Premium
Registration of KS93WGRC28 Powdery Mildew Resistant T6BS‐6RL Wheat Germplasm
Author(s) -
Friebe B.,
Gill B. S.,
Tuleen N. A.,
Cox T. S.
Publication year - 1995
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1995.0011183x003500040101x
Subject(s) - germplasm , powdery mildew , biology , crop , agricultural experiment station , mildew , agronomy , horticulture , library science , agriculture , ecology , computer science
gous for T4DL-4Ai#2S v/heat-Thinopyrum intermedium (Host) Barkw. & D.R. Dewey [syn. Agropyron intermedium (Host) P. Beauv.] chromosome translocation, developed cooperatively by the Kansas Agricultural Experiment Station, the Wheat Genetics Resource Center, Kansas State University, and the USDA-ARS. KS93WGRC27 was released by the Kansas Agricultural Experiment Station and the Wheat Genetics Resource Center as a germplasm in November 1993. KS93WGRC27 is a BC3F2-derived line from the cross 'Karl'*4/CIrr 17884. CItr 17884 is a T. aestivum germplasm homozygous forT4DL-4Ai#2S, awheat-/4. intermedium chromosome translocation and T7AS-7SS-7SL, a wheat-T. speltoides chromosome translocation (1,2), and Karl is a hard red winter wheat cultivar. T7AS-7SS 7SL consists of almost the complete 7S 7! speltoides chromosome except for a small terminal 7AS segment translocated to the 7SS arm. T4DL-4Ai#2S consists of the 4DL arm of wheat and a homoeologous 4Ai#2S arm derived from A. intermedium, with the breakpoint at the centromere. KS93WGRC27 is the bulked, selfed progeny of a BC3F2 plant that had 2n=42 chromosomes and was homozygous according to C-banding analysis for normal Chromosome 7A of wheat and for the T4DL • 4Ai#2S translocation. The 4Ai#2S arm in KS93WGRC27 has the gene Wsml, which conditions an effective level of resistance to the wheat streak mosaic virus. Small quantities (3 g) of seed of KS93 WGRC27 are available upon written request. We ask that appropriate recognition of source be given when this germplasm contributes to research or development of new cultivars. Seed is maintained by the Wheat Genetics Resource Center, Manhattan, KS.