Figure 1From: Characterization of a protease produced by a Trichoderma harzianum isolate which controls cocoa plant witches' broom diseaseChromatography of the crude enzyme preparation of Trichoderma harzianum 1051 on a Phenyl-Sepharose column. ■ protease activity; ● Absorbance at 280 nm; — (NH4) 2SO4 negative gradient.Back to article page