The genetic base of soybean breeding programs is relatively narrow, meaning that there is a lack of diversity for many traits. This limits the opportunities for breeders to improve varieties beyond a relatively narrow phenotypic range. Soybean mutagenesis is one proposed method to overcome these barriers. A population of mutated individuals has the potential to harbor individuals with novel phenotypes, or phenotypes that extend beyond the natural range (e.g. seed oil levels that exceed current high-oil varieties). With this purpose in mind, researchers at the University of Minnesota initiated the development of a soybean fast neutron mutant population in 2007.
The development of the...
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#breeding & genetics