Seasonal abundance, population growth, and within-plant distribution of sweetpotato weevil (Coleoptera: Curculionidae) on sweet potato in southern Florida

Abundance and population growth rates of the sweetpotato weevil, Cylas formicarius elegantulus (Summers), were compared on different cultivars of sweet potato, Ipomoea batatas (L.) Lam. (cvs. Campeon, Centennial, Picadito, and Regal) in southern Florida. The within-vine and within-root distributions...

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Veröffentlicht in:Environmental entomology 1990-04, Vol.19 (2), p.313-321
Hauptverfasser: Jansson, R.K. (University of Florida, Homestead, FL), Hunsberger, A.G.B, Lecrone, S.H, O'Hair, S.K
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container_issue 2
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container_title Environmental entomology
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creator Jansson, R.K. (University of Florida, Homestead, FL)
Hunsberger, A.G.B
Lecrone, S.H
O'Hair, S.K
description Abundance and population growth rates of the sweetpotato weevil, Cylas formicarius elegantulus (Summers), were compared on different cultivars of sweet potato, Ipomoea batatas (L.) Lam. (cvs. Campeon, Centennial, Picadito, and Regal) in southern Florida. The within-vine and within-root distributions of the weevil on plants also were determined. Studies were conducted during the cool, dry, winter and the warm, wet, summer growing seasons. Weevils were more abundant and populations increased more rapidly during the summer than during the winter season. Overall, populations increased most rapidly on "Centennial" and least rapidly on "Campeon". The weevil displayed a characteristic within-plant distribution that differed among cultivars.
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source Oxford University Press Journals Digital Archive Legacy
subjects Animal and plant ecology
Animal, plant and microbial ecology
Animals
Biological and medical sciences
Coleoptera
Curculionidae
CYLAS
CYLAS FORMICARIUS
Demecology
DESARROLLO ESTACIONAL
DEVELOPPEMENT SAISONNIER
DINAMICA DE LA POBLACION
DYNAMIQUE DES POPULATIONS
FLORIDA
FLORIDE
Fundamental and applied biological sciences. Psychology
IPOMOEA BATATAS
POPULATION DYNAMICS
Protozoa. Invertebrata
SEASONAL DEVELOPMENT
title Seasonal abundance, population growth, and within-plant distribution of sweetpotato weevil (Coleoptera: Curculionidae) on sweet potato in southern Florida
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