Christian Andreasen

Christian Andreasen

Associate Professor

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    ORCID: 0000-0003-0844-141X

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    1. Published

      Measuring height of red fescue (Festuca rubra) plots using drone imagery

      Andreasen, Christian, Bitarafan, Z., Azim, Saiful & Rasmussen, Jesper, 2019, Improving sown grasslands through breeding and management: Proceedings of the Joint 20th Symposium of the European Grassland Federation and the 33rd Meeting of the EUCARPIA Section "Fodder Crops and Amenity Grasses". Huguenin-Elie, O., Studer, B., Kölliker, R., Reheul, D., Probo, M., P. B., Feuerstein, U., Roldán-Ruiz, I., Mariotte, P. & Hopkins, A. (eds.). p. 342 1 p. (Grassland Science in Europe, Vol. 24).

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    2. Published

      Differential sowing time of turfgrass species affects the establishment of mixtures

      Andreasen, Christian, Larsen, S. U. & Kristoffersen, P., 2004, In: Crop Science. 44, p. 1315-1322 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      The effect of ultraviolet radiation on the fresh weight of some weeds and crops

      Andreasen, Christian, Hansen, L. & Streibig, Jens Carl, 1999, In: Weed Technology. 13, p. 554-560 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Prescribed Burning as A Management Tool to Destroy Dry Seeds of Invasive Conifers in Heathland in Denmark

      Andreasen, Christian, Rossing, K. & Ritz, C., 2020, In: Land. 9, 11, 12 p., 432.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. Published

      How does laser irradiation affect weed seeds?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 63).

      Research output: Book/Report › Report › Research

    6. Published

      Crop and soil factors of importance for the distribution of plant species on arable fields in Denmark

      Andreasen, Christian & Skovgaard, I., 2009, In: Agriculture, Ecosystems & Environment. 133, 1-2, p. 61-67 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      Decreasing diversity in the soil seed bank after 50 years in Danish arable fields

      Andreasen, Christian, Jensen, H. A. & Jensen, Signe Marie, 2018, In: Agriculture, Ecosystems & Environment. 259, p. 61-71 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      The effect of fertilizer level and foliar-applied calcium on seed production and germination of Gerbera hybrida

      Andreasen, Christian, Kemezys, A. H. & Müller, Renate, 2014, In: HortScience. 49, 5, p. 538-543 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      Evaluation of changes in weed flora in arable fields of Nordic countries - based on danish long-term surveys

      Andreasen, Christian & Streibig, Jens Carl, 2011, In: Weed Research. 51, 3, p. 214-226 13 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      How do laser beams affect larvae?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 44).

      Research output: Book/Report › Report › Research

    11. Published

      Weed control with UV-radiation

      Andreasen, Christian, Hansen, L. & Streibig, Jens Carl, 1999. 1 p.

      Research output: Contribution to conference › Paper › Research

    12. Published

      Seed shattering of Bromus hordeaceus L. during the growing season of winter wheat

      Andreasen, Christian & Bitarafan, Z., Mar 2019.

      Research output: Contribution to conference › Poster › Research › peer-review

    13. Published

      How do laser beams affect ladybugs?

      Andreasen, Christian, 2023, WeLASER. 1 p. (Practice Abstract; No. 43).

      Research output: Book/Report › Report › Research

    14. Published

      Relationship between Crops, Weeds and Soil Factors: a Phytosociological Study

      Andreasen, Christian & Skovgaard, I. M., 2008, 5th International Weed Science Congress: Weeds - local problems/global challenge. WSSA, p. 136-137 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    15. Published

      Changes in abundance and diversity of wild species in grass fields in Denmark

      Andreasen, Christian, Stryhn, H. & Andresen, L. C., 2010, Grassland in a changing world. Schnyder, H., Isselstein, J., Taube, F., Auerswald, K., Schellberg, J., Wachendorf, M., Herrmann, A., Gierus, M., Wrage, N. & Hopkins, A. (eds.). European Grassland Federation, p. 33-35 3 p. (Grassland Science in Europe, Vol. 15).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    16. Published

      Using drone imagery to estimate lodging in red fescue (Festuca rubra)

      Andreasen, Christian, Bitarafan, Z., Westergaard, Jesper Cairo & Rasmussen, Jesper, 2019, Improving sown grasslands through breeding and management. Huguenin-Elie, O., Studer, B., Kölliker, R., Regeul, D., Probo, M., Barre, P., Feuerstein, U., Roldán-Ruiz, I., Mariotte, P. & Hopkins, A. (eds.). Wageningen Academic Publishers, p. 309-311 (Grassland Science in Europe, Vol. 24).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    17. Published

      Laser weed seed control: challenges and opportunities

      Andreasen, Christian, Vlassi, Eleni, Salehan, N., Johannsen, K. S. & Jensen, Signe Marie, 2024, In: Frontiers in Agronomy. 6, 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Managing farmland flora to promote biodiversity in Europe

      Andreasen, Christian & Andresen, L. C., 2011, In: CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources. 6, 047, 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      A new method to evaluate the weed-suppressing effect of mulches: a comparison between spruce bark and cocoa husk mulches

      Arentoft, B. W., Ali, A., Streibig, Jens Carl & Andreasen, Christian, 2013, In: Weed Research. 53, 3, p. 169-175 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Use of image analysis to assess color response on plants caused by herbicide application

      Asif, A., Streibig, Jens Carl, Duus, J. & Andreasen, Christian, 2013, In: Weed Technology. 27, 3, p. 604-611 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. Published

      Image-based thresholds for weeds in maize fields

      Asif, A., Streibig, Jens Carl, Christensen, Svend & Andreasen, Christian, 2015, In: Weed Research. 55, 1, p. 26-33 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      Estimation of weeds leaf cover using image analysis and its relationship with fresh biomass yield of maize under field conditions

      Asif, A., Streibig, Jens Carl, Christensen, Svend & Andreasen, Christian, 2011, HAICTA 2011: 5th International Conference on Information and Communication Technologies in Agriculture, Food and Environment. Salampasis, M. & Matopoulos, A. (eds.). Hellenic Association of Information and Communication Technology in Agriculture, Food and Environment (HAICTA), Vol. 1. p. 41-49 9 p.

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    23. Published

      Yield loss prediction models based on early estimation of weed pressure

      Asif, A., Streibig, Jens Carl & Andreasen, Christian, 2013, In: Crop Protection. 53, p. 125-131 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      A Sensor-Based Decision Model for Precision Weed Harrowing

      Berge, T. W., Urdal, F., Torp, T. & Andreasen, Christian, 2024, In: Agronomy. 14, 1, 14 p., 88.

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      Prediction of yield loss caused br Orobanche spp. in carrot and pea crops based on the soil seedbank

      Bernhard, R. H., Jensen, J. E. & Andreasen, Christian, 1998, In: Weed Research. 38, p. 191-197 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    26. Published

      Intercropping fenugreek (Trigonella foenum‐graecum L.) and barley (Hordeum vulgare L.) with and without biochar: Tests along a competition gradient

      Bitarafan, Z., Jensen, Signe Marie, Liu, Fulai & Andreasen, Christian, 2019, In: Journal of Agronomy and Crop Science. 205, 1, p. 99-107

      Research output: Contribution to journal › Journal article › Research › peer-review

    27. Published

      Seed retention of ten common weed species at oat harvest reveals the potential for harvest weed seed control

      Bitarafan, Z. & Andreasen, Christian, 2020, In: Weed Research. 60, 5, p. 343-352

      Research output: Contribution to journal › Journal article › Research › peer-review

    28. Published

      Seed production and retention at maturity of blackgrass (Alopecurus myosuroides) and silky windgrass (Apera spica-venti) at wheat harvest

      Bitarafan, Z. & Andreasen, Christian, 2020, In: Weed Science. 68, 2, p. 151-156

      Research output: Contribution to journal › Journal article › Research › peer-review

    29. Published

      Seed Yield and Lodging Assessment in Red Fescue (Festuca rubra L.) Sprayed with Trinexapac-Ethyl

      Bitarafan, Z., Rasmussen, Jesper, Westergaard, Jesper Cairo & Andreasen, Christian, 7 Oct 2019, In: Agronomy. 9, 10, p. 1-9 617.

      Research output: Contribution to journal › Journal article › Research › peer-review

    30. Published

      Alopecurus myosuroides seed production and shedding pattern

      Bitarafan, Z. & Andreasen, Christian, 2022, p. 234. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    31. Published

      The effect of charcoal on medicinal compounds of seeds of fenugreek (Trigonella foenum-graecum L.) exposed to drought stress

      Bitarafan, Z., Asghari, H. R., Hasanloo, T., Gholami, A., Moradi, F., Khakimov, Bekzod, Liu, Fulai & Andreasen, Christian, 2019, In: Industrial Crops and Products. 131, p. 323-329

      Research output: Contribution to journal › Journal article › Research › peer-review

    32. Published

      Weed seeds in pelletized chaff do not germinate

      Bitarafan, Z., Glasner, C. & Andreasen, Christian, 2023, In: Advances in Weed Science. 41, 5 p., e020230002.

      Research output: Contribution to journal › Journal article › Research › peer-review

    33. Published

      Killing weed seeds in chaff by pelletizing chaff for further utilization

      Bitarafan, Z., Glasner, C. & Andreasen, Christian, 2022, p. 207. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    34. Published

      Harvest Weed Seed Control: Seed Production and Retention of Fallopia convolvulus, Sinapis arvensis, Spergula arvensis and Stellaria media at Spring Oat Maturity

      Bitarafan, Z. & Andreasen, Christian, 2019, In: Agronomy. 10, 1, 10 p., 46.

      Research output: Contribution to journal › Journal article › Research › peer-review

    35. Published

      The effect of different biochars on the growth and water use efficiency of fenugreek (Trigonella foenum‐graecum L.)

      Bitarafan, Z., Liu, Fulai & Andreasen, Christian, 2020, In: Journal of Agronomy and Crop Science. 206, 2, p. 169-175

      Research output: Contribution to journal › Journal article › Research › peer-review

    36. Published

      Fecundity Allocation in Some European Weed Species Competing with Crops

      Bitarafan, Z. & Andreasen, Christian, 2022, In: Agronomy. 12, 5, 14 p., 1196.

      Research output: Contribution to journal › Journal article › Research › peer-review

    37. Published

      Destroying weed seeds with exhaust gas from a combine harvester

      Bitarafan, Z., Glasner, C., Fenselau, J. & Andreasen, Christian, Mar 2019.

      Research output: Contribution to conference › Poster › Research › peer-review

    38. Published

      The ¤relation between densities and frequencies of weeds in Arable fields

      Brix, A. & Andreasen, Christian, 2000, In: Journal of Agricultural, Biological, and Environmental Statistics. 5, 4, p. 372-386 15 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    39. Published

      Influence of temperature, low nutrient supply, and soil composition on germination and the growth of Sea Kale (Crambe maritima L.)

      Christensen, J., Lauridsen, U. B., Andreasen, Christian & Lütken, Henrik Vlk, 2015, In: HortScience. 50, 3, p. 363-368 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    40. Published

      Use of sensors for assessment in herbicide trials

      Christensen, S., Andújar, D., Andreasen, C., Berge, T. W., Chachalis, D., Dittmann, T., Gerhards, R., Hamouz, P., Jaeger-Hansen, C., Jensen, K., Jørgensen, R. N., Keller, M., Laursen, M., Midtiby, H. S., Nielsen, J., Müller, S., Nordmeyer, H., Peteinatos, G., Papadopoulos, A., Rasmussen, J. & 3 others, Svensgaard, J., Weis, M. & Streibig, Jens Carl, 2013, Proceedings from 16th Symposium EWRS. p. 315 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    41. Published

      Utilization of the halophytic shrubs Atriplex nummularia Lindl and Rhagodia preissii Moq as crops in salt-affected semi-arid regions: How temperature, salinity, seed weight and size affect seed germination

      Christiansen, A. H. C., Norman, H. C. & Andreasen, Christian, 2022, In: Frontiers in Plant Science. 13, 13 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    42. Published

      Molecular identification of pathogenic mycobiome associated with quinoa (Chenopodium quinoa) foliar blotch disease on leaves and dark pigmentation on seeds

      Colque-Little, Carla, Andreasen, Christian & Amby, Daniel Buchvaldt, 2023, MBPP Early Career Meeting 2023. British Society for Plant Pathology, 1 p. O3

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    43. Published

      Genetic variation for tolerance to the downy mildew pathogen Peronospora variabilis in genetic resources of quinoa (Chenopodium quinoa)

      Colque-Little, Carla, Abondano, M. C., Lund, O. S., Amby, Daniel Buchvaldt, Piepho, H., Andreasen, Christian, Schmöckel, S. & Schmid, K., 2021, In: BMC Plant Biology. 21, 19 p., 41.

      Research output: Contribution to journal › Journal article › Research › peer-review

    44. Published

      A Review of Chenopodium quinoa (Willd.) Diseases - An Updated Perspective

      Colque-Little, Carla, Amby, Daniel Buchvaldt & Andreasen, Christian, 2023, Worldwide Evaluations of Quinoa - Biodiversity and Food Security under Climate Change Pressures. Pulvento, C. & Bazile, D. (eds.). MDPI, p. 377-415

      Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research › peer-review

    45. Published

      A Review of Chenopodium quinoa (Willd.) Diseases—An Updated Perspective

      Colque-Little, Carla, Amby, Daniel Buchvaldt & Andreasen, Christian, 2021, In: Plants. 10, 6, 38 p., 1228.

      Research output: Contribution to journal › Review › Research › peer-review

    46. Published

      Chenopodium quinoa, a new host for Alternaria section Alternata and Alternaria section Infectoriae causing yellow leaf blotch disease

      Colque-Little, Carla, Lund, O. S., Andreasen, Christian & Amby, Daniel Buchvaldt, 2023, In: Plant Disease. 107, 9

      Research output: Contribution to journal › Journal article › Research › peer-review

    47. Published

      Improving Utilization of Sugarcane by Replacing Ordinary Propagation Material with Small Chips of Sugarcane Planted in Paper Pots

      Garcia, C. & Andreasen, Christian, 2017, In: International Journal of Biological, Biomolecular, Agricultural, Food and Biotechnological Engineering. 11, 1, p. 1-4 4 p.

      Research output: Contribution to journal › Journal article › Research

    48. Published

      Adaptions of harvesting methods and concepts in order to reduce weeds on agricultural fields and to gain potentially a so far unexploited biomass feedstock

      Glasner, C., Andreasen, Christian, Vieregge, C., Dikiy, A., Fenselau, J., Bitarafan, Z. & Shumilina, E., 1 May 2018, In: European Biomass Conference and Exhibition Proceedings. 2018, 26thEUBCE, p. 64-70 7 p.

      Research output: Contribution to journal › Conference article › Research

    49. Published

      Evaluation of New Harvesting Methods to Reduce Weeds on Arable Fields and Collect a New Feedstock

      Glasner, C., Vieregge, C., Robert, J., Fenselau, J., Bitarafan, Z. & Andreasen, Christian, 5 May 2019, In: Energies. 12, 9, p. 1-13 1688.

      Research output: Contribution to journal › Journal article › Research › peer-review

    50. Published

      Tolerance of four spring barley (Hordeum vulgare) varieties to weed harrowing

      Hansen, P. K., Rasmussen, I. A., Holst, N. & Andreasen, Christian, 2007, In: Weed Research. 47, 3, p. 241-251 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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