ORIGINAL ARTICLE
Effects of Lantana camara L. leaves extracts and essential oils in the production and protection of tomato (Solanum lycopersicum L.) Roma VF
 
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1
Department of Chemistry, University of Ibadan, Ibadan. Nigeria, F106 Laboratory, Natural Products Laboratory, 110, Ibadan, Nigeria
 
2
Department of Crop Protection and Environmental Biology, University of Ibadan, Room A307, 3rd Floor, Agric Biology Building, 200005, Ibadan, Nigeria
 
3
Horticulture (Fruit science and Cropping systems), Federal University of Agriculture, Department of Horticulture, 110111, Abeokuta, Nigeria
 
 
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
 
 
Submission date: 2025-04-06
 
 
Acceptance date: 2025-06-12
 
 
Online publication date: 2025-07-31
 
 
Corresponding author
Ayopo Anuoluwa Sotade   

Department of Chemistry, University of Ibadan, Ibadan. Nigeria, F106 Laboratory, Natural Products Laboratory, 110, Ibadan, Nigeria
 
 
 
HIGHLIGHTS
  • 1. Lantana camara extracts promote tomato plant growth significantly
  • 2. Essential oils from Lantana camara reduce pest damage effectively
  • 3. Leaf extracts enhance the fruit yield of Solanum lycopersicum significantly
  • 4. Natural compounds show potential as sustainable pest management solutions
  • 5. Findings support Lantana camara as a bio-pesticide for agriculture
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ABSTRACT
Tomato (Solanum lycopersicum L.) is the most commonly consumed vegetable in Nigeria, and synthetic pesticides are frequently used to protect tomatoes against pests and diseases. However, the environment and human health are negatively impacted by their use, prompting consideration of alternative, environmentally safe treatments. Lantana camara L. (commonly known as sage, family Verbenaceae), a commonly occurring plant, has shown promise as a natural alternative for controlling tomato pests and may serve as an eco-friendly substitute for synthetic pesticides. Therefore, the potential of extracts of L. camara and essential oils (EOs) for the production and protection of the tomato variety “Roma VF” was studied under field conditions in Ibadan, Nigeria. Fresh L. camara leaves were collected from plants growing on the University of Ibadan campus, Oyo State and identified at the Herbarium section, Department of Botany, University of Ibadan (UIH 23103). The leaves were air-dried, pulverized and subjected to hydrodistillation for EO extraction. The methanol and aqueous extracts of L. camara were obtained by maceration in methanol and water, respectively. An in vivo pesticidal bioassay was conducted to determine the biocidal potential of L. camara leaves using aqueous extract, methanolic extract, EO and water (as control) via two modes of application (spraying and drenching). The data were analysed using ANOVA and DMRT. The EO treatment gave the best control of the pests and resulted in higher fruit yield (1821 g/plant) compared to the control (512.5 g/plant). Thus, the EO from L. camara leaves demonstrated promising biocidal potential and can be effectively used to protect tomatoes against pests for increased fruit yield.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
eISSN:1899-007X
ISSN:1427-4345
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