June 1, 2011

Honey Bee Colony Losses in the U.S., Winter 2010-2011

The following is a summary of a preliminary report on winter mortality of honey bee colonies in the US over the past winter. The full report can be read on the eXtension website.

Alternate Bearing and Hand Thinning of Tree Fruits

The tendency of fruit trees to bear fruit in two-year cycles, consisting of a large crop followed by a small crop, is termed alternate or biennial bearing. Alternate bearing occurs in almost a

Fungicides and How to Use Them Effectively

Viruses, nematodes, and bacteria can cause plant disease, but fungi are the number one disease-causing organism.

Periodical Cicadas in Iowa in 2011

This year there are two, not one, but two, opportunities to see periodical cicadas in Iowa. 

Welcome Erika to the Diagnostic Clinic!

We are pleased to welcome Erika Saalau to the ISU Plant and Insect Diagnostic Clinic. She joined the Clinic team on May 20 as our plant pathology specialist.   Erika will be working

Bumble Bee Nest