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Relationship between photochemical efficiency (JIP-Test Parameters) and portable chlorophyll meter readings in papaya plants Braz. J. Plant Physiol.
Castro,Fernanda Assumpção; Campostrini,Eliemar; Torres Netto,Alena; Viana,Leandro Hespanhol.
The Portable Chlorophyll Meter (PCM) is used to estimate the total chlorophyll and leaf nitrogen content of various species. Since there is a relationship between the chlorophyll concentration and the photochemical efficiency, a relationship can also be established between the PCM readings and some fluorescence variables to provide information on photosystem II (PSII) structure and activity. Papaya (Carica papaya L.) plants ['Sunrise Solo' (leaves with intense green coloring) and 'Golden' cultivars (leaves with yellow-green coloring) were grown in a greenhouse with 30% interception of photosynthetically active photon flux density. The plants were cultivated in 15L plastics pots. Ninety to 100 days after planting the older leaves turned yellow and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carica papaya; L. fluorescence JIP-Test Chlorophyll.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202011000400007
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