Abstract
Abstract The estimation of pineapple total leaf area by simple, fast and non-destructive methods allow inferences related to carbon fixation estimative, biotic and abiotic damages and correlating positively with yield. The objective was to estimate D leaf area and total leaf area and of ‘Pérola’ pineapple plants from biometric measurements. For this purpose, 125 slips were selected and standardized by weight for planting in pots. Nine months after planting in a greenhouse, the plants were harvested to evaluate the total leaf area of the plant, D leaf area and D leaf length and width using a portable leaf area meter. Pearson correlation analysis was made and it was observed significative positive and strong correlation among the studied variables. Then, regression models were adjusted. It was observed that the D leaf area of ‘Pérola’ pineapple can be estimated from the length and width of this same leaf and the total leaf area can be estimated from the D leaf area.
Highlights
Estimativa da área foliar total e da área da folha do abacaxizeiro a partir de características biométricas
Growth and productivity are directly related to total leaf area
The results found in the present study confirm that the D leaf of pineapple plants should be used as a reference for several analyzes and decision making, since it has relation with the total leaf area of the plant and, with its light interception capacity
Summary
Estimativa da área foliar total e da área da folha do abacaxizeiro a partir de características biométricas. E-mail: marlucia.jaibes@yahoo.com.br 2Professor do Departamento de Ciências Agrárias da Universidade Estadual de Montes Claros-Unimontes, Janaúba, Minas Gerais, Brasil.
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