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Thrips Biology and Management (Hardcover, 1995 ed.)
Loot Price: R5,973
Discovery Miles 59 730
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Thrips Biology and Management (Hardcover, 1995 ed.)
Series: NATO Science Series A:, 276
Expected to ship within 10 - 15 working days
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Thrips (fhysanoptera) are very small insects, widespread throughout
the world with a preponderance of tropical species, many temperate
ones, and even a few living in arctic regions. Of the approximately
5,000 species so far identified, only a few hundred are crop pests,
causing serious damage or transmitting diseases to growing crops
and harvestable produce in most countries. Their fringed wings
confer a natural ability to disperse widely, blown by the wind.
Their minute size and cryptic behavior make them difficult to
detect either in the field or in fresh vegetation transported
during international trade of vegetables, fruit and ornamental
flowers. Many species have now spread from their original natural
habitats and hosts to favorable new environments where they often
reproduce rapidly to develop intense damaging infestations that are
costly to control. Over the past decade there have been several
spectacular examples of this. The western flower thrips has
expanded its range from the North American continent to Europe,
Australia and South Africa. Thrips palmi has spread from its
presumed origin, the island of Sumatra, to the coast of Florida,
and threatens to extend its distribution throughout North and South
America. Pear thrips, a known orchard pest of Europe and the
western United States and Canada has recently become a major
defoliator of hardwood trees in Vermont and the neighboring states.
Local outbreaks of other species are also becoming problems in
field and glasshouse crops as the effectiveness of insecticides
against them decline.
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