I’ve been a little slow at posting the Emergency Exemption label that allows the use of Sivanto prime in sweet sorghum (link to 2016 Crisis Exemption Sivanto).  The important details of this label are listed below.  The standard recommended use rate is 4-5 oz of Sivanto prime per acre.

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We have much fewer acres of grain sorghum planted in Tennessee this year, and I’ve spent a lot less time blogging or answering questions about sugarcane aphid. That has not stopped this pest from being present in most sorghum fields. Please refer to my many previous articles about managing this pest during the last two years … just search for sugarcane aphid in the search bar. There are a couple of things you need to be aware of before making an insecticide application (see below). Continue reading →

Grain sorghum acres are way down this year, but those who are growing sorghum should start scouting for sugarcane aphids now. Based on my counterparts reports in more southern states, I suspect there are already low numbers of aphids in some fields. This pest thrives in hot weather, so populations can spread and build quickly. Serious infestations that go untreated can cause catastrophic yield loss. Continue reading →