Lecture 19 - Cactoblas)s cactorum Lecture 19 Alterna.ve...

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Lecture’19’ Alterna.ve’Pest’Control’&’GMOs’ Cactoblas)s cactorum
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Announcements: Exam’3’next’week’Tuesday;’Review’Session’Next’Monday’ Environmental’Issues’Presenta.on’due’Nov’14 th A+er this class you should be able to explain: How biomagnifca-on causes problems at higher trophic levels What legisla-ve tools are in place to monitor and control pes-cides How pes-cide resistance evolves and means oF circumven-ng it What integra-ve pest management is, and various examples oF techniques that Fall under it, as well as its benefts What key similari-es and di±erences between gene-c modifca-on oF crops and livestock through ar-fcial selec-on and through transgenic tools are Key applica-ons oF transgenic organisms How to produce a transgenic bacterium
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Bioaccumula8on leads to Biomagnifca8on up trophic pyramids Explain’why’pes.cide’concentra.ons’increase’due’ to’ biomagnifca.on’at’higher’trophic’levels’
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•Recent’study’led’by’Mount’Sinai’School’of’Medicine’(NY)’ •Blood’and’urine’work’on’nine’volunteers •Found’167’chemicals’ ’ 76’cause’cancer’in’humans’or’animals’ ’ 94’are’toxic’to’the’brain’and’nervous’system’ ’ 79’cause’birth’defects’or’abnormal’development Human’Health’Concerns’ Acute’poisoning’during’ applica.on±’ Inadvertent’exposure’to’small’ quan. .es±’ Chronic’minute’exposure±’ Pes8cides are now a common “pollutant” in our environment
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Legisla8on To’protect’people’and’the’environment,’the’federal’government’has’passed’legisla.on’ instruc.ng’the’EPA,’FDA’(Food’and’Drug’Administra.on)’and/or’the’USDA’(US’Dept±’of’ Agriculture)’to’research’the’e²ects’of’pes.cides’on’human’health,’determine’safe’applica.on’ techniques,’and’monitor’their’accumula.on’in’the’environment’including’residue’on’food±’You’ should’be’familiar’with’these’acts±’ FIFRA ’(Federal’Insec.cide,’Fungicide,’and’Roden.cide’Act),’an’early’piece’of’legisla.on’passing’ in’1947’and’amended’in’1972,’requires’manufacturers’of’pes.cides’to’register’them’with’the’ EPA±’The’EPA’determines’their’safe’use’and’has’banned’some’pes.cides’such’as’DDT’because’ of’dangers’to’the’health’of’people’and’the’environment±’The’EPA’con.nues’to’monitor’ pes.cides’in’the’environment’for’long-term’e²ects’or’for’
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