Potential factors contributing to the decline of Iris Yellow Spot Virus in organically grown onion crops in Canterbury and Hawke's Bay over three years
نویسندگان
چکیده
منابع مشابه
Evaluation of onion cultivars for resistance to onion thrips (Thysanoptera: Thripidae) and Iris yellow spot virus.
Onion thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), a worldwide pest of onion, Allium cepa L., can reduce onion yield by > 50% and be even more problematic when it transmits Iris yellow spot virus (family Bunyaviridae, genus Tospovirus, IYSV). Because T. tabaci is difficult to control with insecticides and other strategies, field studies on onion, Allium cepa L., resistance to T. ta...
متن کاملLong-Distance Dispersal Potential for Onion Thrips (Thysanoptera: Thripidae) and Iris yellow spot virus (Bunyaviridae: Tospovirus) in an Onion Ecosystem.
Onion thrips, Thrips tabaci Lindeman, is a worldwide pest of onion whose feeding damage and transmission of Iris yellow spot virus (IYSV) may reduce onion yields. Little is known about the seasonal dynamics of T. tabaci dispersal, the distance of dispersal, or the movement of thrips infected with IYSV during the onion-growing season. To address these questions, T. tabaci adults were collected u...
متن کاملmolecular diagnosis of iris yellow spot virus (iysv) on onion in iran
viral symptoms indicative of iris yellow spot virus (iysv) were observed on onion in several fields near chenaran in khorasan razavi province. mechanical inoculation of herbaceous hosts with onion sap extracts from symptomatic plants showed similar symptoms to those described for iysv. the mechanically transmitted virus reacted only with antisera specific to iysv in das-elisa but not with antis...
متن کاملiris yellow spot virus(iysv) a new viral disease of onion in iran
abstract iris yellow spot virus (iysv) is one of the important pathogens of onion in reported countries. host range of this virus is very wide and transmitted by onion thrips (thrips tabaci). in survey that was conducted in summer 2006 in onion fields of mashhad, samples with viral symptoms and high population of thrips have been collected. since the symptoms were similar to iysv, special antis...
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ژورنال
عنوان ژورنال: New Zealand Plant Protection
سال: 2018
ISSN: 1179-352X,1175-9003
DOI: 10.30843/nzpp.2018.71.116