Control of Pests and Weeds by Natural Enemies: An by Roy van Driesche, Mark Hoddle, Ted Center

By Roy van Driesche, Mark Hoddle, Ted Center

Organic keep watch over – using a inhabitants of ordinary enemies to seasonally or completely suppress pests – isn't really a brand new thought. The cottony cushion scale, which just about destroyed the citrus of California, was once managed via an brought predatory insect within the Eighties. speeded up invasions by means of bugs and unfold of weedy non-native crops within the final century have elevated the necessity for using organic regulate. Use of rigorously selected normal enemies has develop into a huge software for the safety of common ecosystems, biodiversity and agricultural and concrete environments.This ebook bargains a multifaceted but built-in dialogue on significant functions of organic keep watch over: everlasting keep an eye on of invasive bugs and vegetation on the panorama point and transitority suppression of either local and unique pests in farms, tree plantations, and greenhouses. Written through prime overseas specialists within the box, the textual content discusses regulate of invasive species and the position of common enemies in pest management.This booklet is key examining for classes on Invasive Species, Pest administration, and Crop safety. it really is a useful reference e-book for biocontrol execs, restorationists, agriculturalists, and flora and fauna biologists.Further info and assets are available at the Editor’s personal site at:

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Additional resources for Control of Pests and Weeds by Natural Enemies: An Introduction to Biological Control

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Finding hosts over short distances Once on a host-infested plant, parasitoids use various materials shed by hosts or emitted by infested plants (collectively called kairomones) to track hosts down. Such materials include chemicals found at feeding sites, waste products (frass, honeydew), body parts (scale, setae, cast skins), and secretions (silk, salivary gland or mandibular secretions, marking pheromones). Kairomones found on plant surfaces promote host discovery by altering parasitoid behavior, producing: (1) arrestment, (2) trail-following, and/or (3) intensified local search.

2005). Attractive volatiles are emitted not just from infested plant parts, but also from non-infested ones via a systemic response (Potting et al. 1995), and even from those of non-infested plants adjacent to damaged ones (Choh et al. 2004). Jasmonic acid is a key compound influencing the signaling pathway between plants and natural enemies (Lou et al. 2005). Artificial application of either inductive compounds or directly attractive compounds has potential to draw natural enemies into crop fields (James 2005).

Arrestment Parasitoids that hunt for concealed hosts such as those in wood or fruit may stop when they contact kairomones on the item’s surface. Arrestment is also produced in some parasitoids by detection of host vibrations (Vet & Bakker 1985). Increased ovipositor probing follows arrestment and helps locate host (Vinson 1976, Vet & Bakker 1985). , a vinegar fly parasitoid, hunts for hosts inside rotting fruits or mushrooms by remaining stationary on infested structures to detect larval movement (Vet & Bakker 1985).

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