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Cool weather causes corn maturity concerns

By Staff | Aug 16, 2013

The recent period of cooler than normal weather has heightened concerns that this year’s corn crop may not mature before the first killing frost. Corn development can be tracked closely using corn growing degree days (GDDs). According to Joel Ransom, NDSU Extension Agronomist for Cereal Crops, currently GDDs are running behind the long turn average, but not by too much. In fact, the date when 50% of the corn crop was reported to have silked this year, July 28th, is close to the 5-year average date for this developmental stage. Nevertheless, the recent below average temperatures are slowing corn development significantly, and so there is justifiable concern about the corn crop maturing late this season, particularly for fields that were planted late. The following table relates calendar days and GDDs to corn kernel development and yield in general terms. The ranges listed above are fairly large in order to take into account variances in temperature within the state and in the relative maturities of the hybrids grown.

Late Maturing Corn Workshop Set for August 27th at Minot

A Late Maturing Corn Crop Workshop is set to be held Tuesday, August 27th at the North Central Research Extension Center located in Minot. The workshop will begin at 9:00 a.m. followed by a noon lunch sponsored by the North Dakota Corn Growers Association.

Topics include:

Marketing Corn with Quality Issues

Storing, Drying, and Handling Wet Corn

Corn Production Issues

Crop Insurance Issues Related to Wet/Immature Corn

Precision Agriculture Using Drone Technology

NDSU Master

Gardener Classes Set to Start Sept. 27

North Dakota master gardener training is more convenient and flexible than ever, according to Esther McGinnis, the North Dakota State University Extension Service master gardener coordinator.

The core master gardener course will be offered online and in a traditional classroom setting. If weekday morning classes conflict with an individual’s schedule, the classes can be watched online. Also, all assignments will be online.

The traditional classroom training will be conducted at several locations in the state, including Ashley, Bismarck, Cooperstown, Devils Lake, Dickinson, Fargo, Grand Forks, Minot, Napoleon, Wahpeton, Watford City, and Williston.

The online and classroom sessions will run for eight weeks beginning Sept. 27 and ending Nov. 15. The training sessions will be held every Friday from 8:30 a.m. to 12:30 p.m. (CDT).

“Topics will include annual and perennial flowers, selecting and planting trees and shrubs, soil health, plant diseases and pests, landscape design, vegetable and fruit production and so much more,” McGinnis says.

The cost is $150 for those wishing to become a certified master gardener, and $300 for those just interested in taking the class. Computer knowledge and Internet access is required. All handouts will be available online for participants to access and print.

Certified master gardeners are required to complete 48 hours of approved volunteer work through their NDSU county Extension agent. The volunteer work should be completed within 24 months following the completion of classes.

“The master gardener program goes beyond ordinary and invests in creating leaders to serve the needs of their communities,” McGinnis says. “Master gardeners become ambassadors to assist the NDSU Extension Service in providing accurate and environmentally sustainable horticultural advice.”

For more information, contact your local NDSU Extension Service office or McGinnis at (701) 231-7406.

To register, go to www.ag.ndsu.edu/mastergardener. All registration is done online and payment is by credit card or electronic check only. The registration deadline is Friday, Sept. 13.

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