Estimation of Leaf area in sweet cherry using a non-destructive method

Autor:	Cittadini, E.D., Peri, P.L.
Jazyk:	angličtina
Rok vydání:	2006
Předmět:	non leaf area Agriculture (General) Agriculture PE&RC S1-972 leaf width Plant Production Systems prunus avium destructive estimation Plantaardige Productiesystemen Life Science leaf length
Zdroj:	Revista de Investigaciones Agropecurias, 35(1), 143-150 RIA: Revista Investigaciones Agropecuarias, Vol 35, Iss 1, Pp 143-150 (2006) Revista de Investigaciones Agropecurias 35 (2006) 1
ISSN:	0325-8718
Popis:	Leaf area measurement can be a time consuming process and requires sophisticated electronic instruments. The objective of this research was to develop a simple, accurate, non-destructive and time saving predictive model for leaf area (LA) estimation in sweet cherry trees. Linear regression equations were fitted and evaluated for three cultivars and two training systems using alternatively the length (L), the width (W) and their product (L*W) as independent variables. Regression using L*W variable fitted the data better (R2 = 0.994) than L or W (R2 = 0.863 and 0.787, respectively). The slopes using L*W as the explanatory variable were between 0.6776 and 0.6442 for different combinations of cultivar and training system. Combinations of cultivar training system showed different slopes (P
Databáze:	OpenAIRE
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