Modelling gas exchange in sorghum
Bean, Deborah Lee
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In this thesis, a mathematical model for the gas exchange in sorghum is studied. The main problem considered is whether sorghum may be genetically manipidated in order to maximize productivity while minimizing water loss. A background is provided on the gas exchange system in plants and on the collection of the data used in this study. The model as developed by Kuppers and Schulze  and the results of their study are discussed in detail. The model is then applied to the sorghum data and the results are found to be statistically significant but not biologically significant. The two models are then compared and the problems with the model are discussed. The results show that it will be possible to genetically increase productivity without increasing water loss.