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It is caused by a fungus that yields readily to treat ment. Spraying early ... The fungus may be spread by infected seed plant debris, wind, rain, and ...
Ce document est le fruit d'un long travail approuvé par le jury de ...The research reported in this thesis was funded by the NERC and the. Environment Agency. Facilities for the research were provided by the Department. A Monographic Study of Bean Diseases and Methods for Their ControlAbstract. Aphanomyces euteiches is a soil-borne oomycete pathogen of leguminous plants, affecting production of peas and alfalfa all over ... The relationships between stressors, macroinvertebrate community ...En 1998, deux chercheurs étudiant les organismes emprisonnés dans de la glace ancienne ont trouvé des formes de vie variées : champignons, algues, bacté- ries, ...
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