Results 21 to 30 of about 3,312 (209)

Analysis of the Genetic Diversity of Two Rhopalosiphum Species from China and Europe Based on Nuclear and Mitochondrial Genes

open access: yesInsects, 2023
Population genetic studies can reveal clues about the evolution of adaptive strategies of aphid species in agroecosystems and demonstrate the influence of environmental factors on the genetic diversity and gene flow among aphid populations.
Jianqing Guo   +5 more
doaj   +1 more source

Comparative analysis of the demographic parameters of seven spotted ladybird beetle (Coleoptera: Coccinellidae) reared on various host aphid species [PDF]

open access: yesPeerJ, 2020
Background The demographic parameters of the predacious seven spotted ladybird beetle Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae) reared on the following four host aphid species were compared: Rhopalosiphum padi Linnaeus (Hemiptera ...
Muhammad Farooq   +6 more
doaj   +2 more sources

TPS46, a Rice Terpene Synthase Conferring Natural Resistance to Bird Cherry-Oat Aphid, Rhopalosiphum padi (Linnaeus). [PDF]

open access: yesFront Plant Sci, 2017
Plant terpene synthases (TPSs) are key enzymes responsible for terpene biosynthesis, and can play important roles in defense against herbivore attack. In rice, the protein sequence of TPS46 was most closely related to maize TPS10.
Sun Y   +9 more
europepmc   +2 more sources

SUSCEPTIBILITY OF THREE MAIZE CULTIVARS TO APHID INFESTATION AND EFFECT OF POTASSIUM FERTILIZER LEVELS ON APHID [PDF]

open access: yesJournal of Plant Protection and Pathology, 2006
Susceptibility of the three maize cultivars (Cross 10, Bashair 13 and Watania 4) to aphid infestation was evaluated at EI-Mansoura district, Dakahlia Governorate throughout 2002 and 2003 seasons.
H. Megahed, M. Ibraheem, M. EI-Gindy,
doaj   +1 more source

Rhopalosiphum padi

open access: yes
Rhopalosiphum padi (Linnaeus, 1758) Distribution in Uzbekistan. Tien Shan. In the Namangan region, Toʻraqoʻrgʻon, Mingbuloq, Norin, Chust districts (Khusanov, 2017). Host plants. Juncus gerardii (Juncaceae), Agrostis gigantea, Alopecurus aequalis, Avena sativa, Leymus ramosus, Phleum phleoides, Poa pratensis, Secale cereale, Setaria glauca, Triticum ...
Abdullaev, Ikram   +13 more
  +9 more sources

Effect of the cereal aphid infestation on the oxidative damages of protein in the maize (Zea mays L.)

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2021
We studied the effect of the cereal aphid (the bird cherry-oat aphid Rhopalosiphum padi L. and grain aphid Sitobion avenae F.) infestations on the oxidative damages of protein in the maize (Zea mays L., cultivar Touran) seedlings.
Iwona Łukasik   +2 more
doaj   +1 more source

Insecticidal activity of the crude extract from Epichloë bromicola against Rhopalosiphum padi [PDF]

open access: yesE3S Web of Conferences, 2020
Rhopalosiphum padi is a important pest in agricultural production. In order to reduce the use of chemical pesticides and improve the control effect, we reported the insecticidal activity of the crude extract from 20 strains Epichloë bromicola isolated ...
Guo Zhao-Ling   +3 more
doaj   +1 more source

Áfidos vectores del virus del enanismo amarillo de la cebada (BYDV) en cultivo de trigo en el Paraguay

open access: yesInvestigación Agraria, 2021
El Barley yellow dwarf virus o Virus del Enanismo Amarillo de la Cebada (BYDV) es una de las enfermedades transmitidas por áfidos presente en muchas regiones productoras de trigo del mundo, causando mermas importantes en la producción.
Rebeca González Torres   +3 more
doaj   +1 more source

Host choice and host leaving in Rhopalosiphum padi (Hemiptera: Aphididae) emigrants and repellency of aphid colonies on the winter host [PDF]

open access: yes, 2000
Host choice and winter-host leaving in emigrants of bird cherry–oat aphid, Rhopalosiphum padi (Linnaeus), were investigated in the laboratory. In settling choice tests, emigrants collected from the winter host, Prunus padus, preferred this plant over ...
Glinwood, Robert, Petersson, J.
core   +1 more source

Aphids (Insecta: Hemiptera: Aphididae) of Aligarh region of Uttar Pradesh, India

open access: yesJournal of Threatened Taxa, 2009
Five species of Aphids, Aphis craccivora Koch, Aphis gossypii Glover, Aphis neeri B.d.Fons., Rhopalosiphum padi (Linnaeus) and Rhopalosiphum rufiabdominalis (Sasaki) belonging to the subfamily Aphidinae are reported from Aligarh District.
M.K. Usmani, U. Rafi
doaj   +1 more source

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