Results 41 to 50 of about 14,186 (253)

Thrips (Thysanoptera) of vegetable crops (okro, spinach, garden egg and pumpkin) grown in Southeastern Nigeria

open access: yesPlant Protection Science, 2003
Eight vegetable crops were sampled at five localities in Southeastern Nigeria and were found to harbour one or more species of thrips. The crops were Amaranthus hybridus, A. spinosus, Basella rubra, Solanum incanum, S.
Evangelina T. Oparaocha   +1 more
doaj   +1 more source

A thrips vector of tomato spotted wilt virus responds to tomato acylsugar chemical diversity with reduced oviposition and virus inoculation. [PDF]

open access: yes, 2019
There is increasing evidence that acylsugars deter insect pests and plant virus vectors, including the western flower thrips (WFT), Frankliniella occidentalis (Pergande), vector of tomato spotted wilt virus (TSWV).
Anderson, Taylor   +7 more
core  

Populations of Pear Thrips, \u3ci\u3eTaeniothrips Inconsequens\u3c/i\u3e (Thysanoptera: Thripidae) in Sugar Maple Stands in Vermont: 1989-2005 [PDF]

open access: yes, 2018
Development of an effective IPM strategy for pear thrips, Taeniothrips inconsequens (Uzel) (Thysanoptera: Thripidae), a pest of sugar maple, Acer saccharum Marshall, demands an understanding of their population fluctuations over time.
Kim, J. S   +4 more
core   +2 more sources

Annual flower strips under the ‘Sweden Blossom’ initiative – how do they perform for pollinators, natural enemies and herbivores?

open access: yesAgricultural and Forest Entomology, EarlyView.
Pollinator‐targeted annual flower strips increase abundances of pollinators but also natural enemies and herbivores. Natural enemies and herbivores disperse in a taxon‐specific manner into nearby crops. Pest control by ground‐dwellers slightly increases in crop areas near the flower strips.
Neus Rodríguez‐Gasol   +6 more
wiley   +1 more source

Distribution of Thysanoptera species and their host plants in Croatia

open access: yesActa Agriculturae Slovenica, 2009
Sampling of thrips species and their host plants were carried out from 1993 to 1996 on 111 localities in Croatia. Samples of thrips were taken from 235 different plant species.
Emilija RASPUDIĆ   +3 more
doaj   +1 more source

Möglichkeiten zur biologischen Bekämpfung des Zwiebelthrips Thrips tabaci LINDEMAN (Thys., Thripidae) durch verschiedene, entomopathogene Pilze aus Thailand [PDF]

open access: yes, 2008
The onion thrips, Thrips tabaci LINDEMAN (Thys., Thripidae) is an important pest of field and greenhouse crops around the world. It causes damage directly through feeding and indirectly through the transmission of lethal plant viruses. It is difficult to
Blaeser, Peter   +2 more
core  

1166. Helianthus occidentalis Riddell

open access: yesCurtis's Botanical Magazine, EarlyView.
Summary Helianthus occidentalis Riddell (Compositae: Heliantheae: Helianthinae) is described and illustrated. The species' placement in the genus is commented on, as are the differences in infrageneric placement of the other species Heiser originally grouped H. occidentalis with.
Nicholas Hind, Christabel King
wiley   +1 more source

Survey of Predators Associated With European Red Mite (\u3ci\u3ePanonychus Ulmi\u3c/i\u3e; Acari: Tetranychidae) in Ohio Apple Orchards [PDF]

open access: yes, 2017
A survey was conducted to identify the types and relative abundance of predatory arthropods associated with Panonychus ulmi in 21 Ohio apple orchards. Mite populations were sampled by leaf brushing, and insects and spiders were sampled by limb jarring. A
Welty, Celeste
core   +2 more sources

Trichome Independent Resistance against Western Flower Thrips in Tomato [PDF]

open access: yesPlant and Cell Physiology, 2019
Western flower thrips (WFT) are a major pest on many crops, including tomato. Thrips cause yield losses, not only through feeding damage, but also by the transmission of viruses of which the Tomato Spotted Wilt Virus is the most important one. In cultivated tomato, genetic diversity is extremely low, and all commercial lines are susceptible to WFT ...
Bac, J.A.   +7 more
openaire   +3 more sources

Competitive Interactions Between Generalist Predators and Their Effects on Shared and Non‐Shared Pests in a Greenhouse Crop

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Orius laevigatus engages in unidirectional intraguild predation on Transeius montdorensis. Despite this, both predators coexisted and suppressed the shared thrips prey. Aphids, a non‐shared prey, were effectively controlled by O. laevigatus even when its population was limited due to intraguild predation. T.
Angelos Mouratidis   +3 more
wiley   +1 more source

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