Getting to the root of how plants tolerate too much iron
Iron is essential for plant growth, but with heavy rainfall and poor aeration, many acidic soils become toxic with excess iron. This can a affect the availability of staple foods, such as rice. Associate Professor Wolfgang Busch, first author Baohai Li and collaborators have found a major genetic regulator of iron tolerance, a gene called GSNOR. The findings could lead to the development of crop species that produce higher yields in soils with excess iron.
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