Wheat Information Service No.12 Wheat Information Service No.12


Contents

I. Research Notes:
K. TSUNEWAKI and H. KIHARA:F1 monosomic analysis of Triticum macha, p.1
M. OKAMOTO:Introduction of telocentric chromosome of Chinese Spring wheat into Emmer wheat, p.3
Ching-jang Yu:The Rivet wheat in north-western China: A comment of Dr. Hosono's hypothesis on the route of introduction of wheat to China, p.4
M. MURAMATSU:Dosage Effect of the spelta Gene q1, p.5
M. P. BHATNAGAR, R. P. CHANDOLA and A. K. SANGHI:Genetic effects of pile neutrons on bread wheats, p.6
Y. WATANABE and K. MUKADE:Studies on the induction of mutations by P32 in wheat. III. Chromosomal aberrations in R1 generation, with special reference to the differences of chromosome numbers and of meiotic behaviors, p.7
S. MATSUMURA and M. NEZU:Radiation effects of fast and thermal neutrons on wheat: III. Relation between ploidy and radiation effects, p.9
S. MATSUMURA and K. KATSUYA:Susceptibility of nullisomic wheat dwarfs and their respective gigas-plants to leaf-rust, Puccinia triticina, p.10
M. TANAKA:New amphidiploids, synthesized 6x-wheats, derived from Emmer wheat x Aegilops squarrosa, p.11
E. R. SEARS:Identification of the wheat chromosome carrying leaf-rust resistance from Aegilops umbellulata, p.12
Y. CAUDERON and B. SAIGNE:New interspecific and intergeneric hybrids involving Agropyrum, p.13
Y. CAUDERON:List of the Agropyrum and interspecific hybrids of Agropyrum (and of some Hordeum) grown at The Plant Breeding Institute of Clermont-Ferrand, p.15
Y. CAUDERON:Interspecific and intergeneric hybrids in Hordeeae produced and grown at The Plant Breeding Institute of Clermont-Ferrand, p.18
Y. CAUDERON:List of the Triticum-Agropyrum hybrids produced and grown at The Plant Breeding Institute of Clermont-Ferrand, p.19
Y. CAUDERON:Amphiploids in (Triticum x Agropyrum) Hybrids produced and grown at The Plant Breeding Institute of Clermont-Ferrand, p.20
K. L. MEHRA and J. S. BAKSHI:Morphological analysis of Sando derived wheat x wheat-grass hybrids, p.20
J. G. Th. HERMSEN:The symbolization of complementary necrosis genes in wheat: a proposal, p.22

II. Exploration Results of the BMUK 1959, II.:
K. YAMASHITA and M. TANAKA:Some aspects regarding the collected materials of Triticum and Aegilops from the eastern Mediterranean countries. II., p.24

III. Editorial Remarks, p.30
Committee; Explanation of the Figure on the Cover; Acknowledgement, ...iii