April 11, 2014

Tobacco Mosaic Virus Outbreak on Petunias

Tobacco Mosaic Virus (TMV) is a plant disease that can infect over 300 different species of plants. This disease was recently reported to be causing severe problems in the U.S.

Periodical Cicadas Return to Iowa in 2014

It’s been a long wait but it is almost over!  This is the year that Brood III of the periodical cicadas (a.k.a.

Application of Preemergence Herbicides to Lawns in 2014

Crabgrass is a common weed in many lawns.  Crabgrass is an annual, warm-season grass.  Germination of crabgrass seeds usually begins about mid-April in southern Iowa, early May in norther