Dr. S. J. PatelJ.S.Patel2017-10-042017-10-042006http://krishikosh.egranth.ac.in/handle/1/5810032176Mustard is an important oilseed crop of India as well as Gujarat. Powdery mildew, caused by Erysiphe cruciferarum Opiz. ex Junell., occurs regularly and causes considerable yield losses. Investigations were carried out on management of powdery mildew using fungicides, phytoextracts and suspension of Trichoderma viride. Besides, assessment of seed health status of mustard seeds were carried out in respect of seed abnormality, test weight of seeds, seed germinability, seedling growthenPlant PathologyManagementThesis