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Delayed Planting and Diseases in 2019

May 30, 2019
A diagram on how the pathogen, host, and environment can influence tar spot disease triangle. Red denotes the factor that’s being reduced, such as decreased inoculum viability, reduced host susceptibility, and/or unfavorable environmental conditions leading to less disease.

This growing season, delayed planting, combined with continued cool and wet conditions have taken their toll on crops that were planted in the brief periods of optimum weather. Given that there is already delayed emergence, and the wet and cool weather patterns are expected to continue, we could very well see continued delayed growth and development of crops. This means that we can also expect reaching grain fill later in the growing season, which creates a window of opportunity for plant diseases to impact total yield.

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