Insecticidal properties of a Chenopodium-based botanical

Area of Science:

• Agricultural Entomology
• Plant Science
• Sustainable Agriculture

Background:

• Greenhouse pests such as green peach aphid, western flower thrips, and greenhouse whitefly cause significant crop damage.
• Conventional pesticides can harm beneficial insects, disrupting integrated pest management (IPM) programs.
• There is a need for effective, yet ecologically sound, pest control solutions in greenhouse environments.

Purpose of the Study:

• To evaluate the efficacy of a botanical insecticide, UDA-245, against key greenhouse pests.
• To compare UDA-245's performance with commercially available pesticides and control treatments.
• To assess the side effects of UDA-245 on a crucial whitefly parasitoid, Encarsia formosa.

Main Methods:

• Laboratory and greenhouse bioassays were conducted to test UDA-245 efficacy.
• Pest control was assessed for green peach aphid (Myzus persicae), western flower thrips (Frankliniella occidentalis), and greenhouse whitefly (Trialeurodes vaporariorium).
• Impact on the parasitoid Encarsia formosa was evaluated to determine compatibility with biological control agents.

Main Results:

• UDA-245 demonstrated significant control of green peach aphids, comparable to insecticidal soap.
• UDA-245 provided effective control of western flower thrips, especially at 1.0% concentration in greenhouse trials.
• UDA-245 was highly effective against greenhouse whiteflies and showed significantly lower toxicity to Encarsia formosa than insecticidal soap.

Conclusions:

• The botanical insecticide UDA-245 shows promise for controlling major greenhouse pests.
• UDA-245 is a viable component for greenhouse IPM programs due to its efficacy and low impact on natural enemies.
• UDA-245 offers an effective and environmentally conscious alternative to conventional pesticides in horticulture.