Evaluation of trap cropping and biological control against southern corn rootworm (Coleopetera

Chrysomelidae) in peanuts

Mary Ellen Barbercheck, W. C. Warrick

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Field trials to test the efficacy of trap cropping and biological control for the management of Diabrotica undecimpunctata howardi Barber (Chrysomelidae: Luperini) in peanuts were conducted in 1992, 1993, and 1994. Cucurbita maxima Duchesne cv. 'Blue Hubbard' was used as a trap crop for adult beetles and the entomopathogenic nematodes, Steinernema carpocapse Weiser and Steinernema riobravis Cabanillas, Poinar and Raulston, were used as biological control agents against soil-inhabiting larvae. In 1992, peanut yields were highest in treatments that included a trap crop. Trap crop did not affect yield in 1993 or 1994. In 2 out of the 3 years, distribution of pod damage relative to the trap crop suggested that beetles oviposited more frequently in peanuts growing in the row next to the trap crop than in peanuts 3 rows from the trap crop. Although entomopathogenic nematodes persisted for a sufficient period to overlap with the presence of rootworms, they did not affect yield or pod damage in peanuts.

Original languageEnglish (US)
Pages (from-to)229-243
Number of pages15
JournalJournal of Entomological Science
Volume32
Issue number2
DOIs
StatePublished - Jan 1 1997

Fingerprint

trap crop
Diabrotica undecimpunctata howardi
trap crops
Chrysomelidae
biological control
peanuts
cropping practice
traps
maize
entomopathogenic nematodes
nematode
pods
beetle
Steinernema riobravis
Coleoptera
rootworms
Steinernema
Cucurbita maxima
damage
biological control agents

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Agronomy and Crop Science
  • Insect Science

Cite this

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abstract = "Field trials to test the efficacy of trap cropping and biological control for the management of Diabrotica undecimpunctata howardi Barber (Chrysomelidae: Luperini) in peanuts were conducted in 1992, 1993, and 1994. Cucurbita maxima Duchesne cv. 'Blue Hubbard' was used as a trap crop for adult beetles and the entomopathogenic nematodes, Steinernema carpocapse Weiser and Steinernema riobravis Cabanillas, Poinar and Raulston, were used as biological control agents against soil-inhabiting larvae. In 1992, peanut yields were highest in treatments that included a trap crop. Trap crop did not affect yield in 1993 or 1994. In 2 out of the 3 years, distribution of pod damage relative to the trap crop suggested that beetles oviposited more frequently in peanuts growing in the row next to the trap crop than in peanuts 3 rows from the trap crop. Although entomopathogenic nematodes persisted for a sufficient period to overlap with the presence of rootworms, they did not affect yield or pod damage in peanuts.",
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