Effect of Mulching And Licorice Root Extract on Growth of Two Broccoli Cultivars (brassica Oleracea Var. Italica.)

This study was aimed to evaluate the effect of cultivars, mulching, foliar application licorice root extract, on broccoli leaves (Brassica oleracea var. italica). The findings demonstrated that both cultivars Wisdom and Agassi have significant differences in terms vegetative growth characters, All studied traits were significantly increased by wisdom cultivar during seasons. It also observed plastic mulch all investigated cultivars. interactions between extract straw marked elevation most detected traits. Black impacted measures, whereas 18g.L-1 black together produced greatest overall result parameters (Number leaf. plant-1, plant high (cm), stem length (cm) , branch number. Plant-1 chlorophyll contents (SPAD). Regarding nutrients contents, showed. combination among three factures enhanced