1887

Abstract

Summary

Partially purified preparations of the strain of cocoa mottle leaf virus were inactivated after 10 min. at 60°, but not after 10 min. at 55°. All undiluted preparations were infective, most were still infective when diluted 1/10 and some at 1/100; they were still infective after storing for 96 hr at 0 to 4° or 25°. The virus retained infectivity after freezing but lost some infectivity when frozen in leaves. The virus was precipitated from clarified extracts by adding 150 to 200 g./l. ammonium sulphate. Infective preparations contained straight rod-shaped particles with rounded ends having a mean length of 1430 Å and apparent width 256 to 260 Å.

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/content/journal/jgv/10.1099/0022-1317-1-4-465
1967-10-01
2019-11-21
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-1-4-465
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