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Danica Baines
Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB T1J 4B1, Canada

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Journal article
Published: 09 June 2020 in Insects
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Developing a bee-friendly alternative to traditional insecticides used within commercial environments can contribute to reductions in pesticide exposure experienced by managed bees. We performed acute contact toxicity studies using fifteen plant powders from seven plant families against a parasitoid pest, Pteromalus venustus, and its host, the Alfalfa leafcutting bee (ALB). Ajwain, cinnamon, clove, cumin, fennel, ginger, nutmeg, oregano and turmeric applied at low contact concentrations had sufficient fumigant properties to cause equivalent or higher parasitoid mortality as that obtained with the traditional insecticide. Nutmeg adversely affected adult ALBs at both low and high contact concentrations, thus eliminating it as a candidate. Increasing the contact concentrations did not consistently increase parasitoid control but did increase adverse effects on the ALBs. In addition, the efficacious plant powders significantly reduced the sexual function and fertility of the female parasitoids, a feature not associated with the traditional insecticide. The dual nature of the mechanisms underlying the effects of the plant powders may translate into effective control of the parasitoid populations in the commercial environment. The results reported here support further evaluations of Ajwain, cinnamon, clove, cumin, fennel, ginger, oregano and turmeric as potential botanical insecticides for control of P. venustus.

ACS Style

Mikhaela Ong; Nora Chomistek; Hanna Dayment; Wayne Goerzen; Danica Baines. Insecticidal Activity of Plant Powders against the Parasitoid, Pteromalus venustus, and Its Host, the Alfalfa Leafcutting Bee. Insects 2020, 11, 359 .

AMA Style

Mikhaela Ong, Nora Chomistek, Hanna Dayment, Wayne Goerzen, Danica Baines. Insecticidal Activity of Plant Powders against the Parasitoid, Pteromalus venustus, and Its Host, the Alfalfa Leafcutting Bee. Insects. 2020; 11 (6):359.

Chicago/Turabian Style

Mikhaela Ong; Nora Chomistek; Hanna Dayment; Wayne Goerzen; Danica Baines. 2020. "Insecticidal Activity of Plant Powders against the Parasitoid, Pteromalus venustus, and Its Host, the Alfalfa Leafcutting Bee." Insects 11, no. 6: 359.

Review
Published: 31 October 2019 in Toxins
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Trichothecenes are sesquiterpenoid mycotoxins produced by fungi from the order Hypocreales, including members of the Fusarium genus that infect cereal grain crops. Different trichothecene-producing Fusarium species and strains have different trichothecene chemotypes belonging to the Type A and B class. These fungi cause a disease of small grain cereals, called Fusarium head blight, and their toxins contaminate host tissues. As potent inhibitors of eukaryotic protein synthesis, trichothecenes pose a health risk to human and animal consumers of infected cereal grains. In 2009, Foroud and Eudes published a review of trichothecenes in cereal grains for human consumption. As an update to this review, the work herein provides a comprehensive and multi-disciplinary review of the Fusarium trichothecenes covering topics in chemistry and biochemistry, pathogen biology, trichothecene toxicity, molecular mechanisms of resistance or detoxification, genetics of resistance and breeding strategies to reduce their contamination of wheat and barley.

ACS Style

Nora A. Foroud; Danica Baines; Tatiana Y. Gagkaeva; Nehal Thakor; Ana Badea; Barbara Steiner; Maria Bürstmayr; Hermann Bürstmayr. Trichothecenes in Cereal Grains – An Update. Toxins 2019, 11, 634 .

AMA Style

Nora A. Foroud, Danica Baines, Tatiana Y. Gagkaeva, Nehal Thakor, Ana Badea, Barbara Steiner, Maria Bürstmayr, Hermann Bürstmayr. Trichothecenes in Cereal Grains – An Update. Toxins. 2019; 11 (11):634.

Chicago/Turabian Style

Nora A. Foroud; Danica Baines; Tatiana Y. Gagkaeva; Nehal Thakor; Ana Badea; Barbara Steiner; Maria Bürstmayr; Hermann Bürstmayr. 2019. "Trichothecenes in Cereal Grains – An Update." Toxins 11, no. 11: 634.