Diversidad de hongos Ophiostomatoides en pinos de la sierra Fría de Aguascalientes, México, asociados con Dendroctonus mexicanus
2015
Moreno Rico, Onésimo | Sánchez-Martínez, Guillermo | Marmolejo-Monsiváis, José G. | Pérez-Hernández, Karla | Moreno-Manzano, Celeste E.
The Sierra Fría of Aguascalientes is covered with temperate forests, sustaining oak, oak-pine, and pine-oak communities. In this sierra, pines are affected by the smaller mexican pine beetle, Dendroctonus mexicanus, in symbiosis with wood-staining Ophiostomatoid fungi that, in timber production areas, may reduce timber value from 10 to 50%. The objective of this research was to identify Ophiostomatoid fungi species that cause wood-stain in pine species in the Sierra Fría of Aguascalientes. Wood samples were taken from pine trees infested by D. mexicanus, to isolate, purify and identify fungi species. Growing characteristics of these fungi were described and morphometric studies of the reproductive structures of anamorphs and telemorphs were conducted. The fungi Ophiostoma sp., O. pulvinisporum, O. pluriannulatum, Ceratocystiopsis fasciata and Leptographium sp., were identified on Pinus teocote and P. leiophylla, being Ophiostoma sp. and Leptographium sp. the most frequent. This is the first document that reports Ophiostomatoid fungi on pine trees of the Sierra Fría of Aguascalientes.
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