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A new chlorophyll meter to estimate chlorophyll contents in leaves of tifton 85 bermudagrass /Um novo clorofilometro para estimar os teores de clorofila em folhas do capim tifton 85

Barbieri, Jr., Elio ; Rossiello, Roberto Oscar Pereyra ; Silva, Rosani Valeria Marcelina Matoso ; Ribeiro, Roberta Cristiane ; Morenz, Mirton Jose Frota

Ciência rural, 2012-12, Vol.42 (12), p.2242 [Periódico revisado por pares]

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Título:
A new chlorophyll meter to estimate chlorophyll contents in leaves of tifton 85 bermudagrass /Um novo clorofilometro para estimar os teores de clorofila em folhas do capim tifton 85
Autor: Barbieri, Jr., Elio ; Rossiello, Roberto Oscar Pereyra ; Silva, Rosani Valeria Marcelina Matoso ; Ribeiro, Roberta Cristiane ; Morenz, Mirton Jose Frota
Assuntos: Analysis ; Chlorophyll
É parte de: Ciência rural, 2012-12, Vol.42 (12), p.2242
Descrição: The purpose of this research was to evaluate the performance of a new portable chlorophyll meter in the indirect determination of chlorophyll contents in Tifton 85 bermudagrass leaves. In a field trial of short duration, three N doses (0, 75 and 150kg [ha.sup.-1]) were combined with four sampling dates (8, 16, 24 e 28 days after a cut for sward uniformity) in completely randomized blocks, with treatments arranged in a split-plot design. Analyses were performed in the youngest fully expanded leaf blade. Contents of chlorophylls a, b and total were quantified spectrophotometrically, after extraction with acetone
Editor: Universidade Federal de Santa Maria
Idioma: Espanhol

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