Lima Bean Fungicide Update

Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu

There are several fungicide additions for 2008. BASF added soybean rust control on lima beans to the Headline label in addition to snapbeans. Dow Ag Products was granted a section 18 label for the use of Nova on lima beans for soybean rust control in DE last season, but Dow is no longer continuing the Nova trade name. Nova will be marketed as Rally for lima beans and other vegetable uses. Rally has been Dow’s myclobutanil product in fruit. Rally is the same formulation as Nova, a 40% wettable powder. I still do not expect soybean rust to be a threat to lima bean or snap bean production from the inoculation studies and field trials in the US and South Africa.

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