Brendel model, Phytophtora infestans de Bary.
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A Brendel botanical model of the “Phytophtora infestans de Bary No 10 K – Kartoffelkrankheit Blattdurchschnitt”. Brendel model of a cross-section through a potato leaf with phytophthora infestans (potato mushroom) model is manufactured by robert brendel (1821-1898), breslau tegenwoorrdig wroclaw poland. De retailer was Merkelbach & Co, Amsterdan and 43 cm high.