Conilon coffee

Genetic diversity of standard leaf nutrients in Coffea canephora genotypes during phenological phases

W. R. Gomes, Rodrigues, W. P., Vieira, H. D., Oliveira, M. G., Dias, J. R. M., Partelli, F. L., Gomes, W. R., Rodrigues, W. P., Vieira, H. D., Oliveira, M. G., Dias, J. R. M., and Partelli, F. L., Genetic diversity of standard leaf nutrients in Coffea canephora genotypes during phenological phases, vol. 15, p. -, 2016.

Diagnosing foliar nutritional status is essential for fertilizer recommendations and for the identification of nutrient imbalances. This study aimed to verify genetic diversity and establish mean standards (leaf nutrient contents; LNCs) and relationships among leaf nutrients (LNC relationships; LNCRs) in seven conilon coffee genotypes during both pre-flowering and bean-filling stages. Twenty crops from several cities in the northern region of Espírito Santo State, Brazil, with crop yield either equal to or greater than 100 bags per hectare (during two harvests) were assessed.

Evidence of genetic tolerance to low availability of phosphorus in the soil among genotypes of Coffea canephora

L. D. Martins, Rodrigues, W. N., Machado, L. S., Brinate, S. V. B., Colodetti, T. V., Amaral, J. F. T., and Tomaz, M. A., Evidence of genetic tolerance to low availability of phosphorus in the soil among genotypes of Coffea canephora, vol. 14, pp. 10576-10587, 2015.

The expansion of agriculture to new areas in order to increase the competitiveness of coffee producing countries has resulted in cultivation expanding into regions with lower natural fertility. This scenario has created the need to differentiate genotypes of Conilon coffee based on their tolerance to low levels of nutrients in the soil, especially phosphorus, which imposes high limitations on crop yield in tropical regions.

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