Survival of an entomogenous fungus, Metarhizium anisopliae, causing the muscardine disease of the silkworm, Bombyx mori, in the soil of mulberry plantation

agentes nocivos animal animales animals arthropode arthropode utile arthropods auxiliaire de lutte biologique biologia biological control biological control organisms biologie biologie du sol biology champignon crops cultivos cultural soil types dicotiledoneas dicotyledons diseases economic plants enfermedades fungosas entomogenous fungi environment environnement facteur nuisible feed crops fungi gusano de seda injurious factors insecte insecte utile insectos insects invertebrados invertebrates lepidoptera lutte biologique medio ambiente moraceae morus mycose mycoses orchard soils pest control methods plantas plantas forrajeras plante plante de culture plants silkworms site factors soil biology soil types sol de verger suelo de huertos type de sol type de sol de culture urticales useful arthropods useful insects