Pests, Plagues & Politics. Lecture 15 Chemical Control Pre- & Post DDT. Xenophon. “ Crop protection is in the hands of the Gods. ”. Student of Socrates. Key Points: Chemical control. Important ancient pesticides Botanical insecticides
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Lecture 15 Chemical Control
Pre- & Post DDT
is in the hands of
Student of Socrates
In 1932, German chemist Willy Lange and his graduate student, Gerde von Krueger, first described the cholinergic nervous system effects of organophosphates, noting a choking sensation and a dimming of vision after exposure.