Search Results - "Hoffmann, M.P."

Linking modelling and experimentation to better capture crop impacts of agroclimatic extremes—A review by Rötter, R.P., Appiah, M., Fichtler, E., Kersebaum, K.C., Trnka, M., Hoffmann, M.P

“…•Concentration on drought, heat, and three major staples increased over time.•CERES-DSSAT and APSIM predominate in modelling studies.•Targeted experiments are…”
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Progress in modelling agricultural impacts of and adaptations to climate change by Rötter, RP, Hoffmann, MP, Koch, M, Müller, C

“…•Most progress in assessing agricultural impacts was made by using ensemble modelling.•Distinct crop model improvements were made in the response or cereals to…”
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Effects of environmental drivers and irrigation on yields of macadamia orchards along an altitudinal gradient in South Africa by Bringhenti, T., Joubert, E., Abdulai, I., Hoffmann, M.P., Moriondo, M., Taylor, P.J., Roetter, R.P.

“…•The mechanisms underlying macadamia yield variability require better understanding.•We quantified the impact of environmental factors & irrigation on…”
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What determines a productive winter bean-wheat genotype combination for intercropping in central Germany? by Nelson, W.C.D., Siebrecht-Schöll, D.J., Hoffmann, M.P., Rötter, R.P., Whitbread, A.M., Link, W.

“…•Marginal site proved more favourable for intercropping.•Limited leaf area index, canopy height and lodging are key traits for high performing winter…”
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Testing pearl millet and cowpea intercropping systems under high temperatures by Nelson, W.C.D., Hoffmann, M.P., Vadez, V., Roetter, R.P., Whitbread, A.M.

“…•Sole pearl millet responded positively to increases in plant density and appeared to be well adapted to high temperatures and limited water…”
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The benefits of conservation agriculture on soil organic carbon and yield in southern Africa are site-specific by Swanepoel, C.M., Rötter, R.P., van der Laan, M., Annandale, J.G., Beukes, D.J., du Preez, C.C., Swanepoel, L.H., van der Merwe, A., Hoffmann, M.P.

“…•Presentation of unique results from 6 and 8 year CA field trials in South Africa.•In clay soils, SOC increased from 54.9 to 57.6 t ha−1 under reduced…”
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Crop modelling based analysis of site-specific production limitations of winter oilseed rape in northern Germany by Hoffmann, M.P., Jacobs, A., Whitbread, A.M.

“…•Calibration of the APSIM canola model for winter oilseed rape production in Europe.•Good match between model and field results (yield, biomass, LAI, N-uptake,…”
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Assessing crop model improvements through comparison of sorghum (sorghum bicolor L. moench) simulation models: A case study of West African varieties by Akinseye, F.M, Adam, M., Agele, S.O, Hoffmann, M.P., Traore, P.C.S, Whitbread, A.M.

“…Better defining niches for the photoperiod sensitive sorghum (Sorghum bicolor L. Moench) varieties of West Africa into the local cropping system might help to…”
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Application of synthetic sex pheromone for management of diamondback moth, Plutella xylostella, in cabbage by Schroeder, P.C., Shelton, A.M., Ferguson, C.S., Hoffmann, M.P., Petzoldt, C.H.

“…Over a 2‐year period field trials were conducted to assess the potential to disrupt mating ofPlutella xylostella (L.) using a commercial rope formulation of a…”
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Expected effects of climate change on the soil organic matter content related to contrasting agricultural management practices based on a crop model ensemble for locations in Czechia by Pohanková, E., Hlavinka, P., Kersebaum, K.C., Nendel, C., Rodríguez, A., Balek, J., Dubrovský, M., Gobin, A., Hoogenboom, G., Moriondo, M., Olesen, E.J., Rötter, R., Ruiz-Ramos, M., Shelia, V., Stella, T., Hoffmann, M.P., Takáč, J., Eitzinger, J., Dibari, C., Ferrise, R., Bohuslav, J., Bláhová, M., Trnka, M.

“…The organic matter stored in soils is a major carbon pool with fundamental importance for the global atmospheric carbon balance. Its decomposition contributes…”
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Simulating medium-term effects of cropping system diversification on soil fertility and crop productivity in southern Africa by Hoffmann, M.P., Swanepoel, C.M., Nelson, W.C.D., Beukes, D.J., van der Laan, M., Hargreaves, J.N.G., Rötter, R.P.

“…•APSIM tested against six and eight-year crop rotation trials in southern Africa.•Effect of diversification on average productivity, yield trends, soil carbon…”
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How does inter-annual variability of attainable yield affect the magnitude of yield gaps for wheat and maize? An analysis at ten sites by Hoffmann, M.P., Haakana, M., Asseng, S., Höhn, J.G., Palosuo, T., Ruiz-Ramos, M., Fronzek, S., Ewert, F., Gaiser, T., Kassie, B.T., Paff, K., Rezaei, E.E., Rodríguez, A., Semenov, M., Srivastava, A.K., Stratonovitch, P., Tao, F., Chen, Y., Rötter, R.P.

“…Provision of food security in the face of increasing global food demand requires narrowing of the gap between actual farmer's yield and maximum attainable…”
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Yield gap analysis in oil palm: Framework development and application in commercial operations in Southeast Asia by Hoffmann, M.P., Donough, C.R., Cook, S.E., Fisher, M.J., Lim, C.H., Lim, Y.L., Cock, J., Kam, S.P., Mohanaraj, S.N., Indrasuara, K., Tittinutchanon, P., Oberthür, T.

“…Narrowing the gap between actual and attainable yields in existing oil palm plantations is perceived as a key to fulfill the growing global demand for…”
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Simulating potential growth and yield of oil palm (Elaeis guineensis) with PALMSIM: Model description, evaluation and application by Hoffmann, M.P., Castaneda Vera, A., van Wijk, M.T., Giller, K.E., Oberthür, T., Donough, C., Whitbread, A.M.

“…•A physiological oil palm model, called PALMSIM, was developed.•It simulates potential oil palm growth for 30years on a monthly time step.•It was tested…”
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Effects of best management practices on dry matter production and fruit production efficiency of oil palm by Tao, H.H., Donough, C., Hoffmann, M.P., Lim, Y.L., Hendra, S., Rahmadsyah, Abdurrohim, G., Indrasuara, K., Lubis, A., Dolong, T., Oberthür, T.

“…•A four-year field trial in oil palm plantations at six study sites across Indonesia.•Best management practices (BMP) were compared to standard estate…”
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Evaluation of an onion thrips pest management program for onions in New York by Hoffmann, M.P., Petzoldt, C.H., MacNeil, C.R., Mishanec, J.J., Orfanedes, M.S., Young, D.H.

“…An integrated pest management (IPM) program which includes sampling plans and treatment thresholds for onion thrips has been developed for use in New York…”
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Evaluation of corn leaf aphid ( Rhopalosiphum maidis; Homoptera: Aphididae) honeydew as a food source for the egg parasitoid Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) by Fuchsberg, Jeff R., Yong, Tze-Hei, Losey, John E., Carter, Maureen E., Hoffmann, Michael P.

“…The effect of honeydew produced by the corn leaf aphid, Rhopalosiphum maidis (Homoptera: Aphididae), on the longevity and parasitism performance of the egg…”
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Odor specificity testing in the assessment of efficacy and non-target risk for Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) by Yong, T.H, Pitcher, S, Gardner, J, Hoffmann, M.P

“…Trichogramma ostriniae Pang and Chen (Hymenoptera: Trichogrammatidae) is an indigenous egg parasitoid of Ostrinia furnacalis Guenee (Lepidoptera: Crambidae) in…”
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Vittatalactone, a beta-lactone from the striped cucumber beetle, Acalymma vittatum by Morris, B.D, Smyth, R.R, Foster, S.P, Hoffmann, M.P, Roelofs, W.L, Franke, S, Francke, W

“…A novel beta-lactone, vittatalactone (1), was isolated from collections of airborne volatile compounds from feeding male striped cucumber beetles, Acalymma…”
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Habitat Selection by the Introduced Biological Control Agent Trichogramma ostriniae (Hymenoptera: Trichogrammatidae) and Implications for Nontarget Effects by Yong, Tze-Hei, Hoffmann, Michael P

“…Trichogrammatid wasps are used widely as biocontrol agents against a variety of lepidopteran pests. However, the broad physiological host range of most…”
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