TABLE OF CONTENTS

Page

Linkage Map

Cover

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Preface

1

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Review

 

Winterhardiness of pea. G.A. Murray and J.B. Swensen

4

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Research Reports

 

Supplemental mapping of the gene Chi-32 on chromosome 3.
St. Czerwinska and B. Wolko

14

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Early flowering mutants Wt11790 and Wt11791 result from mutation at the Lf locus.
I.C. Murfet

16

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Differences in flowering behaviour between Ranny Zeleny and regenerant lines developed from callus culture are attributable to variation at the Lf and Sn loci.
I.C. Murfet and T.A. Ezhova

19

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Chromosomal distribution of genes for resistance to seven potyviruses in Pisum sativum.
R. Provvidenti and R.O. Hampton

26

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Intsrnode length in Pisum: le5839 is a less severe allele than Mendel's le.
J.J. Ross

29

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K219, an early flowering mutant with neutral reaction to photoperiod.
K.K. Sidorova and L.P. Uzhintseva

35

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Brown leaf spots (bls): a new gene on chromosome 6.
W.K. Swiecicki

38

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Additional mapping data for lum-2 on chromosome 3.
W.K. Swiecicki. and B. Wolko

40

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Prx-3 is linked to sbm, the gene conferring resistance to seedbome mosaic virus.
N.F. Weeden, R. Provvidenti and B. Wolko

42

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The response to light quality in a yellow-green Pisum mutant.
J. Weller and J.B. Reid

44

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Research Report - Germplasm Resources

 

G-1000 Marx's pea breeding line for multiviral resistance.
R. Provvidenti, R.O. Hampton and F.J. Muehlbauer

50

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Germplasm Resources

 

Transfer of the USDA Pisum Collection from Geneva, NY to Pullman, WA, USA.
J.R. McFerson

53

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The Marx Pisum Genetic Stocks Collection.
J.R. McFerson

53

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VIR-USSR Pisum Collection and European Pisum database.
K. Leraczyk

54

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New Variety

54

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Abstract

 

Genetics of string fonnation in pea pods.
Rebecca J. McGee and J.R. Baggett

55

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Gene Symbols

 

Symbol Pmv for plantago mottle virus resistance changed to Plmv

56

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Cover

The linkage map update was supplied by the Linkage Map Committee: N.F. Weeden (Coordinator), M. Ambrose and W.K. Swiecicki.