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STUDY OF OCCURRENCE AND HARMFULNESS OF BEAN APHID（Aphis fabae complex）INFESTING SOSNOWSKI’S HOGWEED（Heracleum sosnowskyi Manden）
Heracleum sosnowskyi Manden Sosnowski’s hogweed Aphis fabae complex
2009/3/31
Over 1999-2002 a research was carried out in the region of Bydgoszcz, at Minikowo, Mochełek and Topolno, on the dynamics of the occurrence and harmfulness of bean aphid (Aphis fabae complex) on ...