Abstract
Although artificially-induced polyploids and mutants are of some interest in barley breeding, the most successful techniques depend on hybridization. Selections from the progeny of hybrids such as Kenia x Spratt-Archer and Plumage-Archer have produced short-strawed, high-yielding barleys which, from small-scale malting trials, appear to resemble Spratt-Archer in quality. Pioneer has been back-crossed with Spratt-Archer in an attempt to produce a winter-hardy barley of higher malting quality. Foreign varieties which show high susceptibility to diseases such as loose smut or mildew, must be used with caution as breeding material, and it is stressed that disease resistance must be included in the selection characters. The breeding of barley specifically for feeding purposes, and the requirements imposed by mechanized forming, are considered in detail.

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