Search results

Periodical Cicada Flagging - The End is Near!

July 1, 2014

“All good things must come to an end” and that includes the cicada emergence of 2014.  Most of us will be sad to see them go, though many living in the midst of the emergence will be relieved that the cacophony of cicada singing will soon be over. 

Yard and Garden: Maintaining Your Yard in Summer

July 1, 2014

Summer marks the season when your lawn can look its best – if you know how to maintain it properly. Here are some tips from Iowa State University Extension and Outreach on how to keep your lawn looking sharp during the year’s hottest months, with help from ISU Extension horticulturists.

Grasshoppers in the Home Garden

July 23, 2014

Grasshoppers are an occasional pest in Iowa farms and gardens.  The number of grasshoppers varies greatly from year to year and from place to place.  This appears to be one of the years when at least some growers and gardeners are going to see more than the usual number.

Control of Foliar Diseases on Tomatoes

July 25, 2014

Septoria leaf spot and early blight are common foliar diseases of tomatoes in home gardens.  Fungal diseases overwinter on plant debris in the soil.  Fungal spores are splashed onto plant foliage by raindrops or splashing water and invade the plant tissue when leaf surfaces are wet.  Rainy weather in spring and early summer favors development of foliar diseases on tomatoes. 

 

Turfgrass Rust

August 8, 2014

Rust is a fungal disease caused by several species of Puccinia.  All turfgrass species are susceptible to rust.  However, it is most commonly seen on perennial ryegrass and Kentucky bluegrass. 
 
From a distance, rust infected turf has a yellow-brown color.  Close examination of rust-infected grass blades reveals numerous yellow-orange pustules.  Rust can be easily diagnosed by walking across the lawn.  As one walks across the lawn, bright orange spores of the rust fungus rub off onto one’s shoes. 

Yard and Garden: Tackling Common Summer and Fall Tree Issues

August 7, 2014

Trees can become afflicted with problems that can change their appearance and overall health. Iowa State University Extension and Outreach horticulturists offer tips on fighting these issues. To have additional questions answered, contact the ISU Hortline at 515-294-3108 or hortline@iastate.edu.

My magnolia is infested with magnolia scale.  What are my control options?

Magnolia scale (Neolecanium cornuparvum) is the largest scale insect in Iowa. Adult magnolia scale females are pinkish orange to brown, elliptical and up to one-half inch in diameter. Females give birth to their young (known as nymphs or crawlers) in late summer.