University of Guelph and USDA researchers uncover a new defense mechanism in plants
In the battle between weeds and crops, weeds are winning. A new theory developed by a University of Guelph researcher suggests why. For the first time, plant scientists have shown that weeds can alter crop growth from a distance by affecting light signals used by the crop plants to communicate. Clarence Swanton, a weed scientist […] Read more
Light signals from neighbouring weeds alter crop plant growth, yield

Is mowed milkweed better for monarchs?
Science Notes: Research shows that monarch butterflies prefer younger milkweed plants
As odd as it may seem, mowing down milkweed can help monarch butterflies. University of Guelph researchers have found that cutting down milkweed where monarch butterflies lay their eggs and where caterpillars feed benefits the vulnerable insects — but only if mowing is timed strategically. According to a new paper published in the journal Global […] Read more
Ont. researchers document family of intersex horses
Koko the horse appeared to be a typical mare but when she began acting overly aggressive and trying to mount her female counterparts, her owner became suspicious. After a barrage of tests at the University of Guelph’s Ontario Veterinary College, researchers discovered that Koko was in fact a male horse that appeared female. According to […] Read more
Potato famine (variety) reaches Ontario
The infamous spud that sparked the mid-1800s Irish potato famine is growing this summer in a potato patch run by the University of Guelph. The variety, called “Lumper,” was among about 120 trial potato varieties shown Aug. 12 at U of G’s Elora Research Station as part of this year’s potato research field day. Called […] Read more