Research Results

Biocontrol/Integrated Pest Management

These projects have been supported by the Leopold Center. Click on a project name to read a printable summary of the key findings and other details. Full final reports are available from the Leopold Center by request.

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Project Name Project ID
Developing potatoes with horizontal resistance to the Colorado potato beetle E2004-26
Integration of natural seed treatments in organic and open-pollinated corn systems E2004-28
Biological control of the soybean aphid in organic and sustainable soybean production systems 2003-E02
Biotic interference of biological control of purple loosestrife 2001-33
Evaluating sustainable, integrated management of muskmelon diseases, weeds, and insect pests in partnership with Iowa growers 2001-21
The effects of thrips on strawberry production in Iowa 2002-47
Effects of transgenic Bacillus thuringiensis corn pollen on the monarch butterfly 2001-58
Ecological impact of herbicides associated with transgenic soybeans on spider mites 2000-41
Integrating biologically rational strategies for control of anthracnose fruit rot of strawberries 1999-64
Nontarget effects of Bt corn on pathogenic and toxigenic fungi 2000-29
The effects of transgenic soybeans and associated herbicide treatment upon soil-surface mesofauna 1999-29
Biologically intensive pest management: Iowa apple growers take the next step toward sustainability 1998-45
Development of alternative carriers for use of Beauveria Bassiana in Ostrinia nubilalis suppression on corn 1999-75
Manipulation of predatory insects for enhanced biological control of insect pests 1998-72
Transferring biological control technology to Iowa strawberry growers 1996-77
Use of intra-field alfalfa trap cropping for management of the potato leafhopper 1998-43
Biocontrol of purple loosestrife by two host-specific European leaf feeding beetles in Iowa wetlands 1997-41
Biocontrol of Sclerotinia stem rot in soybeans with Sporidesmium sclerotivorum 1996-31
Identification and characterization of the Rose Rosette disease causal agent 1998-33
Integrated pest management for wireworms 1996-02
Pheromone mating disruption: novel, non-toxic control of the European corn borer 1997-19
Biological control of the tarnished plant bug in Iowa 1993-15
Building in Integrated Pest Management network in cooperation with Iowa fruit and vegetable growers
1992-47
The cereal leaf beetle in Iowa oats: Research and education program for biological control and sustainable management practices 1993-16
Effects on transgenic thuringiensis on European corn borer natural enemies and non-target Lepidopteran pests 1995-14
Supporting Leopold Center IPM research through on-farm trials and demonstrations 1995-39
The effect of organic versus chemical fertilizers on insect pathogens 1992-18
Biorational insecticides for the control of corn rootworm 1992-55
Alternative production systems for high-value horticultural crops 1992-33
Sustaining Iowa soybean production through education about soybean cyst nematode 1993-12
Integrated pest management for alfalfa 1995-IPM
Alternatives for implementation of integrated crop management (ICM) programs in local agricultural input firms 1992-51
Building in Integrated Pest Management network in cooperation with Iowa fruit and vegetable growers 1992-47
Ramifications of excessive use of soybean resistance to the soybean cyst nematode, Heterodera glycines 1991-31
Use of planting date to avoid injury from soybean insect pests 1991-09
Calculation of specific economic thresholds for the commercially available yellow sticky traps used for adult corn rootworm monitoring 1992-35
Influence of native roadside plants on biological control of Iowa crop pests 1992-53
Evaluation of a biological control agent for musk thistle 1991-24
Plant pathogens as biological agents for the control of weeds 1991-32
Des Moines and Henry County field trials of corn rootworm beetle traps 1991-06
Characterization of the Rose Rosette Disease causal agent: potential for biological control and multiflora rose 1989-16
Adapting predictive models to reduce fungicide sprays on tomatoes in Iowa 1990-16
A biorational approach to soybean cyst nematode management in Iowa 1990-31
Economic analysis of chemical versus biological suppression of the European corn borer in Iowa corn production 1991-38
Utilizing an entomopathogenic fungus, Beauveria bassiana, for season-long suppression of larval populations of the European corn borer 1988-12
Incorporating environmental costs into economic injury levels 1989-17
Reducing pesticide use through environmental monitoring for pest protection 1989-30
Biological control of the strawberry leaf roller, Ancylis comptana, in Iowa 1988-13
Seed coating with environmentally acceptable polymers as an alternative to fungicide treatment of corn and soybeans 1989-01
Evaluation for an integrated pest management program for northern corn rootworm extended diapause 1988-18
Irrigation and disease management of vegetables 1988-16
Biological control and sustainable horticulture principles of Iowa's vocational agriculture curriculum 1998-24

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