Grain Journal - January/February 2009 - (Page 104) Spring Approaches HOW TO PREVENT AN INSECT POPULATION EXPLOSION AS TEMPERATURES WARM No matter where you live, the seasons are about to change, and if you currently are experiencing frigid temperatures, you are really ready for that change. Unfortunately, so are the insects living within your grain bin. is produced when the amount of daylight reMANAGEMENT duces to less than eight Linda Mason hours per day – typical of winter conditions. As temperatures continue to fall, the insect’s ability to move around is severely reduced, and eventually, it is unable to function normally. If it is Resisting the Cold able to produce antifreeze, To survive the cold it will be able to resist temperatures, many infreezing in some extreme sects produce antifreeze similar to temperatures. what you put in your truck. GlycFor example, Indianmeal moth erol, the insect antifreeze of choice, is an insect that is able to resist STORED GRAIN extremely cold temperatures. Depending on previous environmental conditions, larvae are able to withstand temperatures in the range of minus four to eight de- If you do detect a warm spot, cool it down as best you can, and sample on a regular basis to see if insect populations are increasing. -Linda Mason, Purdue University Response No. 1041 Response No. 1042 104 GJ J/F http://www.mcs-pa.com http://www.zerospeedswitch.com http://www.zerospeedswitch.com http://www.mcs-pa.com
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