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标题：Variabilidad de cepas de Hirsutella thopsonii, a partir de ácaros fitófagos en tres sistemas terrestres del estado de Colima, México
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作者：JOSÉ LUIS ROSAS ACEVEDO ; LAURA SAMPEDRO ROSAS
期刊名称：Revista Mexicana de Biodiversidad
印刷版ISSN：1870-3453
出版年度：2009
卷号：77
期号：001
出版社：Instituto de Biología
摘要：BETWEEN 1999 AND 2004, TEN STRAINS OF THE FUNGUS HIRSUTELLA THOMPSONII FISHER WERE ISOLATED FROM INFECTED MITES, IN 9 LOCALITIES OF 3 OF THE 11 TERRESTRIAL SYSTEMS FOUND IN THE STATE OF COLIMA, MEXICO: COASTAL PLAIN OF TECOMÁN, COASTAL PLAIN OF CUYUTLÁN, AND THE VALLEY OF THE ARMERÍA RIVER. OF THE 10 STRAINS, 5 BELONG TO VAR. THOMPSONII, WHOSE GROWTH IS FLUFFED MYCELIAL, SLIGHTLY ELEVATED, GRAY TO GREENISH GRAY, AND 5 TO VAR. SINEMATOSA, WITH A FL AT APPEARANCE, WHITE TO YELLOW. THE HOSTS WERE TWO-SPOTTED SPIDER MITE (TETRANICHUS URTICAE), ERIOPHIDAE (ACERIA GUERRERONIS AND PHYLLOCOPTRUTA OLEIVORA) AND BREVIPALPIDAE (BREVIPALPUS PHOENICIS), CITRUS SPP. BEING THE HOST OF THE MITES IN 8 OF THE 10 ISOLATIONS. OF THE 10 STRAINS, ONLY ONE HTM130 STRAIN OF H. THOMPSONII VAR. THOMPSONII DISPLAYED EXUDATE FORMATION IN THE SPORULATIVE PHASE, CHARACTERISTIC THAT GIVES GREATER POTENTIAL FOR IMPLEMENTATION IN MANAGEMENT STRATEGIES FOR THE CONTROL OF PHYTOPHAGOUS MITES. STRAIN COLORATION AND GROWTH ARE NOT CORRELATED WITH THE TERRESTRIAL SYSTEM WHERE THEY WERE FOUND, NOR TO PREVAILING CLIMATIC CONDITIONS. THIS CONTRIBUTION DEMONSTRATES THE IMPORTANCE OF ASSESSING THE PRESENCE OF NATIVE NATURAL ENEMIES, BEFORE INTRODUCING COMMERCIAL MICROORGANISMS OR ISOLATIONS FROM ELSEWHERE SO AS NOT TO AFFECT THE NATURAL REGULATORY SYSTEMS.
关键词：biodiversity;entomopathogen;natural enemies;native fungus;biodiversidad;entomopatógeno;enemigos naturales;hongo autóctono