BRs (brassinosteroids), an endogenous hormone in plants, regulate cellulose accumulation, cell elongation and plant growth. Propiconazole (PCZ) is effective inhibitor of BR biosynthesis. DCB (2,6-Dichlorobenzonitrile) can inhibit the synthesis affects chemical composition walls. Celery one important leafy vegetable Apiaceae family with rich dietary fiber (including cellulose). The petioles leng...