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Collection Efficacy of Entomopathogenic Fungi in Soils with Different Cultivation Practices
To collect entomopathogenic fungi we sampled soils from two different cultural types of farm which are conducting conventional culture and organic culture, and non-crop land. Forty-seven soil samples were collected from 9 provinces. Among them, 7 samples were collected from non-crop land, 6 samples were from organic farm and 34 samples were from conventional culture farm. Insect-bait method using Galleria mellonella and agar plating method were conducted to collect entomopathogenic fungi. Collection of entomopathogenic fungi using insect-bait method was highest in non-crop land as 7.1 mycotic cadavers per soil sample followed by organic farm with 3.6 and conventional farm with 3.3. Result from agar plating method showed the highest colony forming unit (cfu) was in organic farm followed by non-crop land, but cfu in conventional cultivating farm was a half compared with the non-crop land.
