May play a role in stress response. Hydrolysis of terminal non-reducing beta-D-fructofuranoside residues in beta-D-fructofuranosides. Associated to the cell wall. Expressed in roots and leaves. By rice blast fungus (M.grisea) 48 hours after infection. Down-regulated by sucrose in excised leaves. Belongs to the glycosyl hydrolase 32 family.