Impacts of Lavandula angustifolia Mill. and Thymbra spicata L. essential oils on postharvest gray mold of strawberries

Authors : İbrahim KAHRAMANOGLU, Tuba GENÇ KESİMCİ, Ayşe USANMAZ BOZHÜYÜK, Ramazan GÜRBÜZ, Harun ALPTEKİN

Pages : 606-615

Doi:10.31015/jaefs.2021.4.21

View : 22 | Download : 9

Publication Date : 2021-12-15

Article Type : Research Paper

Abstract :Antifungal activities of two essential oils insert ignore into journalissuearticles values(EOs);, derived from the Lavandula angustifolia L. and Thymbra spicata L. plant leaves were tested in current study against two isolates insert ignore into journalissuearticles values(M1-5 and M3-5); of Botrytis cinerea in Potato Dextrose Agar insert ignore into journalissuearticles values(PDA);. These studies were performed in vitro and a further in vivo test with vapor contact application of the EOs was performed with strawberry fruits to confirm the antifungal activities in postharvest storage. In vitro studies were conducted with four different application doses insert ignore into journalissuearticles values(0.25, 0.50, 1.00 and 2.00 mL L-1); of both EOs with poisoned food technique. The highest dose insert ignore into journalissuearticles values(2.00 mL L-1); of L. angustifolia had a 92.50% mycelial growth inhibition on M1-5, where the same dose of same oil had 0.00% mycelial growth inhibition on M3-5. On the other hand, the highest dose insert ignore into journalissuearticles values(2.00 mL L-1); of T. spicata had 16.76% and 51.18% of mycelial growth inhibition on M1-5 and M3-5, respectively. The lower doses had less or no antifungal activity, thus only the highest doses were tested in the consecutive in vivo studies. Results suggested that both of the EOs had moderate impact on the prevention of disease severity at strawberry cv. Camarosa fruits, inoculated with M1-5 and M3-5 isolates. The EOs were also noted to have a significant influence on the prevention of the weight loss and loss of soluble solids concentration. Results suggested that the vapor contact application of L. angustifolia and T. spicata essential oils have potential to be alternative to synthetic fungicides for controlling gray mold in strawberry fruits caused by B. cinerea.
Keywords : alternative control, Botrytis cinerea, fruit storability, poisoned food technique, vapor contact