Iron deficiency chlorosis (IDC) is consistently rated as the most serious production problem affecting soybean yields in the upper Midwest. Seedlings that undergo IDC consistently yield less. From a physiological perspective, iron metabolism is a complex process which involves modifying the soil chemistry, converting iron in a form that the roots uptake, transferring the iron into the root, and transporting the iron to the shoots. To develop IDC tolerant lines, it is important to consider the many components of the physiological process and determine which are most relevant for IDC tolerance. This can only be done using a combination of genetic and genomic techniques that survey...
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