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wmst
Posted 8/4/2016 19:24 (#5451112 - in reply to #5450511)
Subject: some things to consider Cold weather!


overlooking Keg creek
quote from the following article. https://www.agry.purdue.edu/ext/corn/news/articles.01/Krnl_Set-0820....

"An admittedly farther stretch of imagination suggests that it is possible that the one or two cold nights in early July (remember the frost injury in low-lying muck fields) interfered with normal pollen maturation, resulting in less total pollen or some frequency of unviable or defective pollen. Similarly, the late May/early June cold snap may have interfered with initiation of tassel branches and spikelets due to the timing of the chilling injury with the initiation of tassels occurring in corn that was at growth stages V5-V6. Interference with either tassel development or pollen maturation would have left the corn plant more vulnerable to the effects of severe silk clipping by insects."

Just a thought. in 2015 we had a variety that fell back nearly 50 bu with pollination problems-. Only had a few acres - but was it a disappointment. Seed company sighted the cold weather snap. One of the inbreds on rare occasions had a problem. I think they were right because the worst of the problem was in the low ground as we went up the hill the yield increased. Had a dozen varieties in a plot that showed no problems.

Bill S


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