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Molecular Aspects of Insect-Plant Associations (Paperback, Softcover reprint of the original 1st ed. 1986)
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Molecular Aspects of Insect-Plant Associations (Paperback, Softcover reprint of the original 1st ed. 1986)
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Thanks to the meticulous and enthusiastic work of insect collectors
and taxonomists over the past hundred years and more, we have today
a large amount of information on the feeding habits and life styles
of sev eral hundred thousands of insect species. Insects that feed
on plants during at least one of their life stages constitute about
half of the three-quarters of a million described species. Their
numbers both in terms of species and individuals together with
their small but macroscopic sizes makes the insect-plant biological
interface perhaps the most conspicuous, diverse and largest
assemblage of intimate interspecies interactions in existence. It
is also perhaps the most important biological interface be cause of
the plants' role as primary producers upon which all other forms of
earthly life depend, thereby bringing herbivorous insects
occasionally into direct competition with human food and fiber
production. Early enthusiasm revealed many remarkable
specializations and associ ations between insects and plants, and
occasionally assigned chemical me diators for them. However, the
modern practices of large scale crop pro tection by synthetic
pesticides and their attendant problems, particularly with
resistance in "pests" and destruction of natural enemies, have been
in large measure responsible for drawing our attention to the
mechanisms whereby plants control insect populations and insects
adapt to the plants' defenses. These practices have also brought
home the importance of chemical mediators in practically all
aspects of insect activities and, in parti cular, the importance of
plant allelochemicals in maintaining and balan cing insect-plant
associations."
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