Insect Pest Management for Greenhouses

This handy chart lists pesticides that are most effective against common greenhouse pests such as aphids, scales, leafminers, spider mites, and thrips. Formulation, effectiveness, cautions, and other details are provided.

Gladiolus Disorder: Virus Complex and Aster Yellows

Viruses can destroy the value of a gladiolus crop. Serious infections have been observed throughout Wisconsin in some years. While Aster Yellows is common, it usually infects just a few gladioli scattered in plantings. This fact sheet covers the symptoms, causes, and means of control of viral and Aster Yellows infection.

Hosta Virus X

Hosta virus X (HVX) is a viral disease that causes serious problems on many hosta cultivars, causing nursery owners and gardeners in the United States to voluntarily destroy large numbers of hosta to help prevent the spread. This fact sheet describes the symptoms and management of this virus.

Managing Mites in Greenhouses

R. Chris Williamson, UW Turf and Ornamental Specialist Revised:  4/25/2004 Item number:  XHT1021 Several types of mites can cause serious damage to a variety of greenhouse crops.  Among the most common mite species are the broad mite (Polyphagotarsoeneumus latus), carmine spider mite (Tetranychus cinnabarinus), cyclamen mite (Phytonemus pallidus), the Lewis spider mite (Eotetranychus lewisi), and […]

Managing Aphids in Greenhouses

R. Chris Williamson, UW Turf and Ornamental Specialist Revised:  4/25/2004 Item number:  XHT1020 Aphids can be persistent and serious pests in the greenhouse.  Because of their high reproductive capability and resistance to numerous insecticides, they can be difficult to control.  Aphids are sucking insects that damage greenhouse crops by causing curling and distortion of young, […]

Plants Not Favored by Deer

If deer visit your property, you’ve likely already experienced the frustration of having landscape plants destroyed overnight. Before planting (or replanting), check out this list of trees, shrubs, flowers, herbs, and grasses that deer tend to avoid.

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