A nondestrive method of leaf area estimation was evakuated on two year old hazelnut plants cv. Tonda Gentile Romana in the field. Black and white photograps were taken in two directions at 90° and pocessed by means of a Vidas image analyzer (Kontron Elektronic). Plats were then defoliated and actual leaf area was measured by means of a Delta T Device area meter. A good linear relationship between measured leaf areas and canopy silhouette area was obtained. Leaf area index was reliably calculated. Plant size parameters were correctly predicted by image processing.
Image analysis estimation of leaf area and plant size of young hazelnut plants / Bignami, Cristina; Rossini, F.. - In: JOURNAL OF HORTICULTURAL SCIENCE. - ISSN 0022-1589. - STAMPA. - 71 (1)(1996), pp. 113-121. [10.1080/14620316.1996.11515387]
Image analysis estimation of leaf area and plant size of young hazelnut plants
BIGNAMI, Cristina;
1996
Abstract
A nondestrive method of leaf area estimation was evakuated on two year old hazelnut plants cv. Tonda Gentile Romana in the field. Black and white photograps were taken in two directions at 90° and pocessed by means of a Vidas image analyzer (Kontron Elektronic). Plats were then defoliated and actual leaf area was measured by means of a Delta T Device area meter. A good linear relationship between measured leaf areas and canopy silhouette area was obtained. Leaf area index was reliably calculated. Plant size parameters were correctly predicted by image processing.
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