Milk's natural enzymes ward off several types of mildews that commonly attack tomato plants. The use of milk also prevents aphid infestation and therefore keeps other insect-transferred diseases at bay. For best results, use a 50/50 dilution of milk and water and apply directly to foliage with a spray bottle once a week.
About this Author
Deborah Waltenburg has been a freelance writer since 2002. In addition to her work for Demand Studios, Waltenburg has written for websites such as Freelance Writerville and Constant Content, and has worked as a ghostwriter for travel/tourism websites and numerous financial/debt reduction blogs.