Effects of Chemical Control on the Environment

Sánchez‐Bayo, Francisco

doi:10.1002/9781119255574.ch4

Environmental Pest Management 2017

DOI: 10.1002/9781119255574.ch4

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Effects of Chemical Control on the Environment

Francisco Sánchez‐Bayo¹

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2019

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Cited by 1 publication

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Interplanting Different Varieties of a Sweet Potato Crop to Reduce Damage by Oligophagous Insect Pests

Ichinose

Reddy

Shrestha

et al. 2019

Annals of the Entomological Society of America

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One complementary or alternative control measure to chemical insecticide is interplanting of plants that affect insect behavior. While few successes are known based on interplanting of different varieties of the same crop, such intra-crop interplanting may be effective against insects that feed on a limited range of plants and have persistent preference to one cultivar. Here, we report three field trials that examined the efficacy of intra-crop interplanting of sweet potato varieties, Ipomoea batatas (L.) Lamarck (Solanales: Convolvulaceae), on an oligophagous weevil, Euscepes postfasciatus (Fairmaire) (Coleoptera: Curculionidae), planting a preferred variety, Beni-masari, together with a less preferred one, Kyushu 166. In the first experiment, Beni-masari was planted as a border around Kyushu 166 and this arrangement decreased tuber damage in the main crop (Kyushu 166), although damage reduction was not statistically significant from monoculture plantings of Kyushu 166. In the second experiment, both varieties were planted in plots spaced 3 m apart to test the attractiveness of Beni-masari to weevils from Kyushu 166. No attractive effects of Beni-masari were observed. In the third experiment, the two varieties were planted in separate plots that were contiguous to each other, and in this experiment Beni-masari preferentially attracted weevils away from Kyushu 166 within 3 m distance, and tuber damage in Kyushu 166 within that zone was reduced owing to the attractiveness of Beni-masari. We discuss the potential of the intra-crop interplanting in pest management.

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Interplanting Different Varieties of a Sweet Potato Crop to Reduce Damage by Oligophagous Insect Pests

Ichinose

Reddy

Shrestha

et al. 2019

Annals of the Entomological Society of America

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Effects of Chemical Control on the Environment

Cited by 1 publication

References 132 publications

Interplanting Different Varieties of a Sweet Potato Crop to Reduce Damage by Oligophagous Insect Pests

Interplanting Different Varieties of a Sweet Potato Crop to Reduce Damage by Oligophagous Insect Pests

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