Results 11 to 20 of about 703 (185)

Insecticidal Activity of Some Major Essential Oil Components against Metopolophium dirhodum and Its Predators [PDF]

open access: yesPlants
Essential oils (EOs) are plant metabolites with important insecticidal effects. Nevertheless, information on the efficacy of the major substances on aphids and their natural enemies is still missing. The objective of this paper is, therefore, to identify
Roman Pavela, Matěj Novák
doaj   +5 more sources

Dynamics of serious pest of Metopolophium dirhodum (Walk.) (Hemiptera: Aphididae) on shrubs of Rosa rugosa Thunb. [PDF]

open access: yesHerba Polonica, 2017
Introduction: Rose grain aphid (Metopolophium dirhodum Walk.) is one of the most important pests on cereals in Poland. The economic importance of this pest has increased in recent years due to the increase in the area of maize cultivation. M. dirhodum is
Krzyżanowski Robert
doaj   +9 more sources

Wheat Nitrogen Fertilisation Effects on the Performance of the Cereal Aphid Metopolophium dirhodum [PDF]

open access: yesAgronomy, 2012
The effects of five rates of nitrogen fertiliser applications on the performance of the cereal aphid Metopolophium dirhodum on winter wheat, within the range of rates recommended for UK crops, were investigated over two seasons in field-grown crops and ...
Alan F. J. Gash
doaj   +4 more sources

Sequential sampling plan of Metopolophium dirhodum (Hemiptera: Aphididae) in wheat fields [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2011
Sequential sampling plans of rose-grain aphid, Metopolophium dirhodum (Walker) were developed in wheat fields of Jalilabad region of Varamin, Iran. The aphid population was weekly sampled during 2000-2001.
Sh. Shahrokhi, M. Amir-Maafi
doaj   +3 more sources

A Comprehensive Transcriptomic and Proteomics Analysis of Candidate Secretory Proteins in Rose Grain Aphid, Metopolophium dirhodum (Walker) [PDF]

open access: yesCurrent Issues in Molecular Biology
The Rose grain aphid, a notable agricultural pest, releases saliva while feeding. Yet, there is a need for a comprehensive understanding of the specific identity and role of secretory proteins released during probing and feeding.
Atsbha Gebreslasie Gebrekidan   +2 more
doaj   +4 more sources

DYNAMICS OF NUMBER OF Metopolophium dirhodum (Walk.) (Hemiptera, Aphididae) OCCURRING ON SHRUBS OF ROSES IN LUBLIN

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2006
The purpose of the studies was to observe the dynamics of number of Metopolophium dirhodum (Walk.) on rugosa rose, multiflowered rose, park rose cv. ‘Grandhotel’ and different varieties of border roses.
Katarzyna Kmieć
doaj   +3 more sources

Aphids (Homoptera: Aphididae) on Winter Wheat: Predicting Maximum Abundance of Metopolophium dirhodum. [PDF]

open access: yesJ Econ Entomol, 2018
In Central Europe, the most abundant aphid infesting the leaves of small grain cereals is Metopolophium dirhodum (Walker) (Homoptera: Aphididae). Annual variation in its seasonal dynamics was evaluated using a 25-yr series of standardized weekly censuses of winter wheat plots. M. dirhodum made up >50 % of the aphids on the foliage. Date of immigration (
Honek A   +3 more
europepmc   +8 more sources

The effect of heat stress on the survival of the rose grain aphid, Metopolophium dirhodum (Hemiptera: Aphididae) [PDF]

open access: yesEuropean Journal of Entomology, 2004
The rose grain aphid, Metopolophium dirhodum (Walker) (Hemiptera: Aphididae) is one of the three most important cereal aphid species in Europe. High temperature is detrimental for the survival of this species.
Chun-Sen Ma
exaly   +4 more sources

The Sensitivity of Field Populations of Metopolophium dirhodum (Walker) (Hemiptera: Aphididae) to Seven Insecticides in Northern China

open access: yesAgronomy, 2021
Insect pests are primarily controlled by insecticides. However, the sensitivity decreases and insecticide resistance is problematic for the effective management of agriculturally important insects, including Metopolophium dirhodum, which is an aphid that
Peipan Gong   +11 more
doaj   +2 more sources

Corrigendum: Effects of imidacloprid-induced hormesis on the development and reproduction of the rose-grain aphid Metopolophium dirhodum (Hemiptera: aphididae) [PDF]

open access: yesFrontiers in Physiology, 2023
Xinan Li   +9 more
doaj   +2 more sources

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