Chlorophyll Content of Grain Sorghums

Abstract

The chlorophyll content in kafir, based on weekly determinations, increased generally to the stage of seed maturity, began to decrease as the grain hardened, and varied directly with the amt. of evaporation and with the temp. There was a positive correlation between the chlorophyll content and the yield. For comparative purposes, the microspectro-scope was very effective in determining the relative cones, of chlorophyll in kafir seedling leaves. These leaves are of uniform thickness when grown under the same conditions. Sols, may be compared by the use of a micro-spectrocolorimeter with greater accuracy than with most colorimeters. Spectral band widths in alcoholic solutions vary according to the intensity of the chlorophyll.