Biological control of sapstain fungi in wood

IRG/WP 96-10158

S C Croan

Sapstain fungi can cause serious damage to wood and wood products, resulting in a significant economic loss for the wood products industry. The purpose of the present investigation was to determine whether the sapstain in wood caused by sapstain fungi could be biologically controlled. Biological control of sapstain fungi in wood was demonstrated in field trials with nonpigmented isolates of Ceratocystis spp. and Ophiostoma spp. These isolates lacked melanin-like pigment when grown on agar plates or wood chips. Inoculation of yellow pine log sections with the isolates prevented wood from biodiscoloration. The results indicate that the nonpigmented isolates can be used for the biological control of sapstain in wood.


Keywords: BIOLOGICAL CONTROL; SAPSTAIN; CERATOCYSTIS ADIPOSA; OPHIOSTOMA PILIFERUM; LABORATORY TESTS; FIELD TESTS; STRAINS; NON-PIGMENTED STRAINS; SOUTHERN YELLOW PINE

Conference: 96-05-19/24 Guadeloupe, France


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