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Impact of covert infections with an RNA virus on the susceptibility of Spodoptera exigua to natural enemiesNARA Subscribed
Integrated Pest Management (IPM) programs are alternatives to classical pest control through the application of chemical insecticides. IPM goal is to maintain pest populations below economically injurious levels minimizing the use of chemical insecticides. In recent years, research on insect viromes has led to the discovery of many novel viral pathogens in insect pests, some of them producing covert infections that do not caus...
Three developmental stages of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), can be found in the soil (late third instar larvae, pupae, and teneral adults). These stages are susceptible to predation by generalist ground-dwelling predators. Our objectives have been to investigate the association between ground cover management (bare soil, a seeded cover of Festuca arundinacea and a mulch of...
Entomopathogenic nematodes (EPNs) are commonly used biocontrol agents of insect pests, with a wide range of commercially available isolates targeting specific pests. New isolates are, however, required to improve pest control across a wider range of environmental conditions for target pests, including emerging threats. We assessed the effect of temperature on survival and virulence of 17 Australian isolates of five EPN species...
Biocontrol with hypocrealean entomopathogenic fungi (EF) is a key tool to develop Integrated Pest Management (IPM) programs for the progressive replacement of synthetic chemical insecticides with more environmentally friendly pest control measures. These fungi stand out among entomopathogens not only for their contact mechanism of infection through the arthropod integument, but also for developing close associations with plant...
Cross-protection of oilseed rape against Verticillium longisporum by the non-aggressive lineage A1/D2NARA Subscribed
Verticillium longisporum is a soil-borne vascular pathogen of oilseed rape and other Brassica crops. The limited availability of chemical control measures against vascular pathogens calls for the exploration of control alternatives. Cross-protection may be conveyed by the use of non-pathogenic or non-aggressive isolates of potential pathogens as biocontrol agents. V. longisporum consists of three lineages that originated from...