Making Sense of Agrobiodiversity, Diet, and Intensification of Smallholder Family Farming in the Highland Andes of Ecuador by Oyarzun, Pedro J, Borja, Ross Mary, Sherwood, Stephen, Parra, Vicente

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Factors associated with soil receptivity to some fungal root rot pathogens of peas by Oyarzun, P.J, Gerlagh, M, Zadoks, J.C

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Computerized equipment to control soil water matric potential and soil temperature in inoculum potential assays of soil-borne pathogens by Oyarzun, P.J. (Instituut voor Planteziektenkundig Onderzoek DLO, Wageningen (Netherlands)), Zalm, T. van der, Roelofsen, H.W, Dijst, G

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Host specificity of Phytophthora infestans on tomato and potato in Ecuador by Oyarzun, P.J. (CIP, Quito, Ecuador.), Pozo, A, Ordonez, M.E, Doucett, K, Forbes, G.A

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Evidence for host mediation of preinfection stages of Phytophthora infestans on the leaf surface of Solanum phureja by Oyarzun, P.J, Yanez, J, Forbes, G.A

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Incidence of potato tuber blight in Ecuador by Oyarzun, P.J, Garzon, C.D, Leon, D, Andrade, I, Forbes, G.A

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Factors associated with soil receptivity to some fungal root pathogens of peas by Oyarzun, P.J, Gerlagh, M, Zadoks, J.C

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Determination and analysis of soil receptivity to Fusarium solani f. sp. pisi causing dry root rot of peas by OYARZUN, P. J, DIJST, G, MAAS, P. W. T

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Soil receptivity to Fusarium solani f. sp. pisi and biological control of root rot of pea by Castejon-Munoz, M. (Centro de Investigacion y Desarrollo Agrario, Sevilla (Spain)), Oyarzun, P.J

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Water relations of potato leaves. 2. Pressure-volume analysis and inferences about the constancy of the apoplastic fraction by Vos, J, Oyarzun, P.J

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Bioassay to assess root rot in pea and effect of root rot on yield by Oyarzun, P. J.

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