Results 51 to 60 of about 7,216 (233)

Potential phytotoxic and shading effects of invasive Fallopia (Polygonaceae) taxa on the germination of dominant native species [PDF]

open access: yes, 2011
Two species of the genus Fallopia (F. sachalinensis, F. japonica, Polygonaceae) native to Asia, and their hybrid (F. ×bohemica), belong to the most noxious plant invaders in Europe.
Jarošík, Vojtěch   +3 more
core   +2 more sources

Fitness costs associated with Vip3Aa resistance on various hosts in Helicoverpa zea

open access: yesPest Management Science, EarlyView.
Significant fitness costs associated with Vip3Aa resistance in H. zea were observed across three non‐Bt hosts. Abundant non‐Bt refuges could help limit the spread of Vip3Aa resistance in H. zea in the field. Abstract BACKGROUND Transgenic crops containing Bacillus thuringiensis (Bt) proteins are crucial for managing major agricultural pests such as the
Haley Kennedy   +3 more
wiley   +1 more source

The Role of Silicon in Antiherbivore Phytohormonal Signalling

open access: yesFrontiers in Plant Science, 2019
The role of plant silicon (Si) in the alleviation of abiotic and biotic stress is now widely recognised and researched. Amongst the biotic stresses, Si is known to increase resistance to herbivores through biomechanical and chemical mechanisms, although ...
Casey R. Hall   +4 more
doaj   +1 more source

Phytotoxic Effects of Cinnamic Acid on Cabbage (Brassica oleracea var. capitata) [PDF]

open access: yes, 2013
The present study deals with the effects of exogenous application of cinnamic acid (CA) on growth and metabolism in growing seedlings of Brassica oleracea var. capitata (cabbage) in hydroponic culture.
Amist, N.   +3 more
core  

Nutritional and Defensive Chemistry of Three North American Ash Species: Possible Roles in Host Performance and Preference by Emerald Ash Borer Adults [PDF]

open access: yes, 2018
Black ash (Fraxinus nigra), green ash (F. pennsylvanica), and white ash (F. americana) are the three most abundant ash species in the northeastern USA.
Chen, Yigen, Poland, Therese M
core   +3 more sources

Leaf Extracts of Coffea racemosa Inhibit Trypsin Activity and Affect Larval Development in Spodoptera frugiperda and Diatraea saccharalis

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Leaf extracts of Coffea racemosa inhibit digestive trypsins and impair the development of two major lepidopteran pests, Spodoptera frugiperda and Diatraea saccharalis. While both species showed significant enzymatic inhibition, biological responses differed markedly. D. saccharalis exhibited high mortality, whereas S.
Nicole de Paula Souza   +3 more
wiley   +1 more source

Overview of the Invasive Weed Species Eriochloa villosa (Thunb.) Kunth and Its Management in Europe

open access: yesAgriculture
The wooly cupgrass (Eriochloa villosa) is an invasive weed species originating from East Asia that rapidly expanded into agricultural and disturbed land.
Sandra Florina Lele   +7 more
doaj   +1 more source

Resistance of tomato genotypes with high level of acylsugars to Tetranychus evansi Baker & Pritchard Resistência de genótipos de tomateiro com alto teor de acilaçúcares a Tetranychus evansi Baker & Pritchard

open access: yesScientia Agricola, 2008
The Lycopersicon pennellii accession LA716 has been used as a source of arthropod pest resistance in tomato breeding programs due the high contents of acylsugars presents in its leaflets.
Juliano Tadeu Vilela de Resende   +5 more
doaj   +1 more source

Development of an Artificial Liquid Diet for Allelochemical Delivery in Lycorma delicatula

open access: yesJournal of Applied Entomology, EarlyView.
ABSTRACT Spotted lanternfly, Lycorma delicatula White (Hemiptera: Fulgoridae), is an invasive phloem‐feeding planthopper native to Asia, which poses a growing threat to US agriculture due to its broad host range and rapid spread since its 2014 detection. To better understand how L.
Brian F. Ruether   +5 more
wiley   +1 more source

The Impact of Life History Traits and Defensive Abilities on the Invasiveness of Ulex europaeus L.

open access: yesDiversity
Ulex europaeus L. has been introduced into many countries as an ornamental and hedgerow plant, and it often escapes its intended location, establishing dense, feral thickets. These thickets threaten the structure and function of native flora and fauna in
Hisashi Kato-Noguchi, Midori Kato
doaj   +1 more source

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