Role des cultures de ray grass dans l epidemiologie de la jaunisse nanisante de l orge (VJNO or BYDV) en poitou charentes
Material type:
ArticleLanguage: Fr Publication details: 1983Subject(s):
In:
Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit v. 16, no. 3, p. 807-811615316Summary: In a study in Poitou-Charentes, France, on the transmission of barley yellowdwarf virus in winter barley, the relative significance of the origin of the vector Rhopalosiphum padi (L.) from spontaneous regrowth of the same crop or from rye-grass [Lolium perenne], and of the length of time spent by the aphid onthe barley, are discussed in relation to the efficiency of transmission and the severity of symptoms. In field tests involving artificial infestation, aphids with a high rate of infection originating from self-sown barley and placed at a rate of 5 aphids/plant on young healthy barley infected it with the virus within20 days, whereas aphids originating from
| Item type | Current library | Collection | Call number | Copy number | Status | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|---|
| Article | CIMMYT Knowledge Center: John Woolston Library | Reprints Collection | REP-3227 (Browse shelf(Opens below)) | 1 | Available | 615316 |
Tables, graphs, references p. 810-811
In a study in Poitou-Charentes, France, on the transmission of barley yellowdwarf virus in winter barley, the relative significance of the origin of the vector Rhopalosiphum padi (L.) from spontaneous regrowth of the same crop or from rye-grass [Lolium perenne], and of the length of time spent by the aphid onthe barley, are discussed in relation to the efficiency of transmission and the severity of symptoms. In field tests involving artificial infestation, aphids with a high rate of infection originating from self-sown barley and placed at a rate of 5 aphids/plant on young healthy barley infected it with the virus within20 days, whereas aphids originating from
French
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