نتایج جستجو برای: thrips

تعداد نتایج: 2521  

2003
Laurence A. Mound

Tospoviruses are considered to be dependent on Thysanoptera for their existence in nature, but scarcely 0.15% of Thysanoptera species (9 of 5500) are known to be vectors. Moreover, these vector species are not closely related to each other, suggesting either that many thrips species have lost an association with tospoviruses or that each Tospovirus species has evolved an independent relationshi...

To evaluate quantitative and qualitative traits as well as thrips resistance of onion genotypes, an experiment was conducted at Behbahan Agricultural Research Station, Behbahan, Khuzestan, Iran from 2013 to 2015. The experiment was a split plot based on a randomized complete block design with three replications. Pesticide-treated and pesticide-free plots were considered as sub plots and ten oni...

Khoshnood Nourollahi Majid Mirab-balou Seyed Saeid Modarres Najafabadi

Thrips specimens were collected in the year 2014 on different ornamental plants from Mahallat (Markazi Province), Iran. In this study, 11 species in six genera and three different families of Thysanoptera were collected and identified. The scientific names of thrips species are as follow: Melanthrips knechteli, M. pallidior, Frankliniella intonsa, F. occidentalis, Microcephalothrips abdominalis...

2012
Majid Mirab-balou Xiao-li Tong Xue-xin Chen

An illustrated key is provided to distinguish the 26 species of the genus Thrips L. (Thripidae: Thripinae) recorded from Iran. Thrips alavii Mirab-balou, Tong & Chen, sp. n. is described and illustrated. Thrips alliorum (Priesner) is newly recorded for the fauna of Iran. A checklist is provided for all recorded species in this genus from Iran, with information on the geographical distribution f...

2013
Michelle A Rafter James P Hereward Gimme H Walter

Scirtothrips aurantii is a generalist horticultural pest in its native African range and recently established quite widely in Australia on the invasive succulent weed Bryophyllum delagoense. Paradoxically, this thrips is not polyphagous in its incursive range. The issue is principally one of quarantine. Will the thrips in Australia shift, perhaps adaptively, to citrus, and should the primary fo...

Journal: :Environmental entomology 2012
Paul D Shirk Jeffrey P Shapiro Stuart R Reitz Jean M G Thomas Rosalie L Koenig Mirian M Hay-Roe Lyle J Buss

Orius insidiosus (Say) and O. pumilio (Champion) were confirmed to be sympatric in north central Florida as the major predators of the Florida flower thrips, Frankliniella bispinosa (Morgan), on flowers of Queen Anne's lace, Daucus carota L. and false Queen Anne's lace, Ammi majus L. F. bispinosa was the predominant thrips observed on both flowers but colonized D. carota to a greater extent an...

2002

Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) , the western flower thrips, is the primary insect pest of tomatoes and other vegetable crops in northern Florida and the rest of the southeastern USA. However, it is not the only flower thrips present in the region nor is it always the most abundant species. To determine the seasonal and within plant distribution of these various ...

Journal: :Phytopathology 2008
A E Whitfield N K K Kumar D Rotenberg D E Ullman E A Wyman C Zietlow D K Willis T L German

Tomato spotted wilt virus (TSWV) is an economically important virus that is transmitted in a persistent propagative manner by its thrips vector, Frankliniella occidentalis. Previously, we found that a soluble form of the envelope glycoprotein G(N) (G(N)-S) specifically bound thrips midguts and reduced the amount of detectable virus inside midgut tissues. The aim of this research was to (i) dete...

2015
Hicham Fatnassi Jeannine Pizzol Rachid Senoussi Antonio Biondi Nicolas Desneux Christine Poncet Thierry Boulard Guy Smagghe

Frankliniella occidentalis (Pergande) is a key pest of various crops worldwide. In this study, we analyse the dependence of the infestation of this pest on spatially distributed micro climatic factors in a rose greenhouse. Despite the importance of this subject, the few existing studies have been realized in laboratory rather than in greenhouse conditions. However, recent progress on greenhouse...

2011
David G. Riley Shimat V. Joseph Rajagopalbabu Srinivasan Stanley Diffie

Tospoviruses belong to the sole phytovirus genus, Tospovirus, in the family Bunyaviridae. Tospoviruses are known to be exclusively transmitted by thrips belonging to the family Thripidae and subfamily Thripinae. Of the known 1,710 species of Thripidae only 14 thrips species are currently reported to transmit tospoviruses. Thrips-transmitted tospoviruses cause severe yield losses to several econ...

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