Get Biological Control in Plant Protection: A Colour Handbook, PDF

By Neil Helyer

There has been a wide bring up within the advertisement use of built-in crop/pest administration equipment for pest and affliction keep watch over on quite a lot of plants in the course of the international because the first version of this ebook. The thoroughly revised moment version of the bestselling Biological keep watch over in Plant safeguard: a colour Handbook keeps the target of delivering a instruction manual with profiles and full-color images of as many examples of organic keep watch over organisms from as large an international quarter as attainable. it really is designed to aid readers expect and realize particular difficulties of pest administration after which get to the bottom of them utilizing the usual enemies of pests—parasites, predators, and pathogens.

The authors first describe the effect of predator-prey relationships on host plant species in arable, orchard, and guarded environments. the most sections of the booklet comprise profiles of pests, priceless arthropods (insects and mites), and invaluable pathogens (bacteria, fungi, viruses, and nematodes), that includes a tabular pest id consultant. Descriptions of biocontrol organisms are divided into 4 sections: species features, lifecycle, crop/pest institutions, and impacts of starting to be practices. The textual content is illustrated all through with colour images of the top quality.

This revised version is helping readers extra absolutely comprehend the ideas and perform of organic keep an eye on and built-in pest administration. All chapters were up to date and multiplied, and greater than three hundred new images were additional. the second one version covers new priceless organisms and pest profiles, and it features a new bankruptcy at the useful points and alertness of organic regulate. It additionally incorporates a new ultimate bankruptcy that places organic keep watch over in point of view, discussing interactions that ensue whilst utilizing biocontrol for inhabitants administration in addition to a number of the attainable mechanisms of biocontrol.

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Extra info for Biological Control in Plant Protection: A Colour Handbook, Second Edition

Example text

1). COMMON PEST SPECIES Slugs and Snails Land mollusks are not insects; they are traditionally divided into two categories. Slugs and snails are gastropods; many are in the order Pulmonata—so called because they breathe air directly with a lung. 2). Slugs of the family Testacellidae are large (6–12 cm long when extended) and have a small shell at the rear that covers the lung. They are carnivorous and feed on earthworms. 3). 1 A keeled slug (Tandonia ­budapestensis). All mollusks are most active in moist conditions; in periods of dry, windy weather, they seek shelter and become inactive.

But eventually the pests became resistant to these two products. Faced with uncontrollable pests, the growers resorted to broad-spectrum products. While they were aware of the value and importance of natural enemies, getting a satisfactory crop is of paramount importance. Unfortunately for growers, the pests may also develop cross resistance to many products, particularly in populations of the codling moth, Cydia pomonella. In parts of southern France the codling moth is now unaffected by many insecticides and resistance is a serious problem.

Since the period of egg laying and egg hatch may last for 3 or more weeks, it is often necessary to make three to four applications against the spring generation. Classical control of codling moth was attempted in New Zealand by introduction of parasitoids such as Ascogaster quadridentata and Liotryphon caudatus from overseas. Although these p ­ arasitoids established successfully on the high populations of codling moth in neglected apple orchards, they only made a minor contribution to control in commercial orchards.

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