Source: Iowa State University Extension and Outreach
2022 has had its share of challenges: a wet start, drought, corn root worm, soybean gall midge, pigweed, and (my favorite) tar spot. And now, as we approach harvest, we face final challenges like ear and crown rot.
From the University of Nebraska — Lincoln, here are three diseases to watch for in flooded cornfields and three to watch for in flooded soybean fields, plus the conditions that will make them worse.
Nebraska is starting to see early evidence of stalk and ear rot diseases. As harvest approaches, growers should watch for early symptoms and consider monitoring high risk fields.
Recent surveys indicate that 20% of the fields in Pennsylvania do not have a current soil test. With high yields, the plant food contained in the soil is depleted more rapidly.
Much of the 2014 Nebraska corn crop has experienced repeated and prolonged stress and wounding. While most of the corn crop looks good, we are beginning to see early evidence of problems developing. In particular, stalk rot diseases are beginning to develop in various areas across the state. Producers should strongly consider monitoring their fields for stalk rot diseases and weakened stalks as corn dries down and harvest approaches.
As the 2014 corn crop heads down the “home stretch” toward physiological maturity and harvest, here are a few items you may want to add to your “honey do” list.
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On this episode of Conservation Ag Update, brought to you by Martin-Till, Brian and Darren Hefty, fourth-generation farmers and hosts of Ag PhD, share tips for treating tar spot in corn.
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