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  1. 1

    Histopathological effects of gamma radiation on the reproductive structures of the orchid weevil Orchidophilus aterrimus (waterhouse) (Coleoptera curculionidae) par Orbita, Pedro Jesus 1964-

    Publié 2000
    Thèse

    Histopathological effects of gamma radiation on the reproductive structures of the orchid weevil Orchidophilus aterrimus (waterhouse) (Coleoptera curculionidae)
  2. 2

    Seasonal changes of the pathogenic races of pyricularia oryze cav. at the IRRI blast nursery [microform] par Quamaruzzaman, Mohammad 1942-

    Publié 1977
    Visual Material

    Seasonal changes of the pathogenic races of pyricularia oryze cav. at the IRRI blast nursery [microform]
  3. 3

    Survey, identification and pathogenicity tests of nematodes associated with tobacco grown in northern Luzon [microform] par Cortado, Rosendo Valdez 1931-

    Publié 1977
    Visual Material

    Survey, identification and pathogenicity tests of nematodes associated with tobacco grown in northern Luzon [microform]
  4. 4

    Variation in cultural characteristics, physiology, and pathogenicity of field isolates of thanatephorus cucmeris (Frank) donk, the casual organism of rice sheath blight disease [mi... par Haque, Mohammad Aminul 1945-

    Publié 1977
    Visual Material

    Variation in cultural characteristics, physiology, and pathogenicity of field isolates of thanatephorus cucmeris (Frank) donk, the casual organism of rice sheath blight disease [microform].

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