Pesticide Pollution

S.K. Agarwal

Verlag: APH Publishing Corporation, 2009
ISBN 10: 8131304833 / ISBN 13: 9788131304839
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Chemical Pesticides when used judiciously provided a valuable tool in pest management. However use of sublethal doses rendered pest tolerant to pesticides, and improper pesticide resulted in the outbreak of minor pest as major ones. There are various methods by which pest Population can be reduced. These include physical, cultural, chemical, Biological and integrated pest control. Pesticides are chemical compounds or mixture of chemicals, specifically designed and manufactured to prevent, destroy, repell, attract, sterilise, stupify or mitigate any undesired life declared to be the pest. Pesticides may be classified as insecticides, herbicides, rodenticides, fumigants, fungicides, mulluscicides, ascaricides and nematocides. Their toxicity varies from low to high. Neem has been recognesed as a Natural pesticide, as long back as "the village pharmacy" in India and Africa. Neem pesticide seems remarkably safer to predatory spiders, wasps, ladybugs, and honeybees. Neems natural pesticides are more or less completely non-toxic to mammals. Neem has more than two dozen pesticidal compounds, out of which-Azadirachtin, Salenin, Metiantrol Nimbin and Ninbolin are of significance to establish it as a vital natural pesticide. Bacillus thuringiensis is a Soil Bacteria which possess natural insecticidal proteins. The primary insecticidal activity of B. thurengiensis resides in a parasporal glycoprotein crystal that is synthesized within the organism during its speculation cycle. B. thurengiensis subspecies kurstaki, berliner, alesti and tolworthi all produce Crystals that are similar structurally, biochemically, immunologically and functionally. Mode of action of insecticide occur in different ways. Some of them are Physical poisons, some are protoplasmic poisons, a few are respiratory poisons, but most of them are Nerve poisons. The insecticides upset the normal behaviour and action of the target organisms. Many herbicide attack chloroplast and stop photosynthesis. They inhibit photosynthetic Electron Transport and influence and/or breakdown of the accompanying pigments. Our dependence of pesticides have increased upto the extent that if modem Agriculture will attempt to operate without them, Crop production will decline, food prices will soar far Higher and food shortage will become even more severe. However, pesticides have created two major serious problems: Firstly, many of them have persisted and accumulated in the Environment and contaminated the non-target Organisms and, secondly, many of them have directly or indirectly affected human health. Thus, the use of pesticides have a Poor reputation, and that is why, they have been reckoned as "double edged swords" of "ecological narcotics" much because of their negative potentials. Biological pest control involves eradication or suppression of pests by encouragement, artificial introduction, or increase of natural Enemies such as parasites, predators, and Disease causing organisms. It is not only harmless, more effective, self perpetuating, ecologically sound, economical and free from Environmental pollution, toxic Health hazards and other undesirable side effects. Micro-organisms degrade pesticides residues to less toxic compounds. Pesticide degradation by Enzymes is further attractive. Immobilised enzymes are best for pesticide degradation because the transport of pesticides into microbial cell is difficult and enzymes can be lost in one attempt. Pesticides degradation character have been located on plasmids, which provide clues for Genetic manipulation for development of new microbial strains capable of efficiently degrading pesticides. Integrated pest management is a dynamic concept which utilizes all suitable techniques in a compatible manner, to maintain pest population at levels below those causing economic injury. It involves use of insect Printed Pages: 342. Buchnummer des Verkäufers 36339

Bibliografische Details

Titel: Pesticide Pollution
Verlag: APH Publishing Corporation
Erscheinungsdatum: 2009
Einband: Hardcover
Zustand: New

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Kenneth Mellanby
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Buchbeschreibung Fontana-Collins, 1970. Softcover. Buchzustand: Good. 1970. 219 pages. Good condition paperback; as expected for age. Cards, pages, and binding are presentable with no major defects. Minor issues may exist such as shelf wear, inscriptions, light foxing and tanning. book. Artikel-Nr. 1462363725CMK

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Buchbeschreibung Fontana, 1972. Softcover. Buchzustand: Good. 1972. 219 pages. Good condition paperback; as expected for age. Cards, pages, and binding are presentable with no major defects. Minor issues may exist such as shelf wear, inscriptions, foxing and tanning. book. Artikel-Nr. 1472240039NLA

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Buchbeschreibung Plenum Press, London, New York, 1973. pp 542. Opppbd, mkit OU. Sehr gut. Artikel-Nr. 8539

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Lee, Robert E. und J. W. Robinson:
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Buchbeschreibung CRC Press, Boca Raton - Florida, 1979. Buchzustand: Akzeptabel. 2. Aufl.. 264 S., 4° Etwas lichtrandig. Bibliotheksexemplar mit Signatur und Stempel in ordentlichem Zustand. Sprache: Deutsch Gewicht in Gramm: 550 Kunstledereinband ohne Schutzumschlag. Artikel-Nr. 51858

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Edward, C.A.
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Buchbeschreibung Plenum press 1983, 1983. Format groß 8°, LEINEN, 542 Seiten, ein regulär ausgesondertes Bibliotheksexemplar aus einer wissenschaftlichen Bibliothek, keine Markierungen / Anmerkungen, das Buch befindet sich in einem sehr guten Zustand --- CLOTH BINDING, Lib.Ex., no marks, 542 pages, very good condition. Bezahlung mit PAYDIREKT möglich. Artikel-Nr. 16858

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