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Pioneering the Future

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How potassium nutrition can suppress soybean aphids | Tom Bruulsema, Christina DiFonzo and Claudio Gratton

The soybean aphid has become the most important insect pest of soybeans in the North- east and Midwest regions of North America. It often damages soybean  plants that  are K-deficient more than  those  that  are not. Recent research in Wisconsin and  Michigan has found that K-deficient soybeans can in some, but not all, instances suffer more from aphids than soybeans without K limitation, and that the causes may be related to amino acid composition of the phloem sap.
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