Indirect method for quantifying the content of photosynthetic pigments in genotypes of dwarf elephant grass - doi: 10.4025/actascianimsci.v35i1.15178

Authors

  • Saulo Alberto do Carmo Araújo Universidade Federal dos Vales do Jequitinhonha e Mucuri
  • Hernan Maldonado Vasquez Universidade Estadual do Norte Fluminense
  • Alena Torres Neto Universidade Estadual do Norte Fluminense
  • Eliemar Campostrini Universidade Estadual do Norte Fluminense
  • Bruno Borges Deminicis Universidade Federal do Espírito Santo
  • Érico da Silva Lima Universidade Estadual Paulista Júlio de Mesquita Filho

DOI:

https://doi.org/10.4025/actascianimsci.v35i1.15178

Keywords:

ccarotenoids, chlorophyll-a, chlorophyll-b, chlorophyllometer, Pennisetum purpureum

Abstract

Equations that indirectly associate the rates obtained by chlorophyll meter SPAD-502 to chlorophyll and carotenoids rates of dwarf elephant grass genotype are provided. Leaves of the genotype of dwarf elephant grass were employed. After being collected, they were transported in light-protected styrofoam boxes to the Plant Physiology Laboratory of UENF. Leaf discs of the known area were then extracted. An average of 5 readings/leaf disc were undertaken by portable chlorophyll meter SPAD-502, with 6 discs for each range and distributed according to the following scale: 0-10; 10-20; 20-30; 30-40; 40-50; 50-60. Chlorophyll meter SPAD-502 provides a quick and efficient estimate of total chlorophyll, chlorophyll-a and chlorophyll-b in genotypes of dwarf elephant grass.


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Author Biographies

  • Saulo Alberto do Carmo Araújo, Universidade Federal dos Vales do Jequitinhonha e Mucuri
    Departamento de Zootecnia, área de Forragicultura
  • Hernan Maldonado Vasquez, Universidade Estadual do Norte Fluminense
    Centro de Ciências e Tecnologias Agropecuárias, área de Forragicultura
  • Alena Torres Neto, Universidade Estadual do Norte Fluminense
    Centro de Ciências e Tecnologias Agropecuárias, área de Fisiologia Vegetal
  • Eliemar Campostrini, Universidade Estadual do Norte Fluminense
    Centro de Ciências e Tecnologias Agropecuárias, área de Fisiologia Vegetal
  • Bruno Borges Deminicis, Universidade Federal do Espírito Santo
    Centro de Ciências Agrárias, área de Forragicultura
  • Érico da Silva Lima, Universidade Estadual Paulista Júlio de Mesquita Filho
    Programa de Pós-graduação em Zootecnia

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Published

2012-08-24

Issue

Vol. 35 No. 1 (2013)

Section

Pasture and forage utilization

License

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How to Cite

Araújo, S. A. do C., Vasquez, H. M., Torres Neto, A., Campostrini, E., Deminicis, B. B., & Lima, Érico da S. (2012). Indirect method for quantifying the content of photosynthetic pigments in genotypes of dwarf elephant grass - doi: 10.4025/actascianimsci.v35i1.15178. Acta Scientiarum. Animal Sciences, 35(1), 43-47. https://doi.org/10.4025/actascianimsci.v35i1.15178
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