Abiotic resources - Water management

Stürz, S., Sow, A., Schlegel, I., Manneh, B., Asch, F. 2009.
"Annual variation of water use and yield of irrigated rice in the Sahel". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg. Poster award - First Prize.

Shresta, S., Asch, F., Brueck, H., Duserre, J., Ramanantsoanirina, A. 2009. 
"Upland rice adaptation to variable water availability along an altitude gradient in Madagascar". 
Tropentag 2009, October 6-8,University of Hamburg, Hamburg.

Gorim, L., Asch, F., Trimborn, M. 2009.
"Seed coating with hydro-absorbent properties as possible mitigation strategy for unreliable rainfall patterns in early-sown Sorghum". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Gorim, L., Trimborn, M., Asch, F. 2009.
"Remobilisation efficiency of coated cereal seeds during germination depends on coat composition and size". 
Plants for the Future - Botanikertagung 2009: Leipzig 6-10.9.2009. Book of Abstracts: 15.

Stürz, S., Schlegel, I., Sow, A., Asch, F. 2008.
"Physiological Responses of Lowland Rice Cultivars to the Saturated Soil Culture System". 
Tropentag 2008, October 7-9, University of Hohenheim, Stuttgart. Poster award - First Prize.

Giese, M., Brueck, H., Dingkuhn, M., Kiepe, P., Asch, F. 2009. 
"Developing rice and sorghum crop adaptation strategies for climate change in vulnerable environments in Africa  RISOCAS". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Weidner, A., Asch, F., Buck-Sorlin, GH., Börner, A. 2007. 
"QTLs for salt resistance vary with development stage in field-grown Barley".  Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Weidner, A., Asch F., Buck-Sorlin, G., Dadshani, S., Börner, A., 2006
"Improving Salt Tolerance: A worldwide challenge for plant nutrition and breeding"
Annual Meeting of the German Society for Plant Nutrition: "Plant Nutrition meets Plant Breeding", 26.-28.10.2006, Hohenheim

Wimmer, M., Asch, F., 2005
"Relationships between transpiration, ion uptake and distribution in salt-stressed irrigated rice"
XV. International Plant Nutrition Colloquium, 14.-19. Sept. 2005, Beijing.

Dadshani, S. A. W., Weidner, A., Buck-Sorlin G. H., Börner, A. , Asch, F., 2004
"QTL Analysis for Salt Tolerance in Barley" 
Deutscher Tropentag 2004, October 5 - 7, Humboldt University, Berlin

Dahal, K. P, Das, U. S., Asch, F., 2003. 
"Salinity in irrigated rice. I. Effects of salinity on tiller and leaf number, leaf appearance rate, and leaf duration."
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Das, U.S., Dahal, K. P., Asch, F., 2003. 
"Salinity in irrigated rice. II. Concept models to simulate salinity effects on leaf appearance, duration and transpiration." 
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Asch, F., Dahal, K. P., Das, U. S., 2003. 
"Salinity in irrigated rice. III. Is the transpiration history of leaves indicative for the salt load of individual leaves?"
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Asch, F., Wopereis, M. S. C., 2000. 
"Yield responses of irrigated rice to salinity depend on development stage and stress level." 
3rd International Crop Science Congress, August 17th-22nd, 2000. Hamburg, Germany

Asch, F., Dingkuhn, M.,  Dörffling, K., 1997. 
"Effects of Transpiration on Sodium and Potassium Distribution in Salt-Stressed Irrigated Rice."
Annual Meeting Society of Experimental Biology

 Abiotic stresses - Multiple stresses -

Maślak, J., Janowiak, F., Asch, F., 2010.
"Root to shoot signalling in maize under partial root chilling and different air humidity".
Annual Main Meeting of SEB in Prague, 30.06 - 3.07 2010. Programme and Abstract Book 310-311

Asch, F., Janowiak, F., Weinand, T., 2007.
"Comparison of early, root-borne signals in maize subjected to chilling or drought".
Botanikertagung, 3.-7.9. 2007. Book of Abstracts. Pp 61-62.

 Abiotic stresses - Drought -

Rajaona, A., Brueck, H., Asch, F., 2009.
"Description of the spatial arrangement of Jatropha curcas L. root system. A case study from Madagascar"
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Abdulai, A. L.,  Asch, F., van de Giesen, N., 2004.
"Physiological and Morphological Responses of Sorghum Bicolor to Static and Dynamic Drought Conditions"
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

Asch, F., Bahrun, A., Jensen, C. R., 2003. 
"Soil moisture availability and relative air humidity influence root signals of field-grown maize subjected to drought stress"
Festkolloquium -  Justus-Liebig-Universität Giessen, 12-13. Juni 2003.

Andersen, M.N., Hashi, M.A., Asch, F., Jensen, C.R., Wu, Y. & Koch, K.E. 2003.
"Drought impairs sugar utilization in young abortion - sensitive maize ovaries"
International Conference on Water Saving Agriculture and Sustainable Use of Water and Land Resources, Yangling-Shaanxi P.R. China, October 26-29, 2003

Andreassen, A., Asch F., Jensen, C. R., 2001. 
"Stress responses and abscisic acid root signals in relation to drought stress intensity in three upland rice cultivars."
Deutscher Tropentag 2001 –  October 9-11, 2001, University of Bonn

Bahrun, A., Jensen C. R., Asch. F., Mogensen, V.O.M., 2001.
"Changes in xylem pH, ionic composition, and [ABA] of the xylem sap act as early signals in field-grown maize in response to soil drying" 
SEB Annual Meeting, Caterbury, UK, April 2-6, 2001

Andersen, M.N.,  Asch, F., Jensen, C.R., Naested, H., 2000.
"Drought regulates invertase expression and carbohydrate levels in maize ovaries"
6th International Congress of Plant Molecular Biology, Quebec, Canada, June 18-24, 2000

Bahrun, A., Jensen C. R., Asch. F., Mogensen, V.O.M., 2000.
"Is morning xylem ABA of field grown maize sufficient to cause stomata closure?"
3rd International Crop Science Congress, August 17th-22nd, 2000. Hamburg, Germany

 Abiotic stresses - Iron toxicity -

Terre, S.,  Asch, F., Becker, M. 2009. 
"Influence of Bacillus spp. on iron plaque formation at the root surface of lowland rice". Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Engel, K., Becker, M., Asch, F. 2008
"Adaptation mechanisms in rice cultivars of different origin to iron toxic conditions". Tropentag 2008, October 7-9, University of Hohenheim, Stuttgart

Stürz, S., Asch, F., Becker, M. 2007. 
"Field validation of a quick screening method for iron toxicity in lowland rice". Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Terre, S.,  Asch, F., Padgham, J., Becker, M. 2007. 
"Influence of root zone bacteria on root iron sequestration in rice subjected to iron toxicity". Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Asch, F., Aung, T., Becker, M. 2007. 
"Root iron plaque formation as resistance mechanism to iron toxicity in lowland rice". Tropentag 2007, October 9-11,University of Kassel-Witzenhausen, Witzenhausen.

Ripken, C., Asch, F., Becker, M., Wimmer, M. 2005.
"A low cost miniature method to determine iron content in samples suitable for small research laboratories". 
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

Asch, F., Padgham, J. 2005.
"Root associated bacteria suppress symptoms of iron toxicity in lowland rice"
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

 Abiotic stresses - Temperature -

Stürz, S., Asch, F., Sow, A., Muller, B., Manneh, B.,  Dingkuhn, M., 2010. 
"Phenological responses of irrigated rice in the Sahel"
Africa Rice Congress 2010, Innovations and Partnerships to realize Africa's Rice Potential, 22-26 March 2010, Bamako, Mali
Poster award - First prize.

Janowiak F., Maślak J., Asch F., 2009.
"Hormonal, hydraulic, and pH signals from chilled roots to shoots in maize plants". Acta Biologica Cracoviensia 51 (Suppl. 2): 55.

Ramanantsoanirina, A., Duserre, J., Shresta, S., Asch, F., 2009. "Temperature effects on the phenology of upland rice grown along an altitude gradient in Madagascar". 
Tropentag 2009, October 6-8,University of Hamburg, Hamburg.

Shresta, S., Asch, F., Becker, M. 2007. "Phenological responses of rice genotypes to varying thermal environments in Nepal". Tropentag 2007, October 9-11,University of Kassel-Witzenhausen, Witzenhausen.

Khanal, R. R., Shresta, S.,  Asch, F.,  Becker, M. 2005.
"Phyllochron of lowland rice does not depend on temperature alone"
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

Khanal, R. R.,  Asch, F.,  Becker, M. 2004.
"Phenological Responses of Rice Cultivars under Varying Thermal Environments in High Altitude Cropping System "
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

 Nutrient management -

Adams Saleh, E., Asch, F.,  Becker, M., 2004.
"Evaluation of Residue Management in Irrigated Rice-based Systems of the Mekong Delta"
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

Ouko, M., Asch, F., Becker, M. 2003 
"Nitrate reductase activity in rice as related to weed competitiveness" 
Deutscher Tropentag 2003, October 8-10, University of Göttingen