Results 21 to 30 of about 1,780 (198)
Infection of cereal aphids by the fungus Entomophthora
Annals of Applied Biology, 1973 SUMMARYThree species of Entomophthora killed many Metopolophium dirhodum, M. festucae and Sitobion avenae on wheat at Harpenden, Hertfordshire, in 1971. Rainfall was low and aphid numbers were small in May and there was no Entomophthora infection. E. planchoniana first infected M. dirhodum early in June and the percentage of each aphid species infected
Dean, G. J. W., Wilding, N.
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Plant Protection Science, 2004 The abundance of cereal aphids on winter wheat tillers and ears was determined in two field managements (integrated and ecological) at Dolná Malanta, Slovakia, over the years 1999-2001.
Ján Praslička, Timotej Miština
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Irish Journal of Agricultural and Food Research, 2022 The objective of this study was to observe the response of the bird cherry oat aphid, Rhopalosiphum padi (Linnaeus, 1758) to field rate equivalents of insecticides, by using bioassays of vials coated with the pyrethroid, λ-cyhalothrin.
A. George +7 more
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Studies on Polyphagous Predators of Cereal Aphids
The Journal of Applied Ecology, 1979 1. Experiments were done in fields of winter wheat at North Farm, West Sussex, and at Rothamsted in 1978 to investigate the effect of predation by carabid beetles and other polyphagous preadtors on populations of cereal aphids. 2. Predator populations were manipulated by pitfall trapping within plot surrounded by polythene barriers and by applying an ...
Edwards, C. A. +2 more
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Genome of Russian wheat aphid an economically important cereal aphid
Standards in Genomic Sciences, 2017 AbstractAlthough the hemipterans (Aphididae) are comprised of roughly 50,000 extant insect species, only four have sequenced genomes that are publically available, namely Acyrthosiphon pisum (pea aphid), Rhodnius prolixus (Kissing bug), Myzus persicae
Nicolaas Francois Visser Burger +1 more
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Estimating Economic Thresholds and Economic Injury Levels for Schizaphis graminum (Rond.) and Sitobion avenae Fab. Infesting Wheat Plants in Najaf Government, Iraq [PDF]
Journal of Plant Protection and PathologyWheat (Triticum aestivum L.) is a vital cereal crop in Iraq and worldwide, but its productivity is threatened by cereal aphids, particularly Schizaphis graminum and Sitobion avenae.
M. Ragab +4 more
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Genetic Resources of Cereal Crops for Aphid Resistance
Plants, 2022 The genetic resources of cereal crops in terms of resistance to aphids are reviewed. Phytosanitary destabilization led to a significant increase in the harmfulness of this group of insects. The breeding of resistant plant genotypes is a radical, the cheapest, and environmentally safe way of pest control.
Evgeny E. Radchenko +2 more
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Effect of chlorophenoxy herbicides residues on probing behavior of cereal aphid
Agronomy Science, 2018 Chlorophenoxyacetic herbicides such as 4-chloro-2-methylphenoxyacetic acid (MCPA) and 2,4-dichlorophenoxyacetic acid (2,4-D) are used for cereal protection.
ROBERT KRZYŻANOWSKI +2 more
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Prevalent Pest Management Strategies for Grain Aphids: Opportunities and Challenges
Frontiers in Plant Science, 2022 Cereal plants in natural ecological systems are often either sequentially or simultaneously attacked by different species of aphids, which significantly decreases the quality and quantity of harvested grain.
Kun Luo +4 more
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Detoxification of Gramine by the Cereal Aphid Sitobion avenae [PDF]
Journal of Chemical Ecology, 2009 Secondary metabolites play an important role in host plant resistance to insects, and insects, in turn, may develop mechanisms to counter plant resistance mechanisms. In this study, we investigated the toxicity of gramine to the cereal aphid Sitobion avenae and some enzymatic responses of S. avenae to this alkaloid. When S.
Cai, Qing-Nian +5 more
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