EurekaMag
+ Translate
+ Most Popular
Cunninghamia lanceolata plantations in China
Mammalian lairs in paleo ecological studies and palynology
Studies on technological possibilities in utilization of anhydrous milk fat for production of recombined butter-like products
Should right-sided fibroelastomas be operated upon?
Large esophageal lipoma
Apoptosis in the mammalian thymus during normal histogenesis and under various in vitro and in vivo experimental conditions
Poissons characoides nouveaux ou non signales de l'Ilha do Bananal, Bresil
Desensitizing efficacy of Colgate Sensitive Maximum Strength and Fresh Mint Sensodyne dentifrices
Administration of fluid by subcutaneous infusion: revival of a forgotten method
Tundra mosquito control - an impossible dream?
Schizophrenia for primary care providers: how to contribute to the care of a vulnerable patient population
Geochemical pattern analysis; method of describing the Southeastern limestone regional aquifer system
Incidence of low birth weights in a hospital of Mexico City
Tabanidae
Graded management intensity of grassland systems for enhancing floristic diversity
Microbiology and biochemistry of cheese and fermented milk
The ember tetra: a new pygmy characid tetra from the Rio das Mortes, Brazil, Hyphessobrycon amandae sp. n. (Pisces, Characoidei)
Risk factors of contrast-induced nephropathy in patients after coronary artery intervention
Renovation of onsite domestic wastewater in a poorly drained soil
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Systolic blood pressure in a population of infants in the first year of life: the Brompton study
Haematological studies in rats fed with metanil yellow
Studies on pasteurellosis. I. A new species of Pasteurella encountered in chronic fowl cholera
Dormancy breaking and germination of Acacia salicina Lindl. seeds
therapy of lupus nephritis. a two-year prospective study

The corn earworm in southwestern idaho usa infestation levels and damage to processing corn and sweet corn seed


The corn earworm in southwestern idaho usa infestation levels and damage to processing corn and sweet corn seed



Journal of Economic Entomology 70(6): 709-713



ISSN/ISBN: 0022-0493

Corn earworm [Heliothis zea] damage to processing corn and sweet corn seed in Idaho [USA] was determined in 2 cultivars, 'Barbecue' and 'Elite', that were silking from early July through mid-Aug. Penetration of the ear from the tip by 1, 2, 3 and 4 larvae/ear was determined for processing corn and cm2 of corn destroyed per ear for seed corn. Growing degree days (GDD), base 10-30.degree. C (50.degree.-86.degree. F) were accumulated from Jan. 1 to silking. No significant differences were present between cultivars. Mean penetration for 1, 2, 3 or 4 larvae/ear was 4.0, 6.5, 7.3 and 7.6 cm, respectively. Penetration by one larva/ear decreased from 4.0 cm for corn silking at 682 GDD to 2.5 cm for corn silking at 960 GDD, and then increased sharply to 5.5 cm for corn silking at 1050 GDD and remained high until late in the season. Damage to seed corn increased from 10 cm2/ear for corn silking early to a peak of 60 cm2/ear for corn silking at 1005 GDD, then gradually declined to .apprx. 35 cm2/ear for late silking corn. This represented a loss of 40-250 kg/10,000 ears. The regression of damage to population was calculated for both processing and seed corn.

Please choose payment method:






(PDF emailed within 1 workday: $29.90)

Accession: 006621174

Download citation: RISBibTeXText

Related references

The Corn Earworm in Southwestern Idaho: Infestation Levels and Damage to Processing Corn and Sweet Corn Seed. Journal of Economic Entomology 70(6): 709-713, 1977

Corn sweet zea mays excellency european corn borer ecb ostrinia nubilalis huebner corn earworm cew helicoverpa zea boddie use of labeled and unlabeled insecticides for control of european corn borer and corn earworm on sweet corn in wisconsin usa 1990. Insecticide and Acaricide Tests : 80-81, 1991

Sweet corn zea mays l florida stay sweet corn earworm cew helicoverpa zea boddie control of corn earworm on sweet corn 1990. Insecticide and Acaricide Tests: 83, 1991

Sweet corn zea mays l golden jubilee corn earworm cew helicoverpa zea boddie control of corn earworm on sweet corn 1990. Insecticide and Acaricide Tests : 77, 1991

Relationship of corn earworm (Lepidoptera: Noctuidae) pheromone catch and silking to infestation levels in Oregon sweet corn. Journal of Economic Entomology 85(1): 240-245, 1992

Sweet corn zea mays var saccharata cultivar illini extra sweet european corn borer ostrinia nubilalis huebner corn earworm helicoverpa zea boddie insect control on sweet corn 1990. Insecticide and Acaricide Tests : 73, 1991

Alternatives to Pyrethroids for Managing Corn Earworm in Sweet Corn, Seed Corn, Tomatoes and Peppers. Plant health progress, 2007

Corn sweet zea mays l gold cup european corn borer ecb ostrinia nubilalis huebner corn earworm cew helicoverpa zea boddie fall armyworm faw spodoptera frugiperda j a smith sweet corn insect control in illinois usa 1990. Insecticide and Acaricide Tests : 77-78, 1991

Corn sweet zea mays l green giant code 40 european corn borer ecb ostrinia nubilalis huebner corn earworm cew helicoverpa zea boddie microbial and insecticidal control of late season insect pests of minnesota usa sweet corn 1990. Insecticide and Acaricide Tests : 75-76, 1991

2 models for development of the corn earworm on sweet corn in idaho usa. Environmental Entomology: 68-72, 1976

Corn earworm artificial infestation as a means of evaluating resistance in sweet corn. Journal of Economic Entomology 70(5): 565-567, 1977

Corn earworm (Lepidoptera: Noctuidae) in Idaho: corn kernel compensation for larval damage. Journal of Economic Entomology 76(6): 1374-1376, 1983

Corn sweet zea mays l silver queen corn earworm cew helicoverpa zea boddie control of sweet corn 1990. Insecticide and Acaricide Tests: 82, 1991

Corn sweet zea mays l jubilee corn earworm heliothis zea boddie fall armyworm spodoptera frugiperda j e smith european corn borer ostrinia nubilalis huebner control of the corn lepidoptera by liquid insecticides 1990. Insecticide and Acaricide Tests : 78, 1991

Corn sweet zea mays var rugosa nk 199 corn earworm helicoverpa zea boddie european corn borer ostrinia nubilalis huebner dusky sap beetle carpophilus lugubris murray fall armyworm spodoptera frugiperda j e smith foliar sprays to control corn earworms dusky sap beetle fall armyworm and european corn borers in sweet corn 1990. Insecticide and Acaricide Tests : 76, 1991