Kanyani Chaiyadit and Thanunchanok Chairin

DOI: 10.14456/sjst-psu.2022.10

pp. 60 - 65

Abstract

The antagonistic potential of Genus Pleurotus for controlling Meloidogyne incognita under laboratory condition was examined and the effective species were selected. The results showed the egg hatching was significantly inhibited by Pleurotus sp. from Hungary (PH) and Pleurotus sp. from Bhutan No. 3 (PB-3) as 13.33 and 15.00%, respectively within 48 hours. Both species caused mortality of infective juveniles as 23.33 and 18.33%, respectively within 24 hours. The optimal growth temperature for PH and PB-3 (selected Pleurotus) on PDA was 28 ยฑ 2 oC. Nematotoxin droplets were found on their hyphae within 12 hours. The selected Pleurotus could produce protease on protein-enriched media. The protease was 0.27 U/mg protein when cultured PH on PDB with 1% casein and 0.17 U/mg protein when PB-3 was cultured on PDB with 1% skim milk. Furthermore, the potential of PH and PB-3 to control root-knot nematode disease in the field need to be conducted.

Keywords

• Pleurotus
• antagonistic fungi
• root- knot nematode
• protease