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Non-Destructive, Analogue Model for Leaf Area Estimation in Persimmon (Diospyros kaki L.f.) Based on Leaf Length and Width Measurement
V. Cristofori, C. Fallovo, E. Mendoza-de Gyves, C.M. Rivera, C. Bignami and Y. Rouphael
European Journal of Horticultural Science
Vol. 73, No. 5 (October 2008), pp. 216-221
Published by: Verlag Eugen Ulmer KG
Stable URL: http://www.jstor.org/stable/24126432
Page Count: 6
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Non-destructive methods to determine leaf areas are a useful tool in plant physiology and agronomy research. Determining the leaf area in persimmon (Diospyros kaki L.f.) involved measurements of leaf length and width. A two-year investigation was carried out during 2006 (on twelve genotypes) to develop a model and in 2007 (on one cultivar) to validate this model and to estimate the leaf area across persimmon genotypes and environments in Italy. Regression analyses of leaf area versus leaf length and width revealed several models for estimating the leaf area in persimmon. A linear model having leaf length × width as the independent variable (LA = 3.83 + 0.69L×W) provided the most accurate estimate (R2=0.98, MSE=14, PRESS=32843) of leaf area in persimmon in 2006. Validation of this model in 2007 on one other genotype gave a close correlation and a high R2 indicating that leaf area may generally be accurately determined from leaf length and width measurements in persimmon.
European Journal of Horticultural Science © 2008 Verlag Eugen Ulmer KG