The growth and development of insects is regulated through the secretion of internal ductless glands, i.e., hormones. Basically, three types of hormones are involved in insect development. The brain hormone or prothoracicotropic hormone, secreted by the neurosecretory cells of the brain, activates the prothoracic glands to secrete another hormone called moulting hormone (MH) or ecdysone. […]
Exploitation of Hormones to Control Pest Growth | Agriculture
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Biorational Approaches of Pest Control | Agriculture
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In view of the adverse effects of synthetic organic pesticides on non-target organisms and the environment, efforts have been made during the last three decades to develop safer and more selective pesticides. Accordingly, many conventional pesticides have been replaced by low-risk or ‘biorational pesticides’ which have been defined as those chemicals that affect the growth, […]
Strategies for Exploitation of Pheromones | Pest Management
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The discovery, isolation and chemical identification of sex pheromone (bombycol) of the silk worm, Bombyx mori (Linnaeus) in 1959, provided impetus for the exploitation of pheromones in pest management. Upto 1970s, pheromones and pheromone mimics for more than 200 insects were known and by the end of 1980s the number rose to over 2000. Some […]