Nondestructive estimation of leaf chlorophyll content in grapes

M Steele, AA Gitelson… - American Journal of …, 2008 - Am Soc Enol Viticulture
Leaf chlorophyll content provides valuable information about the physiological status of
plants, and there is a need for accurate, efficient, practical methodologies to estimate this …

A comparison of two techniques for nondestructive measurement of chlorophyll content in grapevine leaves

MR Steele, AA Gitelson, DC Rundquist - Agronomy Journal, 2008 - Wiley Online Library
Traditional methods for chlorophyll (Chl) measurement include wet chemical extractions and
handheld Chl meters. The recent availability of small and affordable radiometers has …

Comparison of PROSPECT and HPLC estimates of leaf chlorophyll contents in a grapevine stress study

LJ Renzullo, AL Blanchfield, R Guillermin… - … Journal of Remote …, 2006 - Taylor & Francis
This letter describes how PROSPECT, updated with a 1 nm chlorophyll absorbance
database, was used to infer total chlorophyll content from the measured reflectance spectra …

Chlorophyll and carotenoid quantifications in white grape (Vitis vinifera L.) skins by reflectance spectroscopy

L Rocchi, L Rustioni, O Failla - Vitis, 2016 - air.unimi.it
In white grapes, chlorophylls and carotenoids play important roles in berry color and
environmental interactions (eg radiative stresses). In this paper, easy, fast and low cost non …

Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non-destructive chlorophyll assessment in higher plant leaves

AA Gitelson, Y Gritz, MN Merzlyak - Journal of plant physiology, 2003 - Elsevier
Leaf chlorophyll content provides valuable information about physiological status of plants.
Reflectance measurement makes it possible to quickly and non-destructively assess, in situ …

Utilization of a non-destructive chlorophyll meter to assess chlorophyll concentration in grapevine leaves.

L Bavaresco - 1995 - cabidigitallibrary.org
A dual wavelength chlorophyll meter (Minolta SPAD-502) was used to measure chlorophyll
content in leaves of a number of Vitis species grown in pots containing calcareous or non …

Application of a hyperspectral imaging system to quantify leaf-scale chlorophyll, nitrogen and chlorophyll fluorescence parameters in grapevine

Z Yang, J Tian, K Feng, X Gong, J Liu - Plant Physiology and Biochemistry, 2021 - Elsevier
Rapidly and accurately monitoring the physiological and biochemical parameters of grape
leaves is the key to controlling the quality of wine grapes. In this study, a Pika L …

Non-destructive assessment of chlorophyll carotenoid and anthocyanin content in higher plant leaves: principles and algorithms

AA Gitelson, MN Merzlyak - 2004 - digitalcommons.unl.edu
Leaf pigment content provides valuable information about the physiological status of plants.
Reflectance measurement makes it possible to quickly and non-destructively assess, in situ …

Nondestructive assessment of chlorophyll content in watercress leaves by a tristimulus reflectance colorimeter

S Meir, S Philosoph-Hadas, P Gloter… - Postharvest Biology and …, 1992 - Elsevier
In the present study we have applied the nondestructive system of the Commission
International d'Eclairage (CIE) for color assessment in fruits to measure chlorophyll (Chl) in …

[HTML][HTML] Comparative quantification of chlorophyll and polyphenol levels in grapevine leaves sampled from different geographical locations

E Martín-Tornero, RNM de Jorge Páscoa… - Scientific Reports, 2020 - nature.com
Near infrared spectroscopy (NIRS) and mid-infrared spectroscopy (MIRS) in combination
with chemometric analysis were applied to discriminate the geographical origin of grapevine …