SCREENING OF VOLATILE COMPOUNDS FROM BRASSICACEOUS PLANTS AGAINST Phytophthora palmivora IN COCOA
Authors: Suhaida, S.
Journal Issue: Malaysian Cocoa Journal, Volume 16/2024
Keywords: Biofumigation, Phytophthora palmivora, cauliflower, broccoli, cabbage
Published On: 1/10/2024
Abstract
Plants from the Brassicaceae family, which contain high levels of glucosinolates, have been utilized as biofumigants to control soilborne pathogens. The effectiveness of Brassica plant material is largely credited to the release of toxic isothiocyanates following the breakdown of glucosinolates. Biofumigation of Brassica tissue for controlling Phytopththora palmivora on cocoa plantation is not being discussed before. Three plants from the Brassicaceae family namely cauliflower, broccoli and cabbage were assessed for their volatile compounds potential under in vitro conditions. The macerated tissues from cauliflower, broccoli, and cabbage were individually placed on the inverted lids of PDA plates, while the plug of P. palmivora was positioned on the bottom plate. Among the three, broccoli displayed the highest suppression of P. palmivora mycelial growth at 75.32%, followed by cauliflower at 66.23% and cabbage at 57.14%. The findings of this study suggest that volatile compounds effect from broccoli exhibits promising potential in restraining the growth of P. palmivora.