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Showing posts from July, 2006

Kernels or Not?

Dale R. Hicks, Retired Extension agronomist
Corn plants for most of Minnesota have been short of moisture or under high temperature stress for the past four weeks. Since most fields are past tasseling and silking, one can now determine the success of the pollination and fertilization process. The objective here is to describe a simple method to determine the fertilization success and to discuss the effect of stress on plant recovery and grain yield.

Using drought-stressed corn for forage

D.R. Hicks and P.R. Peterson, Former Agronomists, University of Minnesota
Corn that is drought stressed can be used for forage, either green chop or as silage. The purpose of this article is to address some of the questions that growers should consider when using drought-stressed corn.

Flag Leaf Burning: Hot Weather and Leaf Tip Necrosis in Wheat

Jochum Wiersma, Small Grains Specialist

Photo 1. Effect of hot, dry, and windy weather on young and tender flag leaves on the variety 'Glenn.' Under certain conditions, the appearance of necrotic areas on flag leaves in wheat can look like a severe disease outbreak. Symptoms can be described as a dying back of the flag leaf from the tip of the leaf downwards (Photos 1 and 2).