Table of Contents

Cover........................................................................................................................................              

PGA Notes.................................................................................................................................  

Research Papers

Tl2, a new locus resembling Tl in its action

      Berdnikov, V.A. and Gorel, F.L............................................................................................. 1  

Observation of a phenomenon resembling hybrid dysgenesis, in a wild pea subspecies
Pisum sativum ssp. elatius

      Bogdanova, V.S. and Berdnikov, V.A..................................................................................... 5  

Coiling shoot (csh), a new mutation affecting shoot gravitropism

      Gorel, F.L. and Berdnikov, V.A............................................................................................. 9  

Mapping of two thiamin deficiency genes of pea

      Hagh Nazari, A., Sharma, B. and Mishra, S.K....................................................................... 11  

The genetic linkage map of pea (Pisum sativum L.) based on molecular, biochemical
and morphological markers

      Irzykowska, L., Wolko, B., and Święcicki, W.K.................................................................... 13  

Supplemental data on fasciata genes in Pisum resources

      Święcicki W.K.................................................................................................................... 19  

Allozyme analysis of Pisum sativum ssp. abyssinicum and the development of a genotypic definition
for this subspecies

      Weeden, N.F. and Wolko, B................................................................................................ 21  

Brief Communications

Map position of the locus Ins2

      Berdnikov, V.A. and Gorel, F.L........................................................................................... 25  

Mapping of the breakpoints of the Twt-translocation

      Gorel, F.L, and Berdnikov, V.A........................................................................................... 27  

Linkage between Brac and Idh on linkage group I of Pisum sativum

      Hagh Nazari, A. and Sharma, B........................................................................................... 28  

Confirmation on location of Dsc on linkage group VI

      Hagh Nazari, A., and Sharma, B.......................................................................................... 29  

Symbiotic locus Sym38 is localized in linkage group V.

      Koroleva T.A., Voroshilova V.A., Tsyganov, V.E., Borisov A.Y. and .Tikhonovich I.A........... 30  

The gene responsible for serrate leaflets in P. sativum ssp. abyssinicum is on linkage group III
tightly linked to an STS marker

      Lorenzi, V., Murphy, R.L. and Weeden, N.F........................................................................ 31  

Gene symbol for the erectoides-type, short-internode mutant Wt 11242

      Murfet, I.C......................................................................................................................... 33  

The new gene alts determining stem chlorophyll deficiency in pea

      Sidorova, K.K. and Mischenko, T.M.................................................................................... 33  

Dominant symbiotic pea mutations

      Sidorova, K.K., Shumny, V.K., Vlasova E. Yu, and Mischenko, T.M..................................... 35  

Fix^- mutants RisFixA and RisFixV carry mutations in newly identified pea genes 
sym41 and sym42, respectively

       Tsyganov, V.E., Borisov A.Y. and Tikhonovich I.A…………………………….……………..36  

Four more symbiotic mutants obtained using EMS mutagenesis of line SGE

       Tsyganov, V.E., Voroshilova, V.A., Rozov, S.M., Borisov, A.Y. and Tikhonovich I.A.37  

Abstracts of Oral Presentations

      NAPIA Meeting, October 28-30, 2001, Fargo, North Dakota.................................................. 38  

Abstracts of Poster Presentations

      NAPIA Meeting, October 28-30, 2001, Fargo, North Dakota................................................. 49  

Pisum Genetics Association Membership List.........................................................................54