Wheat Information Service No.52 Wheat Information Service No.52



Contents

I. Research Notes:
K.S. GILL, G.S. NANDA & G. SINGH:Studies on multilines in Wheat (Triticum aestivum L.). 10. Genetic analysis of inter-genotypic interactions amongst components of Kalyansona multilines for agronomic characters, p.1
N.C. SINGHAL & M.P. SINGH:Monosomic analysis of yield and yield components in wheat cultivars, p.7
N. WATANABE:Competitive abilities of the resynthesized hexaploid wheats, p.11
T. SASAKUMA & H. KIHARA:A synthesized common wheat obtained from a triploid hybrid, Aegilops squarrosa var. strangulata (female) x Triticum durum (male), p.14
H.C. SHARMA & B.S. GILL:New hybrids between Agropyron and wheat. I. A. ciliare x wheat and A. smithii x wheat, p.19
I. OHTSUKA:Classification of tetraploid wheats based on differential response of their genomes to Aegilops squarrosa cytoplasm, p.23
K. NODA:C-banding technique for wheat chromosomes, p.29

II. Records:
Abstracts of the 16th Wheat Genetics Symposium of Japan, p.32
Taihachi KAWAHARA and Masatake TANAKA:Intraspecific differentiations in chromosome Structures of the wild tetraploid wheats, p.33
Shoji OHTA and Masatake TANAKA:Reconsideration of the genome of Aegilops mutica Boiss. based on the chromosome pairing in interspecific and intergeneric hybrids, p.33
Shigeatsu MATSUBARA and Ichiro OHTSUKA:Transmission of D genome chromosome in alloplasmic pentaploid wheat, p.34
Koichiro TSUNEWAKI:Genetic diversity of the cytoplasm among Triticum and Aegilops Species having s and M group genomes, revealed by the fertility spectrum, p.36
M. SASAKI., N. NAKATA and Y. YASUMURO:Chromosomal locations of genes controlling the Seed fertility of Chinese Spring against to the alien cytoplasms, p.37
Yasunari OGIHARA:Characterization of mitochondrial DNAS in two alloplasmic and a normal line of common wheat by four restriction enzymes, p.38
Takaji IKUSHIMA:DNA Synthesis and cell division in alloplasmic lines of common wheat, Triticum aestivum cv. Chinese Spring, p.39
Ichizo NISHIYAMA:Aegilops-Triticum hybridization in view of PNA hypothesis, p.39
Hikaru NISHIUCHI:The efficient means of the nurse-seedling and planting, p.41
Hajime ONO:The alien chromosome substitution line of durum wheat I. Substitution of the chromosome e1 of Agropyron elongatum for the chromosome 1B of Triticum durum cv. Stewart, p.42
Hisashi TSUJIMOTO:The alien chromosome substitution line of durum Wheat II. Substitution of the chromsome e7 of Agropyron elongatum for the chromosome 4A of Triticum durum cv. Stewart, p.43
Masataka MORITA:Analysis of primary infection and host response of wheat to powdery mildew fungus, p.44

III. Gene Symbols:
R.A. MCINTOSH:Catalogue of gene symbols for wheat, 1981 supplement, p.45

IV. News:
The sixth International Wheat Genetics Symposium, p.47

V. Editorial Remarks:
Announcement for Future Issues, p.49
Membership Fee, p.49
Acknowledgement, p.49
Explanation of the Figure on the Cover, ...iii
Coordinating Commitee, ...iii