Report on the incidence of the leaf mottling virus disease and its vector and the progress of the work on the establishment of foundation groves of virus-free citrus mother trees.
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| Format: | Texto biblioteca |
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1969
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| Subjects: | PL PPC SEAP, VIROSES, VECTORS, LEAVES, MORBIDITY, ORCHARDS, VIRUSES, CITRUS, FRUIT TREES, VIROSE, VECTEUR DE MALADIE, FEUILLE, MORBIDITE, VIROSIS, VECTORES, HOJAS, MORBOSIDAD, VERGER, VIRUS, ARBRE FRUITIER, HUERTO FRUTAL, ARBOLES FRUTALES, |
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