A simple portable instrument utilizing a cadmium sulphide light-dependent resistor in a
bridge circuit, and its use in the in vivo estimation of total chlorophyll content of tobacco …

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 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 recent non‐destructive technique allows estimation of leaf chlorophyll content using the
portable SPAD‐502 chlorophyll meter. Measurements were taken on four species (winter …

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 …

In Vivo Measurement of Chlorophyll Content of Leaves Page 1 New Phytol. (I973) 72, 51-54. IN
VIVO MEASUREMENT OF CHLOROPHYLL CONTENT OF LEAVES BY K. HARDWICK AND …

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 method proposed provides a rapid and accurate means of determining chlorophyll in
plant tissue. Transmittance of light above 610 mu, is measured in a photoelectric colorimeter …

(WITH THREE FIGURES) In research problems in plant physiology, it occasionally becomes
de-sirable to make a considerable niumber of quantitative determinations of chlorophyll. The …

The important role that chlorophyll (CHL) plays in plants necessitates its estimation in
various types of studies. Singh and Anantrao (6) realized the need for a reasonably simple …