Table 2 shows that the LC50 and LC90 values of Entrust for laboratory-reared male corn earworm which emerged overnight were 0.83 (0.72 - 1.02) and 2.27 (1.66 - 3.90) mg∙L−1, respectively. About 250 cups were prepared each time and were stored in a 1/6- 57# paper bag in the laboratory. This suggests that quick acting Entrust would be preferable over spinosad in field trials during development of a behavioral-based pest management strategy for heliothine insects. It worked. Even though our results show encouraging trends in the control of heliothine species, additional studies are needed to ascertain the efficacy of attract-and-kill technology in field plots. REI 24 hr. Table 2. esfenvalerate (Asana XL) at 0.03 to 0.05 lb ai/a. We are showing the maps as catch per day, and not per week, because we need to report data from more than one state. Thompson, G.D., Dutton, R. and Sparks, T.C. Table 1. We conducted two tests relative to the determination of mean lethal time. This is best done by applying insecticides when the moths are flying, which is within a day or so of when they are laying eggs. Pest Management Science, 67, 220- 225. Since much of the CEW population builds as populations move from the south, it makes sense to look at the densities from a regional viewpoint. Probit statistics relative to toxicity of Entrust 80 W mixed with 10% sucrose solution fed to laboratory-reared male corn earworm, H. zea which emerged overnight. L.I., Latrou, K. and Gill, S.S., Eds., Comprehensive Molecular Insect Science, Elsevier, Oxford, 137- 173. OMRI-listed for organic use. Fresh-market corn has very little tolerance of earworms. Jørgensen, K., Kavello, P., Almaas, T. J. and Mustaparta, H. (2006) Two closely located areas in the suboesophageal ganglion and the tritocerebrum receive projections of the gustatory receptor neurons located on the antennae and the proboscis in the moth Heliothis virescens. Do not harvest for feed or graze livestock for 21 days. Crouse, G.D. and Sparks, T.C. Growers using Attribute® II hybrids would likely not need A total of 156 moths were fed Entrust in groups of 6 and were compared to control moths fed 10% sucrose solution alone. Author: The eyes have a distinctive serpentine green reflection when held up to sunlight in live specimens. There is a safer way. For instance, in order to meet the domestic needs of this industry, the value of organic soybean imports from China and India to the United States doubled last year and is expected to surpass $100 million in value in 2013 [29]. Earworm becomes a problem in processing sweet corn when the larvae penetrate deeply into the ear. Enter your email address to subscribe to this blog and receive notifications of new posts by email. In accordance of the Creative Commons Attribution License all Copyrights © 2014 are reserved for SCIRP and the owner of the intellectual property Juan D. López Jr. et al. (2007) Bioassays with arthropods. Relative Disease Susceptibility and Sensitivity to Sulfur, Diagnosis and Control of Phytophthora Diseases, APHIS List of Regulated Hosts and Plants Proven or Associated with Phytophthora ramorum, Plants Resistant or Susceptible to Armillaria Root Rot, Verticillium Wilt in the Pacific Northwest, Plants Resistant or Susceptible to Verticillium Wilt, Plants Susceptible to Sclerotinia sclerotiorum, Potential Impact of Cyanobacteria on Crop Plants, Management of the Cyanobacterium Nostoc in Horticultural Nurseries, Impatiens Necrotic Spot: New Name, Same Threat, Virus Certification Program for Fruit and Ornamental Trees, Care and Maintenance of Wood Shingle and Shake Roofs, Winter Injury of Landscape Plants in the Pacific Northwest, Recognizing Sapsucker Damage on your Trees, Key to Nutrient Deficiencies in Vegetable Crops, Key to Nutrient Deficiencies of Deciduous Fruit and Nuts, Use of Disinfestants to Control Plant Pathogens, Current Status of Biological Weed Control Agents in Idaho, Oregon, and Washington, Biological Control Agents and Their Roles, Restricted-use Herbicides in Idaho, Oregon, and Washington, Testing for and Deactivating Herbicide Residues, Herbicide Effectiveness on Weeds in Grass Seed Crops, Dry Bean East of the Cascades - Phaseolus spp.

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