Salt tolerance from wild sunflower species

The Pecos sunflower (Helianthus paradoxus) is particularly well adapted to saline soils and is able to out-compete other wild sunflower species in places like salt marshes. The species has great potential for helping to breed more salt-tolerant cultivated sunflowers, with hybrids developed using it potentially providing a 25% yield premium in salty soils.[i] But, H. paradoxus is listed as a threatened species under the U.S. Endangered Species Act, and is vulnerable to livestock grazing and invasive species.[ii]

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