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C.O.R.N. Newsletter 2004-23
"blister" stage of kernel development). This usually occurs about 10 to 14 days after fertilization of the ... the south and arrive in Ohio by about mid June to early July. Spores germinate and infect the leaves ... in about 6 hours when water is present on leaf surfaces and the temperature is between 60 and 77 ...
Foliar Fungicide Application in Field Corn- A 2014 Update
diseases are present and at high levels on susceptible hybrids. Question 3. What about yield increase ... a comparison will need to be made over multiple years and locations. Question 4. What about the economics? ...
Corn Yield Prediction
can only be used after the grain is physiologically mature (black layer), which occurs at about 30‑35% ... be of greater assistance to farmers trying to make a decision about whether to harvest their corn for ...
C.O.R.N. Newsletter 2005-10
Mark Loux Regarding last week’s article about dry weather and possible herbicide performance problems ... a postemergence grass herbicide should be added if grasses are more than an inch tall. One caution about early ... temperatures at the 2-inch depth are about 40 degrees, so there won’t be any measurable emergence or growth ...
C.O.R.N. Newsletter 2006-14
be concerned about because leaching will be more prevalent when soil temperature is low (< 50 ºF), ... Generally speaking, soil temperatures around 60 ºF for three weeks results in about 50% of the total ... reference strip. This reference strip would give us a direct field comparison of where additional nitrogen ...
C.O.R.N. Newsletter 2007-08
can be fairly unpredictable during periods of adverse weather. It is therefore difficult for us to be ... cautious about full rates of metribuzin (Sencor, etc) with glyphosate/2,4-D this week for the same reason. ... publication http://wheat.colostate.edu/freeze.pdf temperatures below 12 F are injurious during tillering, ...
C.O.R.N. Newsletter 2004-25
asking the grower about weed control in the soybeans in 2003, we were informed it was excellent. Although ... farm is located two miles north of US 224 on Twp Road 13 and is approximately two miles west of ...
C.O.R.N. Newsletter 2007-03
most agronomists. In Ohio, corn grown following soybeans typically yields about 10% more than ... handouts, an OSU agronomy publication, CCA credits and Commercial Applicator Credits. Registration is due no ...
Adjusting No-till Burndown Programs for Later Planting
This is a revision of an article we seem to publish in C.O.R.N. about every three years, when wet ...
C.O.R.N. Newsletter 2007-09
for the past year about problems associated with the control of annual ryegrass cover crops in the ... appear to validate these concerns. We are observing poor control with glyphosate at about 2 weeks after ... less certain about answering “no” to that question, but I’m still concerned about cutting those stands. ...