coloração verde. O teste Lercafé é eficiente para estimar a germinação e caracterizar os danos por secagem à alta temperatura e os causados por broca, em sementes de cafeeiro.
The objective of this work was to evaluate the use of the Lercafé test for estimating the germination and characterizing different types of injuries in coffee seeds. Seeds of arabica coffee cultivar Catuaí IAC 44 were submitted to the following treatments: nondamaged seeds, heat damage (at 40 and 60ºC), and bug damage. Seeds were assessed by the tests of germination and Lercafé. The germination results estimated by Lercafé test had high correlation with the results from the germination test for the two types of injuries. The heat damage, by drying seeds at high temperatures, was characterized by scattered green stains, partially or totally covering the seed endosperm. A sunken lesion surrounded by a green ring characterized the damage by coffee berry borer. Lercafé test is efficient to estimate the germination and to characterize the injuries by heat and coffee berry borer, in coffee seeds.
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zonta2008pesquisauso Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors João Batista Zonta, Eduardo Fontes Araujo, Roberto Fontes Araujo, Múcio Silva Reis
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Journal proc - the fourth ieee workshop on software technol for future embedded and ubiquitous syst, seus 2006 andthe second int workshop on collaborative comput, integr, and assur, wccia 2006
Year 2008
DOI
10.1590/S0100-204X2008001100020
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2008001100020
Keywords
coffea arabica sodium hypochlorite

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