Spray advisories for leaf spot and Sclerotinia Blight are available through a list serve. Dr Lux describes how to use these tools on the menu associated with peanut production meetings. Contact LeAnn if you want to be added or if you have questions. The key piece of information is the last effective spray date. There is a lot of important information within the advisories. However in practice, the LESD is the most important piece of information on the advisories. If you have sprayed since that date, you are protected from disease.
A screenshot of both advisories is provided below: