Wheat Information Service No.3 Wheat Information Service No.3


Contents

I. Research Notes:
E. SCHIEMANN:New dates for recent cultivation of T. monococcum and T. dicoccum in Jugoslavia, p.1
E. SCHIEMANN and G. STAUDT:T. dimococcum, a new amphidiploid from the hybrid T. dicoccum x monococcum, p.3
E. R. SEARS:Neatby's virescent, p.5
M. OKAMOTO and E. R. SEARS:Structural relationships between non-homologous chromosomes, p.6
A. CROSBY:Nucleolar activity of lagging chromosomes in wheat, p.6
J. UNRAU and J. KUSPIRA:Development of the aneuploid series and whole chromosome substitution lines in the varieties Thatcher and Lemhi, p.7
I. UCHIKAWA:Misdivisions and non-disjunctions of the C chromosome in Beta-series speltoid wheat, p.9
S. MATSUMURA:Chromosome aberrations in Einkorn wheat induced by radiations, p.10
T. FUJII:Virido-albina mutant in diploid wheat induced by X-rays, p.11
K. YAMASHITA:Synthesis of a permanent RT-hetegozygote in Einkorn wheats, p.12
K. YAMASHITA, M.TANAKA, M. KOYAMA and The Biology Group of the doshisha Women's college:Studies on the quality of Triticum and Aegilops, p.13
J. TABUSHI:Hybrids between synthesized 6x wheat, ABD No. 4, and a Japanese commercial wheat variety, Norin No. 25, p.14
K. MATSUMOTO and J. TABUSHI:Amphidiploids from the hybrids T. Timopheevi x Ae. umbellulata and T. vulgare x Ae. Kotschyi, p.15
H. KUCKUCK and G. POHLENDT:On a natural hybrid between Ae. triuncialis and T. aestivum found in Iran and its cytogenetical significance, p.15
H. ONO:Right- and left-handedness in Triticum and Aegilops III. The effects of external factors, p.17
H. FUKASAWA:Chlorophyll variegation which appeared in male-sterile Emmer wheat, p.19
P. SARKAR and G. L. STEBBINS:Morphological evidence for the origin of the B genome in wheat, p.20
M. TANAKA:Chromosome pairing and fertility in the hybrid between the new amphidiploid-SlSlAA and Emmer wheat, p.21
M. TANAKA:Spring- and winter-growing habit in Aegilops squarrosa var. typica, p.22
T. TSUCHIYA:Hybrids between Aegilops triaristata (4x) and Ae. comosa, Heldreichii and uniaristata, p.22
K. SAKANAGA:Cytological studies of hybrids involving Triticum durum and Secale cereale, p.23
A. T. PUGSLEY:Some aspects of backcrossing for disease resistance in cereals, p.24
G. NAKAJIMA:Frequency of bivalents in meiosis of intergeneric F1 hybrids between Emmer or Timopheevi wheat and Secale, p.25
G. NAKAJIMA:Frequency of bivalents in meiosis of intergeneric F1 hybrids between Dinkel wheat and Secale, p.27
E. SANCHEZ-MONGE:Fertility in Triticale, p.29
E. SANCHEZ-MONGE:Crossability of tetraploid wheat species with cultivated rye, p.30
F. C. ELLIOTT:Spring wheat breeding and the transfer of economic characters from related species and genera, p.30
M. MURAMATSU:An F1 hybrid between T. durum 8x and Agropyron trichophorum, p.31

II. H. KIHARA and K. YAMASHITA:A Summary of the Results of the Kyoto University Scientific Expedition to the Karakoram and Hindukush, May-August, 1955, p.32

III. S. NAKAO and T. KAWASE:Information of Norin Wheat Varieties in Japan, p.35

IV. Circulation List of WIS, p.36

V. News, p.37

VI. Announcement for the Next Issue, No. 4 , p.38

VII. Acknowledgement, p.38
Explanation of the Figures on the Cover, ...iii
Committee, ... iii
Errata of WIS No. 1 and No. 2, ... iv