Results 21 to 30 of about 3,312 (209)
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]
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]
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]
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 (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
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
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Insecticidal activity of the crude extract from Epichloë bromicola against Rhopalosiphum padi [PDF]
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
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
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Host choice and host leaving in Rhopalosiphum padi (Hemiptera: Aphididae) emigrants and repellency of aphid colonies on the winter host [PDF]
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
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
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