Results 111 to 120 of about 37,405 (281)
Bedeutung und Bekämpfung von Schadinsekten an Winterweizen und Winterraps in Schleswig-Holstein, 1999-2001, und der Trend der Insektizid-Behandlungen von 1999-2004 [PDF]
In the average of 1999 to 2004 winter wheat covered 64 % of the agricultural land of Schleswig-Holstein (331.000 ha), winter oilseed rape 31 %. These two important crops (covering 95 % of the acreage) were attacked in 1999 to 2001 by a) wheat: cereal ...
Basedow, Thies, Kirch, Gerd
core
Control of Aphids on Spring Oats and Winter Wheat With Slow Release Granular Systemic Insecticides [PDF]
Aphid infestations (Homoptera: Aphididae) on spring oat (Avena sativa) cv. \u27Ogle\u27, and during the fall on winter wheat (Triticum aestivum) cv.
Araya, Jaime E, Cambron, Sue E
core +3 more sources
Interactions involving host plants (cowpea, groundnut, cotton, sunflower, greengram, blackgram) an insect herbivore, black legume aphid Aphis craccivora Koch (Hemiptera: Aphididae) and a predator, the zigzag beetle Cheilomenes sexmaculata (Fabricius ...
Snehasish ROUTRAY +1 more
doaj +1 more source
Morphometric variation of individuals in field collected samples of the Hyalopterus pruni complex from various Prunus species and regions of Greece was examined, to determine whether this variation is correlated with the host-trees from which the aphids ...
Konstantinos D. POULIOS +2 more
doaj +1 more source
Aphis fabae and Myzus persicae (Hemiptera: Aphididae) are insect pests that damage sugar beet and bean crops. Both are responsible for losses in yield and transmission of viral diseases, and may be present on the same host at the same time.
Loulou ALBITTAR +3 more
doaj +1 more source
The relative proportions of free amino acids as well as the amino acid compositions of hydrolysed unprecipitated peptides and hydrolysed whole carcasses were quantified for two aphid species: the gall-dwelling social aphid Pemphigus spyrothecae and the ...
Nathan PIKE
doaj +1 more source
RAPD PCR Confirms Absence of Genetic Variation Between Insecticide Resistant Variants of the Green Peach Aphid, \u3ci\u3eMyzus Persicae\u3c/i\u3e (Homoptera: Aphididae) [PDF]
Previous allozyme analysis has revealed an apparent absence of enzyme variability in the green peach aphid, Myzus persicae (Sulzer). We are interested in determining the genetic relatedness of individual M persicae clones carrying different numbers of ...
Al-Aboodi, A., Ffrench-Constant, R. H
core +2 more sources
APHIDS ON MEDICINAL AND AROMATIC PLANTS IN EGYPT (HEMIPTERA: APHIDIDAE) [PDF]
Reham Essam +3 more
openalex +1 more source
Abundance of Coccinellids and Their Potential Prey in Field-Crop and Grass Habitats in Eastern South Dakota [PDF]
A rich fauna of coccinellids occurs in eastern South Dakota, but the abundance of some species has declined in association with the establishment of an exotic lady beetle, Coccinella septempunctata (L.) (Coleoptera: Coccinellidae), in the mid-1980s.
Ellsbury, Michael M +2 more
core +2 more sources
Urban gardens can harbour a high diversity of insects, which are critically important components of urban ecosystems. In this work, we investigate the richness and diversity of a major taxon of economic and ecological importance, the aphids (Hemiptera ...
Elise A. ROCHA +6 more
doaj +1 more source

