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- Title
Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae).
- Authors
Escobar-Garcia, Hector Alonso; Nascimento, Vinícius Ferraz; De Melo, Márcio Aparecido; Ramalho, Dagmara Gomes; De Bortoli, Sergio Antonio
- Abstract
Diamondback moth, Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae), is a vegetable pest of the genus Brassica worldwide. The development of new, safer bio-insecticides with less negative impacts on human health, flora, fauna, and specific to the target is needed to combat this pest, particularly in small-scale organic agriculture. In this sense, the efficiency of 7 plant species in the form of aqueous botanical extracts was evaluated regarding the bio-insecticide effect, using three extraction methods (orbital agitation, decoction, and infusion). There was a difference between the treatments, highlighting the decoction of Couroupita guianensis, which presented the highest efficiency (39%) for second-instar larvae of P. xylostella, followed by infusions of Codiaeum variegatum and Ruta graveolens, both with a 29% efficiency rate. The 3 extraction methods were statistically different, with decoction and orbital agitation presenting the best results.
- Subjects
PLUTELLIDAE; LEPIDOPTERA; DIAMONDBACK moth; BOTANY; PEST control; COLE crops
- Publication
Journal of Plant Diseases & Protection, 2024, Vol 131, Issue 1, p255
- ISSN
1861-3829
- Publication type
Article
- DOI
10.1007/s41348-023-00809-6