June 9, 2003

URBANA—The next time the lettuce leaves in your backyard garden turn yellow or tiny, multi-legged creatures frolic on your tomato vines help may only be a mouse click away thanks to a new feature on University of Illinois Extension’s Urban Programs Resource Network. “Common Problems for Vegetable Crops” is the addition.

Date: May 20, 2003

URBANA -- According to a University of Illinois researcher, setting a threshold for weed tolerance in vegetable crops is the key to helping farmers decide when or even if they should apply herbicides.

"The threshold for controlling insects is determined from performing sweep nets or other means to collect and count insects," said John Masiunas, "but there isn't the same widely-accepted threshold for weeds."