|Target group:||Biology, Biochemistry|
|Educational level:||Bachelor, Masters|
Global climate changes have world-wide caused more heavy rainfall events over the last few decades along with an increased likelihood of devastating floods. Widespread increases in heavy precipitation have occurred, even in places where annual rain fall have decreased because warmer air can hold more moisture. Moreover, shifts in snowfall patterns, the onset of spring and snow melting may all exacerbate some flooding risks. As a consequence, cereals - even those that are currently grown on well-drained soils - may experience flooding throughout the growth season with serious impact on farming practice and eventually also yield. In this project you will help assess the submergence tolerance of wheat (Triticum aestivum) with the potential to develop wheat cultivars capable of surviving future climate-change induced floods.
However, O2 produced during underwater photosynthesis has to reach O2 consuming tissues, e.g. roots, to ensure plant functioning. In flooding tolerant plants, this is enabled by gas-filled tissues (aerenchyma) connecting plant organs. This allows for faster O2 movement throughout the plant, termed internal aeration. The capability for internal aeration in wheat or rice during complete submergence is however poorly understood. Therefore you will also have the possibility to help assess the capabilities of internal aeration in these plants.
Also, the applications of O2-microelectrodes both in situ and in controlled laboratory experiments will help assess the capacity for internal aeration in wheat or rice. The application of microelectrodes requires a bit of technical interests. Collaboration with the University of Western Australia may also be an option.
|Methods used:||microsensors; MicroResp; HPLC; experimental design; relevant statistics|
|Keywords:||flooding, oversvømmelse, crop, afgrøder, climate change|
|Project home page:||http://www.flooding.dk/list-of-student-research-topics|