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Reduced Risk Pest Management Practices in Apple Orchards: Environmental Impact and Arthropod Response
Başlık:
Reduced Risk Pest Management Practices in Apple Orchards: Environmental Impact and Arthropod Response
Yazar:
Jubaer, Shamim Al, author.
ISBN:
9780438079052
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (55 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Timothy Leslie.
Özet:
A key component of integrated pest management (IPM) in agriculture is the reliance on biological control. However, applications of broad-spectrum insecticides may negatively affect natural enemies and disrupt the pest regulation services they provide. The adoption of ecologically-based IPM programs featuring reduced-risk pesticides have the potential to lower environmental impact and support biological control. Using a split-plot design in six Pennsylvania commercial apple orchards, this three-year study examined the environmental impacts of reduced-risk (RR) pest management programs versus grower standard (STND) pest management programs that heavily relied on organophosphate and pyrethroid insecticides. For each program, all pesticide inputs were recorded to conduct an Environmental Impact Quotient (EIQ) analysis. In addition, the abundance of select arthropod parasitoids, predators, and pests were compared between programs and among field sites. Pesticide use (kg a.i./ha) and EIQ values were reduced by 81.4% and 89.8%, respectively, in RR programs compared to STND programs. No differences in arthropod abundance were detected between programs, revealing that RR programs provided comparable pest control, while sustaining biological control agents and lowering environmental impact. Arthropod abundance varied significantly among field sites, suggesting that the surrounding landscape may play a large role in shaping these arthropod communities.
Notlar:
School code: 0198
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(696248.1) | 696248-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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