June 1, 2011

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


 

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


Plant and Insect Diagnostic Clinic Update - June 1, 2011


The following are highlights and updates about samples and questions recently received in the Plant & Insect Diagnostic Clinic:

 
Insects