000258873 001__ 258873
000258873 005__ 20180123010737.0
000258873 037__ $$a1911-2017-1570
000258873 041__ $$afre
000258873 245__ $$aMise en évidence de la présence du virus de la Mosaique de l'igname (YMV) en Guyane
000258873 260__ $$c1993
000258873 269__ $$a1993-07-01
000258873 300__ $$a10
000258873 336__ $$aConference Paper/ Presentation
000258873 520__ $$aDes échantillons d'ignames Dioscorea trifida collectés en Guyane française présentent des symptômes de mosaïque en arêtes de poisson. On montre que ces plantes contiennent un potyvirus flexueux, produisant des inclusions cytoplasmiques de type pinwheels et transmis par pucerons sur le mode non persistant. L'isolat étudié est proche du Yam Mosaic Virus décrit en Côte d'Ivoire, il réagit avec un antiserum anti-YMV- Côte d'Ivoire et sa protéine capside présente une mobilité électrophorétique identique, mais il produit des symptômes plus marqués sur Nicotiana benthamiana et présente une mobilité électrophorétique différente de celle d'isolats provenant de Guadeloupe (FWI); Des précautions doivent être prises pour éviter tout échange international de matériel infecté. ----- Yam plants, Dioscorea trifida, collected in French Guyana showed chromatic fish -bone symptoms on their leaves. The plants were found infected by a potyvirus with flexuous rods, produccing pinwheels in infected cytoplasm, transmitted mechanically and buy aphids in a non persisten manner. The virus reacted with an antiserum prepared against the Ivory Coast isolate of Yam Mosaic Virus an their coat proteins presented the same electrophoretic mobility. Differences in electrophoretic mobility were found with a yam potyvirus collected in Guadeloupe (FWI); the guyana isolate produced also a more severe vein-banding on Nicotiane benthammiana leaves than the other Yam isolates. Precautions must be taken in order to avoid any international exchange of infected material.
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000258873 546__ $$aFrench
000258873 650__ $$aCrop Production/Industries
000258873 650__ $$aResearch and Development/Tech Change/Emerging Technologies
000258873 700__ $$aBoeglin, M.
000258873 700__ $$aLabonne, G.
000258873 700__ $$aDegras, L.
000258873 700__ $$aQuiot-Douine, L.
000258873 700__ $$aQuiot, J.B.
000258873 8560_ $$fsnyde350@umn.edu
000258873 8564_ $$s733059$$uhttp://ageconsearch.umn.edu/record/258873/files/29_27.pdf
000258873 909CO $$ooai:ageconsearch.umn.edu:258873$$pGLOBAL_SET
000258873 980__ $$a1911