Robertson, N.L.

Virus-like particles and a spider mite intimately associated with a new disease of barley - 1988 - Printed

ill. references

The malting barley-producting regions in Montana and Canadaare threatened with a new virus-like barley disease that appears to be etiologically novel. Ultrathin sections of diseased tissue contained enveloped, filamentous virus-like particles that measured 64 nanometers by 126-4000 nanometers. These lengths are unique for plant viruses. Unexpectedly, the spider mite, Petrobia letens, which has never been reported to be a vector of a pathogen, was found totransmit the causal agent from diseased plants to healthy barley, while noninfective mites failed to do so unless they were allowed prior access to diseased tissue


English

0036-8075


America
Arachnida
Arthropods
Disease transmission
Diseases
Epidemiology
Glumiflorae
Gramineae
Hordeum
Injurious factors
Invertebrates
Monocotyledons
North America
Pests of plants
Plant diseases
USA
Western states usa

89-046745
baner

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