Wheat Information Service No.2 Wheat Information Service No.2



Contents

I. Research Notes:
A. MUNTZING:Mode of production and properties of a Triticale-strain with 70 chromosomes, p.1
A. LUNDQVIST:A genetic analysis of self-sterility in rye, Secale cereale L., p.2
G. NAKAJIMA:Results of crossing experiments between Triticum and Secale, p.3
E. G. HEYNE and C. O. JOHNSTON:Inheritance of leaf rust reaction among the eight differential varieties of wheat, p.4
N. HIRATSUKA:Reaction of Aegilops and Triticum to Puccinia graminis PERS. and Puccinia glumarum ERIKS. et HENN., p.5
M. TANAKA:Chromosome pairing in hybrids between Aegilops sharonensis and some species of Aegilops and Triticum, p.7
M. TANAKA:A new amphidiploid from the hybrid Ae. sharonensis x Ae. umbellulata, p.8
H. SUEMOTO and K. KOJIMA:Right- and left-handedness in Triticum and Aegilops. I., p.10
H. SUEMOTO and K. KOJIMA: Right- and left-handedness in Triticum and Aegilops. II. C values among species of Triticum and Aegilops, p.12
S. MATSUMURA and T. FUJII:Gene mutation in Einkorn wheat induced by X-rays, p.13
S. MATSUMURA:Chromosome aberrations in Einkorn wheat induced by X-rays, p.15
K. YAMASHITA and M. KOYAMA:Nucleolus organizing chromosome in Einkorn wheats, p.16
K. YAMASHITA:Chlorophyll analyses in X-ray induced mutants in Triticum monococcum, p.16
P. SARKAR:A karyomorphological study on the genus Eremopyrum, p.17
S. MATSUMURA and S. SAKAMOTO:Karyotypes of diploid Agropyron species, p.19
M. MURAMATSU:A hybrid between autotetraploid Triticum aegilopoides and Agropyron intermedium., p.19

II. Genetic Stocks, p.20

III. Circulation List of WIS, p.20

IV. News, p.30

V. Announcement for Issue No. 3, p.32

VI. Acknowledgement, p.32