scholarly journals Developing Insect Pest Management Systems for Hemp in the United States: A Work in Progress

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Whitney Cranshaw ◽  
Melissa Schreiner ◽  
Kadie Britt ◽  
Thomas P Kuhar ◽  
John McPartland ◽  
...  
Keyword(s):  
United States ◽  
Pest Management ◽  
Cannabis Sativa ◽  
Insect Pest ◽  
Management Strategies ◽  
The United States ◽  
Corn Earworm ◽  
Future Research ◽  
Pest Species ◽  
Flower Buds

Abstract Hemp (Cannabis sativa L.) is now being grown within the United States over a much broader geographic area and for different uses than during its last period of significant production that ended after World War II. Within the past 3 yr, a large number of arthropod species have been documented to feed on hemp in the United States. Among key pest species, corn earworm, Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae), has demonstrated greatest potential for crop injury, being particularly damaging to flower buds. Hemp russet mite, Aculops cannibicola (Farkas), and cannabis aphid, Phorodon cannabis Passerini, are the two species observed most damaging among those that suck plant fluids. Eurasian hemp borer, Grapholita delineana Walker, is widely present east of the Rocky Mountains and appears to have potential to significantly damage both flower buds and developing seeds. Numerous species of caterpillars, grasshoppers, and beetles chew hemp foliage; the severity of these defoliation injuries appears to be minimal, but needs further study. Similarly, numerous seed feeding hemipterans, most notably stink bugs and Lygus bugs, are regularly found in the crop but injury potential remains unclear. Some preliminary efforts have been made to develop integrated pest management strategies for these insects, particularly for corn earworm. Future research can be expected to rapidly resolve many of the data gaps that presently restrict advancing pest management on the crop. However, a major confounding issue involves the use of pesticides on hemp. Federal agencies have not yet provided clear direction on this issue, and regulatory decisions have subsequently devolved to the states.

scholarly journals Pest Management Needs and Limitations for Corn Earworm (Lepidoptera: Noctuidae), an Emergent Key Pest of Hemp in the United States

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Kadie E Britt ◽  
Thomas P Kuhar ◽  
Whitney Cranshaw ◽  
Christopher T McCullough ◽  
Sally V Taylor ◽  
...  
Keyword(s):  
United States ◽  
World War Ii ◽  
Pest Management ◽  
Helicoverpa Zea ◽  
Cannabis Sativa ◽  
Insect Pest ◽  
The United States ◽  
Corn Earworm ◽  
Minimal Risk ◽  
Lepidoptera Noctuidae

Abstract Corn earworm, Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae), has emerged as an injurious insect pest to hemp, Cannabis sativa L., a crop newly reintroduced to the United States. Growing hemp presents a potential alternative economic opportunity for farmers but can be challenging with a market that is unstable and just developing. One of the most notable production challenges is managing corn earworm, an insect pest that is particularly damaging when it feeds on flower buds produced in cannabinoid varieties, creating extensive bud tunneling and wounds that allow entry of pathogens that can aid development and presence of bud rot. Damage to seeds is of lesser concern in hemp cultivars grown for grain and minimal risk is associated with hemp grown for fiber. Our ability to research hemp has only recently been allowed as production was largely suspended following World War II and, as such, there has been limited opportunity to develop information for empirically-based pest management recommendations. Further complicating development of integrated pest management (IPM) strategies are regulatory challenges associated with providing registration support to add hemp to pesticide labels, as it was not formally recognized as a crop by U.S. regulatory agencies until late 2019. Research needs and challenges to develop effective IPM programs for corn earworm on hemp are discussed here.

scholarly journals Hydrogels: From Controlled Release to a New Bait Delivery for Insect Pest Management

2020 ◽  
Vol 113 (5) ◽  
pp. 2061-2068
Author(s):  
Jia-Wei Tay ◽  
Dong-Hwan Choe ◽  
Ashok Mulchandani ◽  
Michael K Rust
Keyword(s):  
Controlled Release ◽  
Pest Management ◽  
Insect Pests ◽  
Insect Pest ◽  
Management Strategies ◽  
Future Research ◽  
Insect Pest Management ◽  
Release Formulation ◽  
The Past ◽  
Minimal Environmental Impact

Abstract Here, we review the literature on the development and application of hydrogel compounds for insect pest management. Researchers have used hydrogel compounds for the past few decades to achieve the controlled release of various contact insecticides, but in recent years, hydrogel compounds have also been used to absorb and deliver targeted concentrations of toxicants within a liquid bait to manage insect pests. The highly absorbent hydrogel acts as a controlled-release formulation that keeps the liquid bait available and palatable to the target pests. This review discusses the use of various types of hydrogel compounds in pest management based on different environmental settings (e.g., agricultural, urban, and natural areas), pest systems (e.g., different taxa), and modes of insecticide delivery (e.g., spray vs bait). Due to their unique physicochemical properties, hydrogel compounds have great potential to be developed into new and efficacious pest management strategies with minimal environmental impact. We will also discuss the future research and development of hydrogels in this review.

scholarly journals The successful eradication of introduced roof rats (Rattus rattus) from Buck Island using diphacinone, followed by an irruption of house mice (Mus musculus)

2007 ◽  
Vol 34 (2) ◽  
pp. 108 ◽  
Author(s):  
Gary W. Witmer ◽  
Frank Boyd ◽  
Zandy Hillis-Starr
Keyword(s):  
United States ◽  
Mus Musculus ◽  
Management Strategies ◽  
Rattus Rattus ◽  
The United States ◽  
Sea Turtle ◽  
Pest Species ◽  
National Monument ◽  
Park Service ◽  
Bait Stations

The United States National Park Service and the United States Wildlife Services made a planned and sustained effort to eradicate the introduced roof rats (Rattus rattus) from Buck Island Reef National Monument in the Caribbean Sea during 1998–2000. The rats were causing substantial damage to a variety of the 80-ha island’s floral and faunal resources. An island-wide grid of elevated bait stations containing anticoagulant (0.005% diphacinone; 50 ppm) rodenticide bait blocks were used to eradicate the rats. The bait stations were modified several times to assure ready access by rats while minimising access by non-target animals, especially crabs and birds. Numerous post-project trapping sessions over six years resulted in no rat captures, suggesting that, indeed, the rats had been eradicated from the island. No non-target losses resulting from the baiting program were observed by field personnel, but they noted what appeared to be a recovery of some of the island’s floral and faunal resources. There have been no depredations of endangered sea turtle nests since the eradication. Post-project monitoring sessions revealed the presence of a growing house mouse (Mus musculus) population on the island. The threats posed by, and potential management strategies for, this introduced pest species are being investigated. This is the first successful rat eradication on a sizable island, using diphacinone bait blocks with a unique, elevated bait-station system. Diphacinone can provide an alternative to the highly toxic brodifacoum and may help reduce non-target hazards in some situations, although several applications are generally required.

Insect Pest Management in Postharvest Ecosystems in the United States of America

2009 ◽  
Vol 20 (6) ◽  
pp. 279-284 ◽  
Author(s):  
Frank H. Arthur ◽  
Judy A. Johnson ◽  
Lisa G. Neven ◽  
Guy J. Hallman ◽  
Peter A. Follett
Keyword(s):  
United States ◽  
Pest Management ◽  
United States Of America ◽  
Insect Pest ◽  
The United States ◽  
Insect Pest Management

scholarly journals Organic Apple Production in Two Humid Regions: Comparing Progress in Pest Management Strategies in Iowa and New Zealand

HortScience ◽  
2008 ◽  
Vol 43 (1) ◽  
pp. 12-21 ◽  
Author(s):  
Kathleen Delate ◽  
Andrea McKern ◽  
Robert Turnbull ◽  
James T.S. Walker ◽  
Richard Volz ◽  
...  
Keyword(s):  
United States ◽  
New Zealand ◽  
Pest Management ◽  
Management Strategies ◽  
Codling Moth ◽  
The United States ◽  
Organic Production ◽  
Population Increase ◽  
Resistant Cultivars ◽  
Integrated Fruit Production

By 2003, organic apple [Malus sylvestris (L.) Mill var. domestica (Borkh.) Mansf.] production had increased to 5626 ha in the United States and to 2964 ha in New Zealand by 2002. Common problems facing organic apple growers in the humid regions of New Zealand and the United States include effective management strategies for apple scab [Venturia inaequalis (Cooke)] and insect pests. Experiments conducted in Iowa in 2003–2004 demonstrated the effectiveness of a kaolin clay- and spinosad-based insecticide program in maintaining codling moth [Cydia pomonella (L.)] damage levels to less than 5% in the scab-resistant cultivars Enterprise, Liberty, Redfree, and Gold Rush. Similar pest management systems have been developed in New Zealand to comply with export standards and quarantines. The use of codling moth granulosis virus and a spinosad-based insecticide have led to reduced pest pressure and to an increase in organic exports with a 41% premium price over conventional apples. However, an association between spinosad use and woolly apple aphid [Eriosoma lanigerum (Hausmann)] population increase was observed in organic orchard surveys in 2006. An alternative to spinosad applications, insect disinfestation through controlled atmosphere (CA) treatment, was investigated to control quarantined pests and to extend the storage potential of scab-resistant cultivars. A CA treatment of 9 weeks of 2% O2 and 2% CO2 at 0.5 °C was determined to maintain firmness ratings to export standards in CA-stored, scab-resistant ‘Pinkie’ apples and to decrease internal ethylene concentration by 84% compared with apples stored in air. In addition, new scab-resistant cultivars with ‘Pinkie’ background under development in New Zealand show promise for organic production in humid regions. Few fruit quality differences were determined between ‘Pinkie’ fruits from integrated fruit production and organic production systems, although premium prices exist only for certified organic apples.

ANCA-Associated Vasculitis Management in the United States: Data from the Rheumatology Informatics System for Effectiveness (RISE) Registry

2021 ◽  
pp. jrheum.201330
Author(s):  
Zachary S. Wallace ◽  
Huifeng Yun ◽  
Jeffrey R. Curtis ◽  
Lang Chen ◽  
John H. Stone ◽  
...  
Keyword(s):  
United States ◽  
Management Strategies ◽  
Research Priorities ◽  
The United States ◽  
Future Research ◽  
Treatment Preferences ◽  
Informatics System ◽  
Anca Associated Vasculitis ◽  
Laboratory Test Results

Objective ANCA-associated vasculitis (AAV) management has evolved substantially over the last two decades. We sought to characterize AAV treatment patterns in the United States. Methods We identified AAV patients in the Rheumatology Informatics System for Effectiveness (RISE) registry who had at least two rheumatology clinician visits between January 1st, 2015 and December 31st, 2017. Demographics, medications, laboratory test results, and billing codes were extracted from the medical record. Demographic and prescription trends were assessed overall and across US regions. Results We identified 1,462 AAV patients, 259 (18%) with new or relapsing AAV. The majority were classified as having granulomatosis with polyangiitis (GPA, 75%). The mean age was 59.8 years and 59% were female. The majority of patients were in the South (45%) followed by the Mid-West (32%), West (12%), and Northeast (8%). Patients had a median of 3 visits and follow-up of 579 days. The most commonly prescribed medications during the study period were glucocorticoids (86%) followed by rituximab (45%), methotrexate (33%), azathioprine (32%) and mycophenolate mofetil (18%); cyclophosphamide was rarely used (97, 7%). At the most recent visits in RISE, 47% of patients were on glucocorticoids. Prescription trends were similar across regions. Conclusion This is the first study to evaluate the demographics and management of AAV by rheumatologists outside of major referral centers. Management strategies vary widely but cyclophosphamide is rarely used. These observations can be used to inform future research priorities. Additional studies are needed to characterize AAV severity in RISE and patient and provider treatment preferences.

An alternative way to evaluate the environmental effects of integrated pest management: Pesticide risk indicators

2007 ◽  
Vol 22 (3) ◽  
pp. 213-222 ◽  
Author(s):  
Thomas J. Greitens ◽  
Esther Day
Keyword(s):  
United States ◽  
Integrated Pest Management ◽  
Pest Management ◽  
Environmental Effects ◽  
Potential Risk ◽  
Plant Protection ◽  
The United States ◽  
Risk Indicators ◽  
Risk Scores ◽  
Future Research

AbstractThis study examines whether pesticide risk indicators can be used to evaluate the environmental effects of pesticide applications within integrated pest management (IPM) projects. Pesticide risk indicators, commonly used in European countries, are mathematical equations that consider data inputs such as application rates, toxicity levels of a pesticide's active ingredient, meteorological data, the soil characteristics of farm fields, and other information to generate potential risk scores for pesticide applications. These potential risk scores represent the best estimate of a pesticide's impact on the surrounding environment. This project analyzed eight pesticide risk indicators, developed throughout Europe and the United States, with two years of pesticide application data from four farms using IPM. This two-year study allowed for a determination of the validity and reliability of pesticide risk indicators. The findings reveal that only three pesticide risk indicators performed consistently and gave valid results. These indicators are: the synoptic evaluation model for plant protection agents (SYNOPS) indicator from Germany, the multi-attribute toxicity factor from the United States, and the environmental impact quotient from the United States. As a result, the authors recommend these three indicators for future research and for IPM evaluative efforts that emphasize the environmental effects of pesticides.

scholarly journals Biology and Management of the Carrot Weevil (Coleoptera: Curculionidae) in North America

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Emily J Justus ◽  
Elizabeth Y Long
Keyword(s):  
United States ◽  
North America ◽  
Behavioral Ecology ◽  
Management Strategies ◽  
The United States ◽  
Apium Graveolens ◽  
Future Research ◽  
Petroselinum Crispum ◽  
Knowledge Gaps ◽  
Carrot Weevil

Abstract The carrot weevil, Listronotus oregonensis (LeConte) (Coleoptera: Curculionidae), is a devastating pest of high value Apiaceous crops like carrots (Daucus carota subsp. sativusHoffm.), parsley (Petroselinum crispum (Mill.) Fuss), and celery (Apium graveolens L.). Although native to North America, it is a serious pest across the Eastern United States and Great Lakes region of the United States and Canada. Females deposit eggs in the petiole of cultivated hosts, and upon hatching, larvae tunnel down through the petiole and into plant roots causing wilting, yellowing, and plant death. Scouting procedures focus mainly on adult activity and require detection of small egg scars on the foliage and crown of the root, or reliance on traps that are only effective at the beginning of the season before the crop emerges. Several avenues of cultural, biological, and chemical control have been explored for this pest, but with limited success. Furthermore, investigation of these management strategies have primarily focused on carrot systems, neglecting other cultivated Apiaceae. Here we present a review of carrot weevil research and highlight key knowledge gaps in the carrot weevil system, which impede our understanding of this insect’s biology and behavioral ecology. Future research addressing these key knowledge gaps will expand our understanding of this pest and contribute to the development and implementation of more effective management strategies.

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