The number of organic farmers, as well as the number of acres devoted to organic growing methods, has increased steadily for the past 10 years. This increase creates a need for up-to-date growing information. While organic farmers and gardeners rely on sound cultural gardening techniques to prevent insect and disease problems, there are times when they have to spray. There are a number of organically approved products on the market that can be used, but little consolidated information about their effectiveness.
Researchers at Cornell University have compiled a guide to help organic farmers and gardeners manage insect and disease problems. The Resource Guide for Organic Insect and Disease Management reviews the best practices for growing various families of vegetables, such as brassicas and cucurbits. It also reviews the scientific literature for the performance of 13 organic pesticides used on vegetables. Information in these Fact Sheets includes how the pesticide works, effects on the environment, effects on humans, efficacy, and specific pest observations. The final section of the book contains information on plant resistance, trap cropping, and additional resources.
A free online version of the Resource Guide for Organic Insect and Disease Management is available, or you can order a printed copy for $19 (including postage). For more information go to: Cornell University.