A stretch of sunny, dry weather in Ontario has soybeans on the comeback trail.
That also means that soybean fungicide timing is sneaking up on many growers as the crop picks up steam in mid July. In this edition of RealAgriculture Soybean School, BASF agronomist Ken Currah takes a closer look at the soybean fungicide application window.
For soybeans, Currah says fungicides deliver the best return on investment when they are applied at the R2 to R2.5 stage. “Once you start slipping into R3 and R4, the consistency of fungicide goes with it.”
For growers based on a three-crop rotation, many of the fields that were stung by white mould in 2014 are now back in soybeans and they’ll need to be watched closely, says Currah, offering tips on how to best manage those fields.
He notes that the soybean application window is more flexible in corn, especially this year when corn growers are trying to maximize plant health while also trying to control pests such as western bean cutworm that can promote vomitoxin and cause quality issues. “With soybeans, it’s a matter of nailing that plant health window and then addressing the aphid concern as it comes.”
In this video, Currah also offers recommendations on how to best combine foliar fertilizer needs with insecticide and fungicide application.
Click here to see more Soybean School episodes.
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