You may wish to look at this paper, describing among other things reasonable procedures for callose extraction and a fluorometric procedure for quantitative callose analysis.
Plant Physiol. (1985) 77, 544-551: Chitosan-Elicited Callose Synthesis in Soybean Cells as a Ca2+-Dependent Process'
by: HARALD KOHLE2, WOLFGANG JEBLICK, FRAUKE POTEN, WOLFGANG BLASCHEK, AND HEINRICH KAUSS
@Laith Al-Ani @Johannes Wostemeyer @Houda Kawas, Thanks everybody for sharing articles, I have read these articles, But i didn't find Calculation for callose, as i want to measure quantitative callose by florescent spectrometer. Please help me how i can calculate callose quantitatively.