Centrifugation of filiform particles in a density gradient: the separation of the Beet virus yellows from leaf homogenates

Mundby, K.-W.; Schneider, F.

Z. Naturf., IIb. 9-10: 573-578

1956


Accession: 013978640

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Abstract
At the Institute for Agricultural Technology and Sugar Industry, Technical College, Brunswick, Germany, density gradient centrifugation in sucrose solutions proved to be an effective method for the separation of sugar beet yellows virus from the normal constituents of leaf homogenates of Tetragonia expansa and Chenopodium foliarum. The virus was shown by tests on Nicotiana quadrivalvis to have lost virtually nothing of its serological activity as a result of the treatment.