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(Acaria erinoea)-Acarieni

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Diognomonia eptostyla marssonina juglandis

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Anthracnose Gnomonia leptospyla

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Anthracnose Gnomonia leptostyla

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Polyporus squamosus.

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The Walnut Leaf Gall Mite (Aceria erinoea)

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Polyporus squamosus.

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The Walnut Leaf Gall Mite (Aceria erinoea)

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Viermele m─ârului Cydia pomonellei

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Walnut Leaf Blotch(Patarea frunzei)

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Xanthomonas campestris juglandis,

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Xanthomonas campestris juglandis.

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Xanthomonas campestris juglandis;