Wheat Information Service No.28 
Contents
I. Research Notes:
K. TSUNEWAKI:Necrosis genes in Triticum macha,
T. spelta and T. vavilovi, p.1
CH. M. TAHIR and K. TSUNEWAKI:Monosomic analysis of
a fertility-restoring gene in Triticum spelta var. duhamelianum,
p.5
P. K. GUPTA:On the substituting ability of individual
alien chromosomes in common wheat, p.7
C. F. KONZAK, S. C. WOO and J. DICKEY:An induced
dominant semi-dwarf plant height mutation in spring wheat, p.10
T. OKADA, H. YOSHIZUMI and Y. TERASHIMA:Studies
on toxic substance in wheat and barley against brewing yeast, p.10
S. ICHIKAWA:Comparison of radiosensitivities of seven
different genomes of Aegilops, Triticum and Hordeum in terms
of growth inhibition, p.14
T. TSUCHIYA and E. N. LARTER:Chromosome variations
in the progenies of crosses between aneuploids and euploids in hexaploid Triticale,
p.16
B. C. JENKINS:History of the development of some presently
promising hexaploid Triticales, p.18
G. ROBBELEN and R. TRUJILLO-FIGUEROA:Early selection
of induced genetic variability in yield components based on M2-variances
of an easily measurable trait, p.21
A. MUNTZING and S. BOSE:EMS treatments of inbred lines
of rye, p.25
S. SAKAMOTO:Interspecific hybrid between two species
of the genus Taeniatherum of the tribe Triticeae, p.26
II. K. YAMASHITA, S. SAKAMOTO and K. FUKUI:A preliminary
report of the Botanical Team of the Kyoto University Scientific Expedition to
the Sahara and the Surrounding Areas, p.27
III. Editorial Remarks:
Announcement for future issues, p.32
Acknowledgement, p.32
Committee, ...iii
Explanation of the figure on the cover, ...iii