Brevicoryne Brassicae
Extended phylogenetic analysis of a new Israeli isolate of Brevicoryne brassicae virus (BrBV IL) suggests taxonomic revision of the genus Iflavirus
... In the 1990s, aphid-infecting viruses were discovered and characterized; most of them contained an RNA genome. The Cripavirus genus (family Dicistroviridae ) includes two aphid viruses: Rhopalosiphum padi virus (RhPV) ...
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Evaluierung von Brassicaceae auf Resistenz gegen die Mehlige Kohlblattlaus (Brevicoryne brassicae) als Basis zur Nutzung blattlausresistenter Kohlsorten für den ökologischen Landbau
... Durch Erweiterung der vorhandenen Stammzucht konnte sehr schnell eine kontinuierliche Dauerzucht der Mehligen Kohlblattlaus Brevicoryne brassicae auf der Blumenkohlsorte "Snowball" aufgebaut werden. ...
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Pesticidal Properties Of Chive (Allium Schoenoprasum)Against Cabbage Aphid (Brevicoryne Brassicae) In Rape (Brassica Napus)
... Zimbabwe, for example,Chiredzi, which mostly experiences high summer temperatures, unreliable and unpredictable rainfall. Some smallholder farmers make a living from the crop Mashonaland Province of the country (Jackson, ...
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Desempenho de extratos aquosos de Solanum fastigiatum var acicularium Dunal (Solanaceae) no manejo de Brevicoryne brassicae Linnaeus (Hemiptera: Aphididae)
... The objective of this study was to investigate the efficience of jurubeba (Solanum fastigiatum var. acicularium) extracts in the cabbage-aphid (Brevicoryne brassicae) control in field cabbage crops ...
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Efficacy of some Medicinal Plant Oils against Cabbage Aphid, Brevicoryne brassicae L. On Cabbage
... population was also observed in control plots. Mean of per cent reduction in aphid population was also computed in Table 2. It clearly shows that among all treatments, Cymbopogon citrates (85.25%) was found most ...
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Brevicoryne brassicae aphids interfere with transcriptome responses of Arabidopsis thaliana to feeding by Plutella xylostella caterpillars in a density‑dependent manner
... monarch caterpillars (Danaus plexippus) (Ali et al. 2014), Brevicoryne brassicae aphids developed faster on cabbage plants previously infested by Pieris brassicae caterpil- lars (Soler et al. 2012). ...
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Impact of Irrigation Systems on Seasonal Occurrence of Brevicoryne brassicae and Its Parasitism by Diaeretiella rapae on Canola
... Akhtar, M. S., Dey, D., Usmani, M. K., Choudhury, R. A., 2010, Seasonal abundance of Diaretiella Rapae (M´intosh) (Braconidae: Aphidiinae) parasitizing Lipaphis Erysimi (Kaltenbach) (Hemiptera: Aphididae) in Brassica ...
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Susceptibility of Myzus persicae, Brevicoryne brassicae and Nasonovia ribisnigri to fungal biopesticides in laboratory and field experiments
... B. brassicae has not yet been a problem in Europe, although resistance has been reported elsewhere [24] and there is a risk that over-reliance on a small number of pesticide types will increase the selection ...
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Chemical Compatibility of Insecticides and Fungicides/ Bactericide on Cabbage aphid – Brevicoryne brassicae
... It is clearly evident from the results that the overall efficacy over the untreated control clearly showed that the combinations containing spinosad + metalaxyl MZ, spinosad + copper oxychloride and spinosad + ...
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Reproductive behaviour and fitness trade offs in the aphid parasitoid Diaeretiella rapae (Hymenoptera: Aphidiidae) : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy (Ph D ) in Plant Science (Entomology) at Massey University, Palmerston North, New Zealand
... Optimal foraging and game theories (Stephens & Krebs 1986; Hammerstein & Selten 1994; Perry & Pianka 1997) predict that natural selection will favour parasitoid behaviour that maximises their fitness. If a ...
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Trophic Relationships of Aphid Hyperparasitoids (Hymenoptera) in Costa Rica
... Alloxysta brassicae and Pachyneuron aphidis were the most common hyperparasitoids reared from aphids on tomato; Asaphes vulgaris and Dendrocerus ...aphid Brevicoryne brassicae were, in order of ...
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Biologische Kontrolle von Eulenraupen im Kohl mittels Baculoviren
... von MbMNPV für L2-Larven lag mit 9,2 x 10 4 OBs/ml um den Faktor 4 höher als die von Ma- coNPV mit 2,3 x 10 4 OBs/ml. Aus dem Vergleich der Vertrauensgrenzen sowie der Steigung der Wirkungsgeraden kann jedoch geschlossen ...
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Applications of Various Metal Complexes of Schiff Bases
... Alternaria brassicae, Aspergillus niger and Fusari- um oxysprum and results indicate that the complexes show the enhanced activity in comparison to free ligand 27 ...
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Oxygen convective uptakes in gas exchange cycles in early diapause pupae of Pieris brassicae
... Special techniques are required to record PSV during microopening of the spiracles in the F phase. Schneiderman used cannulated spiracles to measure partial pressure and thus described the rhythms of passive air uptake ...
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Laboratory and field investigations of the role of entomopathogenic fungi in regulating aphid populations in field brassica crops
... 132 4.2.3.5 Effect of temperature on the virulence of P. neoaphidis to B. brassicae Each bioassay was set up as follows: three plugs of P. neoaphidis mycelium (6- 7mm ø) were taken from the leading edge of a ...
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Chemical Compatibility of Insecticides and Fungicides/ Bactericide on Cabbage Leaf spot, Alternaria brassicae
... A. brassicae and also recorded highest ...A. brassicae and recorded >70% reduction over control and also recorded best ...A. brassicae and recorded >70% reduction over control ...
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Alterations in the predicted regulatory and coding regions of the sterol 14alpha-demethylase gene (CYP51) confer decreased azole sensitivity in the oilseed rape pathogen Pyrenopeziza brassicae
... P. brassicae in the ...P. brassicae isolates with reduced azole sensitivity, and show that changes in other (unknown) genes can contribute to decreases in ...P. brassicae populations has caused the ...
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Wirkung von Einflugbarrieren gegen die Kohldrehherzmücke Contarinia nasturtii und die Kleine Kohlfliege Delia brassicae in biologischem Kohlrabi
... (Delia brassicae), die Tigerfliege (Coenosia tigrina) und die Möhrenfliege (Psila rosae) entwickelt (siehe Literatur) und bieten gegenüber der bekannten Kulturschutznetzen einige entschei- dende Vorteile: ...
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Draft genome sequence of Bacillus amyloliquefaciens HB-26
... SDS-PAGE analysis showed this strain secreted six major protein bands of 65, 60, 55, 34, 25 and 20 kDa. A bioassay of this strain reveals that it shows specific activity against P. brassicae and nematode. Here we ...
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Clubroot caused by Plasmodiophora brassicae Wor : a review of emerging serious disease of oilseed rape in the Czech Republic
... The geographic pattern of P. brassicae distribution is not probably connected with any special environ- mental feature like soil type or climate conditions. The spread of clubroot is mainly historical, because of ...
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