Cross-Resistance and Resistance Longevity as Induced by Bean Leaf Beetle, Cerotoma trifurcata and Soybean Looper, Pseudoplusia includens herbivory on Soybean

A field population of bean leaf beetle, Cerotoma trifurcata (Forster), adults on soybean, cv. Lee, in north Mississippi showed consistent frequencies of occurrence of polymorphic forms during the growing season. The greatest percentage of beetles were in the beige with spots category (62%), followed in order by beige without spots (27%), crimson with spots (8%), and crimson without spots (3%). Field-collected adults experimentally transmitted bean pod mottle virus from infected soybean plants, cv. Bragg, to healthy seedlings (1st trifoliolate) after a 24-h acquisition feeding on virus infected source plants with equal degrees of polymorph transmission efficiency (29 - 35%, n.s.).

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Induced Resistance to Bean Leaf Beetle (Coleoptera: Chrysomelidae) in Soybean

Journal of Entomological Science ◽

10.18474/0749-8004-36.4.438 ◽

2001 ◽

Vol 36 (4) ◽

pp. 438-444 ◽

Cited By ~ 2

Author(s):

P. Srinivas ◽

Stephen D. Danielson ◽

C. Michael Smith ◽

John E. Foster

Keyword(s):

Induced Resistance ◽

Crop Protection ◽

Leaf Beetle ◽

Feeding Preference ◽

Mechanical Injury ◽

Induced Response ◽

Bean Leaf Beetle ◽

Induce Resistance ◽

Soybean Looper ◽

Preference Tests

Induced resistance in soybean, Glycine max (L.) Merrill, to the bean leaf beetle, Cerotoma trifurcata (Forster), was investigated in greenhouse experiments using the treatments of mechanical injury, a chemical inducer (Actigard™, Novartis Crop Protection Inc., Greensboro, NC) and defoliation by the bean leaf beetle and the soybean looper, Pseudoplusia includens (Walker). Experiments were conducted on soybean PI 227687, two soybean cultivars (Colfax and Williams 82) and a soybean germplasm line (HC95-24MB). Dual-choice feeding-preference tests with bean leaf beetle adults were used to assess induced resistance. Adult beetles were collected from soybean fields 2 to 5 d prior to the feeding preference tests. Pairwise comparisons of leaflets from treated and untreated (control) plants indicated that soybean looper herbivory was a better inducer than other treatments. Herbivory by bean leaf beetle feeding and Actigard following artificial defoliation also were found to induce resistance to the bean leaf beetle. Mechanical injury alone elicited a significantly lower induced response in plants than the other induction treatments.

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Method Development for Monitoring Bean Leaf Beetle, Cerotoma trifurcata (Forster) (Coleoptera: Chrysomelidae), Susceptibility to Thiamethoxam Seed Treatments on Soybeans1

Journal of Agricultural and Urban Entomology ◽

10.3954/1523-5475-33.1.32 ◽

2017 ◽

Vol 33 (1) ◽

pp. 32-43 ◽

Cited By ~ 2

Author(s):

Chelsea L. Tietjen ◽

Thomas E. Hunt ◽

Daniel D. Snow ◽

David A. Cassada ◽

Blair D. Siegfried

Keyword(s):

Method Development ◽

Leaf Beetle ◽

Seed Treatments ◽

Cerotoma Trifurcata ◽

Bean Leaf Beetle

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Population structure, genetic variability, and gene flow of the bean leaf beetle, Cerotoma trifurcata, in the Midwestern United States

Journal of Insect Science ◽

10.1093/jis/14.1.62 ◽

2014 ◽

Vol 14 (1) ◽

Cited By ~ 4

Author(s):

Bamphitlhi Tiroesele ◽

Steven R. Skoda ◽

Thomas E. Hunt ◽

Donald J. Lee ◽

Jaime Molina-Ochoa ◽

...

Keyword(s):

United States ◽

Population Structure ◽

Gene Flow ◽

Genetic Variability ◽

Leaf Beetle ◽

Cerotoma Trifurcata ◽

Midwestern United States ◽

Bean Leaf Beetle

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