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Article
Enhancing septoria leaf blotch forecasts in winter wheat I: the effect of temperature on the temporal distance between critical rainfall periods and the breaking of the control threshold
In integrated pest management (IPM), pests are controlled when the costs of control correspond with the damage caused by a pest on a monetary scale, implying that low pest levels are left uncontrolled. Several...
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Article
Open AccessEnhancing septoria leaf blotch forecasts in winter wheat II: model architecture and validation results
In precision agriculture, pesticides and other inputs shall be used precisely when (and where) they are needed. European Directive 2009/128/EC calls for respecting the principles of integrated pest management ...
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Article
The debate on a loss of biodiversity: can we derive evidence from the monitoring of major plant pests and diseases in major crops?
The European commission directive EC 128/2009 calls for monitoring pests and pathogens of major crops. The monitoring data may be analysed for trends over time, including tests for a potential loss of biodiver...
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Article
BotRisk: simulating the annual bunch rot risk on grapevines (Vitis vinifera L. cv. Riesling) based on meteorological data
The aim of the present investigations was to simulate the annual risk of bunch rot (Botrytis cinerea) on Vitis vinifera L. cv. Riesling grapes based on three long-term (n = 3 × 7 = 21 cases) assessment data sets ...
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Article
Natural compounds for controlling Drosophila suzukii. A review
The drosophilid fly Drosophila suzukii is an invasive pest that has recently started threatening fruit production in Europe. In contrast to many other fruit flies, D. suzukii is able to lay eggs in ripening and m...
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Article
Yellow rust does not like cold winters. But how to find out which temperature and time frames could be decisive in vivo?
Yellow rust epidemics caused by Puccinia striiformis f. sp. tritici were monitored in winter wheat grown without fungicides at four locations over the years 2010–2016 in the Grand Duchy of Luxembourg (GDL) and we...
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Article
Pesticide residue profiles in bee bread and pollen samples and the survival of honeybee colonies—a case study from Luxembourg
Pesticide residues (112 compounds) were quantified by GC-MS/MS or LC-MS/MS in 85 bee bread samples and 154 pollen samples obtained from five apiaries each with three or four colonies (genotype Buckfast) in Lux...
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Article
Composition and evaluation of a novel web-based decision support system for grape black rot control
Black rot on grapevine is a fungal disease caused by Phyllosticta ampelicida (syn. Guignardia bidwellii) affecting grape leaves as well as clusters. A novel black rot decision support system termed VitiMeteo Blac...
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Article
Fractal dimension and shape parameters of asexual Fusarium spores from selected species: Which species can be distinguished?
Fungi of the genus Fusarium are prominent plant pathogens producing various toxic secondary metabolites. Digital microscopic images were taken from the asexual spores of Fusarium avenaceum, F. cerealis, F. culmor...
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Article
A note on the insecticide sensitivity status of Meligethes species (Coleoptera: Nitidulidae) in Luxembourg
Adult pollen beetles, Meligethes spp. (Coleoptera: Nitidulidae), were sampled from 27 and 35 oilseed rape (Brassica napus subsp. oleifera) fields scattered over Luxembourg in 2008 and 2009, respectively. Ten well...
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Article
Evidence for natural resistance towards trifloxystrobin in Fusarium graminearum
A collection of 55 Fusarium graminearum (Gibberella zeae) strains isolated between 1969 and 2009 in Belgium, Canada, Germany, Italy, Luxembourg, or the USA belonging to the three known chemotypes (3-acetylated de...
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Article
Germination of Gibberella zeae ascospores as affected by age of spores after discharge and environmental factors
The effects of age of ascospores (0–18 days after discharge), photon flux density (0–494 μmol m−2 s−1 PAR), temperature (4–30 °C), frost (−15 °C for 30 min), relative humidity (RH; 0–100%), pH (2.5–6.5) and dryne...
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Article
Studies on water transport through the sweet cherry fruit surface: IX. Comparing permeability in water uptake and transpiration
Water uptake and transpiration were studied through the surface of intact sweet cherry (Prunus avium L.) fruit, exocarp segments (ES) and cuticular membranes (CM) excised from the cheek of sweet cherry fruit and ...
