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 …

A portable leaf greenness meter (SPAD‐501) has been used to provide a rapid and non‐
destructive measurement of leaf chlorophyll in Vitis vinifera. Leaf extracted chlorophyll was …

The Minolta chlorophyll meter SPAD-502 was tested for its applicability with leaves of the
grape cultivars Riesling, Trollinger, Lemburger and WE 70-77-4F grown in the Wurttemburg …

Traditional methods for chlorophyll (Chl) measurement include wet chemical extractions and
handheld Chl meters. The recent availability of small and affordable radiometers has …

A reliable non-destructive method for determining leaf chlorophyll (Chl) content using a
Minolta SPAD-502 meter is described. Calibration curves plotting Chl-meter readings …

The need to measure changes of chlorophyll concentration in citrus leaves required a
nondestructive method of analysis applicable to field use. Light reflectance in the …

A Minolta portable meter (SPAD-501) for the rapid and non-destructive estimation of leaf
greenness was used in this study to evaluate linear relationships between SPAD-501 …

Varietal influences and effects of the sampling method on chlorophyll measurement using
the electronic measuring instrument MINOLTA SPAD-502 were evaluated for the grape [Vitis …

A chlorophyll-sensitive photometer which provides a fast, accurate, non-destructive method
of estimating chlorophyll is described. The portable instrument has 2 range settings. For the …

Modern agricultural farming requires precise, quick and nondestructive methods for
determination of basic plant physiological parameters. One of the widely used and …