Crop Science Grow Your Career with CSSA
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Published in Crop Sci 15:777-779 (1975)
© 1975 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Fick, G. N.
Right arrow Articles by Zimmer, D. E.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Fick, G. N.
Right arrow Articles by Zimmer, D. E.
Agricola
Right arrow Articles by Fick, G. N.
Right arrow Articles by Zimmer, D. E.

Linkage Tests Among Genes for Six Qualitative Characters in Sunflowers1

G. N. Fick and D. E. Zimmer2

Inheritance and linkage relationships among genes for fertility restoration (Rf1), resistance to rust, Puccinia helianthi Schw. (R1), resistance to downy mildew, Plasmopara halstedii (Farl.) Berl. et de Toni (Pl2), resistance to Verticillium wilt, Verticillium dahliae Kleb. (V), recessive branching (b1), and genetic male-sterility (ms) were studied in sunflowers, Helianthus annuus L. The monogenic inheritance of each of these traits was confirmed. A close repulsion linkage, or allelic relationship, of R1 with Pl2 was identified on the basis of inoculations with races 1, 2, and 3 of rust and the Red River race of downy mildew, respectively. No recombinant types were recovered from among 543 F3 lines and 105 F4 lines tracing to two crosses. Independent inheritance was shown for Rf1 with R1, b1, Pl2, and V; R1 with V; Pl2 with b1 and V; V with b1,; and ms with b1.

Key Words: Helianthus annuus L. • Fertility restoration • Rust resistance • Downy mildew resistance • Verticillium wilt resistance • Branching • Genetic male-sterility

1 Cooperative investigations of the ARS-USDA and the Agric. Exp. Stn., North Dakota State Univ., Fargo, ND 58102. Published with the approval of the director of the North Dakota Agric. Exp. Stn. as journal paper no. 587.

2 Research geneticist and research plant pathologist, respectively, ARS-USDA, Fargo, ND 58102.

Received for publication April 2, 1975.




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1975 by the Crop Science Society of America.