DAH8QEAI

2298

6 janvier 2021 16:24

6 janvier 2021 16:24

The use of inhibitory biological substances contained in garlic (Allium sativum L.) was explored in this study as a possible biopesticide for controlling Phytophthora capsici Leonian. The advantages of garlic extract are that it is not persistent in the soil, it is easily degradable, and it is nontoxic to humans and domestic animals. Total inhibition of mycelial growth of P. capsici was observed at a concentration of 150 mg·mL−1 of garlic extract. The morphology of mycelia treated with the garlic extract at a concentration of 100 mg·mL−1 was abnormal under the microscope, with mycelia slowly swelling and bioplasm accumulating. Garlic extract exhibited strong inhibitory effects against zoospore germination of P. capsici at 75 and 50 mg·mL−1, where the inhibition rate was over 97.13%. The extract also inhibited zoospore germination with a concentration as low as 37.5 mg·mL−1. The results indicated that the effective concentration (EC50) values of garlic extract against mycelium growth and zoospore germination were 64.2 and 25.9 mg·mL−1, respectively. The minimal inhibitory concentration (MIC) and minimal antimicrobial concentration (MAC) of garlic extract were 100 and 150 mg·mL−1, respectively. In a pot trial, garlic extract had a protective effect on pepper blight.

None

• allium sativum l.
• AB - Transversal
• FREDO lutte
• GEO Chine
• biopesticide
• pest management

• biopesticide extract
• inhibition
• phytophthora capsici

International Journal of Vegetable Science

15

13-23

November 18, 2008

18 novembre 2008

10.1080/19315260802446377 Le DOI est une URL unique de référencement d'une publication. Il est donc plus fiable et permanent qu'une URL classique

1931-5260 L’ISSN est un code de 8 chiffres servant à identifier les journaux, revues, magazines, périodiques de toute nature et sur tous supports, papier comme électronique.