Effects of concentration, frequency of application and runoff of foliar-applied soluble silicon on powdery mildew of zucchini
H. B. Tesfagiorgis* and M. D. Laing
School of Agricultural Sciences and Agribusiness, Discipline of Plant Pathology, University of KwaZulu-Natal, Private Bag X01, Scottsville, Pietermaritzburg, 3201, South Africa.
Email: [email protected]