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occurrence and distribution of potato virus y strain n (pvy(n)) on celery in iran.celery (apium graveolens) is an important crop grown in many countries. different types of diseases present a major constraint to celery production and can lead to significant reductions in yield potato virus y, the type member of the genus potyvirus(family potyviridae) is one of the causal agents of viral diseases in crops. in the present study, pvy occurring in celery fields was determined as the causal agent of mosaic disease of celery (apium graveolens). the virus is naturally transmitted by ...200920222571
potato virus yisolated from pepper fields in tehran province.potato virus y was known as the main cause of yellowing and vein necrosis of pepper in tehran province, using double antibody sandwich elisa (das-elisa). biological properties including host range of the isolate was determined after biological purification. host range studies showed that pepper isolate of pvy caused vein clearing and mosaic symptoms on datura metel and capsicum annum, mosaic on nicotiana tabacum cv. white barley, n. tabacum cv. samsun and n. rustica but didn't show any symptoms ...200617390898
identification of pvy-n on potato and tobacco in tehran and mazandaran provinces.during two growing seasons in years of 2003 and 2004 potato and tobacco of virus infected plants were collected from fields in tehran (damavand) and mazandaran (behshahr) provinces. serological methods of tas-elisa and diba were performed by using pvy antiserum (dsmz - plant virus collection; germany) but only pvy was detected. the strain of samples was determined by using mab of potato virus y (as-0403/1; dsmz; germany). the molecular weight of the virus coat protein was approximately 34 kda in ...200516637208
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