Effect of bio and chemical control agents to Fusarium wilt caused by Fusarium oxysporium f. sp. gladioli and improving of growth characters of gladiolus var. Peter pears plants * Department of Agric. Botany and ** Department of Horticulture Fac. of Agric. Moshtohor, Zagazig University (Benha Branch), Egypt. Annals of Aric. Sc., Moshtohor, 38 (2): pp 883-906.