Abstract
A commercial blend of 2 selected class germplasm of little bluestem (Schizachyrium scoparium (Michx.) Nash var. scoparium [Poaceae]) was released in 2015 for rangeland and wildlife habitat restoration seedings in South Texas. Carrizo Blend little bluestem is a post-harvest blend of STN-176 Germplasm and STN-461 Germplasm little bluestems. These selections were made from evaluations of 95 native populations of little bluestem collected from southern Texas that were compared with available commercial standards at 3 evaluation sites in the region. Upon selection, seed stock for release of the 2 selections was grown in isolation using outplants grown from the original wild seed collections to maintain the genetic integrity of the source populations. Carrizo Blend little bluestem represents the first selected, ecotypic seed source of little bluestem for use in South Texas.
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