University of Illinois Extension

Archives for June 2017

June 29, 2017
Richard Hentschel

Extension Educator Richard Hentschel covers information about leafhoppers on a wide range of trees in the landscape and natural areas, and how they distort and damage annual growth. Also covered is yellow nutsedge, which is appearing in the lawn flower beds and vegetable beds due to the higher moisture levels in the soil this year.

 
Play Online 
June 22, 2017
Richard Hentschel

Richard Hentschel, host of Green Side Up, discusses some pretty common diseases in the landscape and home orchard. Black spot of roses has been very evident and everywhere with our weather pattern this year. Peach leaf curl on peaches looks like blisters on the leaves and gets started at the very earliest stage of bud break.

 
Play Online 
June 15, 2017
Richard Hentschel

Host Richard Hentschel discussed several "out in the garden" chores that could be done starting with the removal of spent bulb foliage and continued spraying of fruit trees in the home orchard. Other points covered include lawns, and differences between foliage diseases and chewing insect feeding in the landscape.

 
Play Online 
June 8, 2017
Richard Hentschel

Host Richard Hentschel talks about the impacts of our above normal collection of Growing Degree Days on insect development and uses the Viburnum Leaf Beetle as a typical example. Viburnum Leaf Beetle arrived from Europe some years back and has been a pest in Northeast for several years. More recently, the beetle has been found in Chicagoland. Both larvae and adults of the Viburnum Leaf Beetle cause damage by their feeding and egg laying habits.

 
Play Online 
June 1, 2017
Richard Hentschel

Host Richard Hentschel discusses several updates to spring disease spread and insects that are ahead of schedule. Cedar Apple Rust is done putting spores into the air. Pine sawfly and other sawfly larvae are out and have been feeding. Another newer insect is the Viburnum Leaf Beetle. Also noted has been the thinner foliage on certain maples.

 
Play Online