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Development and testing of an integrated pest management technique to control sweet potato weevil Improvement of sweet potato (Ipomoea batatas) in Asia; report

by Talekar, N.S; CIP, Lima (Perú); Workshop on Sweet Potato Improvement in Asia Trivandrum (India) 24-28 Oct 1988.
Publisher: Lima (Perú) 1989Description: p. 117-126.ISBN: 9290601345.Subject(s): CONTROL INTEGRADO DE PLAGAS | INSECTOS DANINOS | IPOMOEA BATATAS | CYLAS FORMICARIUS | RESISTENCIA A LAS PLAGAS | HOSPEDEROS | VUELO | COMPORTAMIENTO | ATRAYENTES SEXUALES | FEROMONAS | TRANSFERENCIA DE TECNOLOGIA | TAIWAN | INTEGRATED PEST CONTROL | PEST INSECTS | IPOMOEA BATATAS | CYLAS FORMICARIUS | PEST RESISTANCE | FLIGHT | BEHAVIOUR | SEX ATTRACTANTS | PHEROMONES | TECHNOLOGY TRANSFER | TAIWAN | LUTTE INTEGREE ANTIRAVAGEUR | INSECTE NUISIBLE | IPOMOEA BATATAS | CYLAS FORMICARIUS | RESISTANCE AUX ORGANISMES NUISIBLES | VOL | COMPORTEMENT | ATTRACTIF SEXUEL | PHEROMONE | TRANSFERT DE TECHNOLOGIE | TAIWANSummary: Screening of over 1200 sweet potato accessions for resistance to the sweet potato weevil, Cylas formicarius (F.), failed to find any usable level of resistance for breeding purposes. Environment seems to play a dominant role in determining many sweet potato characters including weevil and host-plant interaction, making the use of weevil-resistant cultivar to control this pest potentially difficult. An integrated pest management (IPM) was therefore developed at AVRDC, which emphasizes the use of crop rotation, control of alternate Ipomoea spp. host from borders and surrounding empty areas, frequent hilling up of plants, and use of a female sex pheromone to continuosly trap weevil males from planting to harvest. This IPM, which has been successfully tested on farmers' fields in Taiwan, is now being promoted elsewhere where the insect is a serious pest.
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Screening of over 1200 sweet potato accessions for resistance to the sweet potato weevil, Cylas formicarius (F.), failed to find any usable level of resistance for breeding purposes. Environment seems to play a dominant role in determining many sweet potato characters including weevil and host-plant interaction, making the use of weevil-resistant cultivar to control this pest potentially difficult. An integrated pest management (IPM) was therefore developed at AVRDC, which emphasizes the use of crop rotation, control of alternate Ipomoea spp. host from borders and surrounding empty areas, frequent hilling up of plants, and use of a female sex pheromone to continuosly trap weevil males from planting to harvest. This IPM, which has been successfully tested on farmers' fields in Taiwan, is now being promoted elsewhere where the insect is a serious pest.

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