caa a22 4500 477135196 CHVBK 20180405111715.0 cr unu---uuuuu 170330e19970701xx s 000 0 eng 10.1023/A:1003025501591 doi (NATIONALLICENCE)springer-10.1023/A:1003025501591 Effects of barley chromosome on heading characters in wheat-barley chromosome addition lines [Elektronische Daten] [Koji Murai, Takato Koba, Takiko Shimada] Heading time in cereals is a composite character determined by vernalization requirement, photoperiodic sensitivity and narrow-sense earliness. To study the effects of added barley chromosomes on the heading characters in wheat, two sets of wheat-barley chromosome addition lines, i.e., ‘Betzes' barley chromosomes 2H to 7H added to 'Chinese Spring‘ wheat (CS-Be2H to CS-Be7H) and ‘New Golden' barley chromosomes 5H and 6H added to ‘Shinchunaga' wheat (Shi-NG5H, Shi-NG6H), were examined for their heading characters. All barley chromosomes except Be6H affected vernalization requirement and/or narrow-sense earliness in CS or Shi. Be5H chromosome also slightly increased the photoperiodic sensitivity of CS. Shi-NG5H addition line showed significantly decreased vernalization requirement in comparison with Shi, whereas CS-Be5H did not show any difference from CS. The F1 hybrid of the cross, Shi-NG5H × CS-Be5H, exhibited the same level of vernalization insensitivity as the Shi-NG5H addition line, and plants with and without a vernalization requirement segregated in a 1 : 3 ratio in the F2 generation. These observations, together with previous reports, suggest that the decreased vernalization requirement in the Shi-NG5H addition line was caused by the presence of a major dominant gene for spring habit, Sh2, located on the NG5H barley chromosome. Furthermore, this study revealed that the Sh2 gene in barley has a similar but weaker effect than the wheat vernalization insensitive gene, Vrn1, on the vernalization response in wheat. Kluwer Academic Publishers, 1997 heading character nationallicence Hordeum vulgare nationallicence Triticum aestivum nationallicence wheat-barley chromosome addition line nationallicence Murai Koji Research Institute of Agricultural Resources, Ishikawa Agricultural College, 921, Nonoichi-machi, Ishikawa, Japan aut Koba Takato Laboratory of Plant Breeding, Faculty of Horticulture, Chiba University, 271, Matsudo, Chiba, Japan aut Shimada Takiko Research Institute of Agricultural Resources, Ishikawa Agricultural College, 921, Nonoichi-machi, Ishikawa, Japan aut Euphytica Kluwer Academic Publishers 96/2(1997-07-01), 281-287 0014-2336 96:2<281 1997 96 10681 https://doi.org/10.1023/A:1003025501591 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1003025501591 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Murai Koji Research Institute of Agricultural Resources, Ishikawa Agricultural College, 921, Nonoichi-machi, Ishikawa, Japan aut NATIONALLICENCE 700 1- Koba Takato Laboratory of Plant Breeding, Faculty of Horticulture, Chiba University, 271, Matsudo, Chiba, Japan aut NATIONALLICENCE 700 1- Shimada Takiko Research Institute of Agricultural Resources, Ishikawa Agricultural College, 921, Nonoichi-machi, Ishikawa, Japan aut NATIONALLICENCE 773 0- Euphytica Kluwer Academic Publishers 96/2(1997-07-01), 281-287 0014-2336 96:2<281 1997 96 10681 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer