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Wheat Information Service No.72


Contents
Muramatu M:
In memory of Professor E.R.Sears(15 October 1910 -15 February 1991)

I. Articles
Misra AK and Gupta PK:
Production of D addition lines tetraploid wheat I,p.3
Tomar SMS,Kochumadhavan M and Nambisan PNN: Hybrid weakness in Triticum dicoccum Schubl.,p.9
Srivastava OP: Use of weak-necrotic mutant variety PNC 306 to preclude hybrid lethality in wheat crosses,p.12
Kumar R,Negi HCS and Kant K: Seedling studies on dwarf mutants of tall varieties of rainfed wheat,p.14
Afshan A and Vahidy AA: Ditelosomic analysis of some morphological characters in wheat,Triticum aestivum cv. "Chinese Spring" ,p.18
Bisht SS and Malik BS: Studies on varietal mixtures in wheat,p.25
Mokhashi SJ,Talwar SN and Venkatasubbaiah K: Scope of some physiological characters in improvement of durum wheat under stress condition,p.30
Kumar A and Chowdhury RK: Stability parameters of grain yield and its components in durum wheat,p.35
Singh I and Behl RK: Genetic divergence in some wheat strains and their hybrids,p.42
Kumar A and Tripathi RP: Scheduling irrigation in wheat through leaf water potential ,p.46
Khamankar YG: Induced variability and selection for yield conmponents in bread wheat,p.51

II. Genetic Stocks
Kawahara T:
List of Cs1 and Cs2 carrier in tetraploid wheats,p.58

III. Records
Proceedings of 22th Wheat Genetics Symposium of Japan(1990)
Nishikawa K:
Chromosome mapping by use of aneuploids in wheat,p.60
Mukai Y: Physical mapping of wheat genes using in situ hybridization method and deletios,p.64
Tsunewaki K: RFLP analysis of common wheat and its ancestors,p.67
Furuta Y and Ohta S: Field research of wheat,barley and their wild relatives in southern Italy and Greece,1990,p.70
Ogihara Y,Shimidzu H,Machida S and Sasakuma T: Construction of genomic clone bank of Triticum monococum Early mutant for RFLP analysis of wheat,p.74
Mori N,Liu YG,Nakamura C and Tsunewaki K: Genetic differentiation between two wild tetraploid wheats,Triticum dicoccoides and T. araraticum as revealed by RFLP analysis of organellar and nuclear DNA,p.76
Yasumuro N,Nakata N and Tomita M:
Two Sec 3 loci of HMW secalin on the long arm of chromosome 1R in rye (Secale cereale L.),p.79
Kawahara T:
Further analysis of Cs chlorosis observed in hybrid bitween the Emmer and the Timopheevi group of tetraploid wheats,p.83
Sano J:
The difference of genes responsibile for homoeologous pairing induction between Aegilops speltoides and Ae. sharonensis and its evolutionary significance,p.84
Suzuki T,K,Sakagami H.and Nakamura C: Characterzation of alloplasmic common wheat with Agropyron cytoplasms,p.85
Kasai K,Yamagami C,Kubota Y and Nakamura C: Photosynthesis and respiration in eu- and alloplasmic common wheat with cyto-plasms of Triticum and Aegilops,p.88
Murai K,Hirohara H,and Tsunewaki K: A new system for hybrid wheat production using Aegilops crassa cytoplasm,p.91
Kato K,Chowdhury SH and Harada S: Effect of culture condition on plant regeneration capacity of mature embryo derived callus in wheat (Triticum aestivum L.),p.95
Tujimoto H,Sasakuma T and Ogihara Y: Somatic genome analysis: Cloning of C-genome specific sequence,p.98
Yanamoto M and Mukai Y: Chromosome mapping of ribosomal RNA genes in Triticum spelta by in situ hybridization,p.99
Fujigaki J: Synaptonemal complex of rye,p.102
Niwa K and Sakamoto S:
On the origin of rye B chromosomes,p.103
Morikawa T: Isozyme and chromosome polymorphisms of the genus Avena and its geographic distribution in Morcco,p.104
Shimada T,Seki M and Morikawa H: Transient expression of beta-glucuronidase(GUS) gene in wheat pollen embryos via microprojectile bombardment,p.106

IV. Information
Kihara Memorial International Symposium Cytoplasmic Engineering in Wheat,p.109

V. Editorial Remarks
Regulations
..........i
Announcement for Future Issues
,p.111
Aknowledgment
,p.111
Coordinating Committee
.......... ii
Explanation of Picture on the Cover
.......... ii