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Appendix 3
Important Events in the Development of Triticale
1875
1888
1918
1935
1937
1940s
1954
Scotland
Germany
U.S.S.R.
Germany
Sweden
France
Canada
A.S. Wilson reports first known wheat x rye cross, resulting in
sterile plant.
First fertile wheat x rye hybrid achieved by W. Rimpau.
Thousands of wheat x rye hybrids appear at Saratov research
station. The Fl plants produce seeds from which true-breeding,
fairly fertile, phenotypically intermediate hybrids are derived.
Name "triticale"-from Triticum (wheat) and Secale (rye)-appears
in scientific literature.
A. MUntzing begins intensive work on triticale.
P. Givaudon develops colchicine technique for doubling
chromosomes of sterile hybrids, making the production of large
numbers of fertile triticales possible.
The embryo culture technique for rescuing hybrid embryos from
seeds with malformed endosperm is developed.
University of Manitoba, Canada, inaugurates the first North
American effort to develop triticale as a commercial crop. L.H.
Shebeski, S.c. Jenkins, L. Evans, and others assemble a world
collection of primary triticales.
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