Wheat Information Service No.4 Wheat Information Service No.4


Contents

I. Research Notes:
S. BOROJEVIC:A note about the " New dates for recent cultivation of Triticum monococcum and Triticum dicoccum in Yugoslavia", p.1
S. BOROJEVIC:The occurrence of new color of glumes and awns in the Triticum vulgare and Triticum dicoccum cross, p.2
H. KIHARA, K. YAMASHITA and M. TANAKA:A new strain of Triticum polonicum, p.3
S. MATSUMURA and T. FUJII:Effect of X-rays on fertility and mutation rate in Einkorn wheat, p.4
M. S. SWAMINATHAN and A. T. NATARAJAN:Effects of fast neutron radiation on Einkorn, Emmer and bread wheats, p.5
A. T. PUGSLEY:" White scald " mutation in wheat, p.7
R. C. MCGINNIS and J. H. MELNYK:Cytological evidence for the S genome in Aegilops juvenalis, p.8
E. R. SEARS:The B genome of Triticum, p.8
M. TANAKA:Amphidiploid from the hybrid, Aegilops umbellulata 4x x Aegilops squarrosa 4x, p.10
M. TANAKA:Newly synthesized amphidiploids from the hybrids among diploid species in Aegilops, p.10
J. TABUSHI:Fertility of F1 hybrids between Triticum persicum and Aegilops squarrosa No. 1, p.11
R. RILEY:Adding individual rye chromosomes to wheat, p.12
S. MATSUMURA and M. MURAMATSU:F1 hybrids between three species of Triticum and Agropyron intermedium, p.13
M. MURAMATSU and S. SAKAMOTO:F1 hybrids between three species of Aegilops and Agropyron intermedium, p.14

II. Supplement:H. KIHARA and K. YAMASHITA:" Wheat and its Relatives ", p.16

III. Circulation List of WIS, p.25

IV. News, p.27

V. Announcement for the Next Issue, No. 5, p.29

VI. Acknowledgement, p.29
Explanation of the Figures on the Cover, ...iii
Committee, ...iii
Errata of WIS No. 3, ...iv