A preliminary list of references to pests and diseases included in appendix a of the plant protection agreement for the South East Asia and Pacific region.
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| Format: | Texto biblioteca |
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1960
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| Subjects: | PL PPC SEAP, QUARANTINE, PARASITOSES, PARASITIC PLANTS, QUARANTAINE, PARASITOSE, PLANTE PARASITE, CUARENTENA, ENFERMEDADES PARASITARIAS, PLANTAS PARASITAS, |
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