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CULTIVARS

Registration of ‘Whit’ Wheat

^a Dep. of Crop and Soil Sciences, Washington State Univ., Pullman, WA 99164-6420
^b USDA-ARS Wheat Genetics, Quality, Physiology, and Disease Research Unit, Pullman, WA 99164-6420
^c Plant, Soils, and Entomological Sciences, Univ. of Idaho, Moscow, ID 83844-2339. Research was funded in part by the Washington State Grain Alliance

^* Corresponding author (kidwell{at}wsu.edu).

ABSTRACT

Stripe rust (Puccinia striiformis Westend f. sp. tritici) resistance is an essential trait for spring wheat cultivars produced in the Pacific Northwest region of the United States. The objective of this research was to develop an adapted spring wheat cultivar with high levels of resistance to stripe rust. ‘Whit’ (Reg. No. CV-1034, PI 653841) soft white spring wheat (Triticum aestivum L.) was developed and released in July 2008 by the Agricultural Research Center of Washington State University. Whit was tested under the experimental designations SW2K067, S0300100U, and WA008008, which were assigned through progressive generations of advancement. Whit is an intermediate-height semidwarf cultivar adapted to the intermediate to high rainfall (>380 mm of average annual precipitation), nonirrigated wheat production regions of Washington and Idaho. Whit is resistant to the Hessian fly [Mayetiola destructor (Say)], has high-temperature, adult-plant resistance to local races of stripe rust, is intermediate in height, is early maturing, and has high grain yield potential. Whit is a partial waxy variety with end-use quality properties similar or superior to ‘Louise’, ‘Alpowa’, and ‘Alturas’.

Abbreviations: HTAP, high-temperature, adult-plant • IT, infection type • PST, Puccinia striiformis Westend f. sp. tritici • WSU, Washington State University