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Quantifying the Effect of Pyraclostrobin on Grain-fill Period and Kernel Dry Matter Accumulation in Maize

E. Byamukama, L. J. Abendroth, R. W. Elmore, and A. E. Robertson

October 2013


Strobilurin fungicides may offer the "stay-green effect," possibly extending the grain fill period leading to increased grain yield due to a longer period of dry matter accumulation. We investigated the effect of pyraclostrobin fungicide applied at tasseling on foliar disease suppression, stalk rot severity, the stay-green effect of leaves in the upper canopy, dry matter accumulation, time at physiological maturity, grain yield, and moisture at harvest in maize from 2008 through 2010 in Iowa at six location years.


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