TABLE OF CONTENTS

SOMACLONAL VARIATION IN PROGENIES OF PEA PLANTS
REGENERATED FROM TISSUE CULYURES.
T. Cardi

LIGHT/DARK CHANGES IN CO2 LEVELS IN THE POD SPACE OF GREEN,
PURPLE AND YELLOW PODDED LINES OF PISUM SATIVUM L.

Maria Donkin and David N. Price

CHROMOSOME ENGINEERING THROUGH THE TRANSFER OF P. fulvum
SATELLITES INTO P. sativum.
A. Errico and C. Conicella

SELECTION IN VITRO FOR ATRAZINE RESISTANCE IN PISUM SATIVUM L.
T. A. Ezhova, Nguen Thi Zung, A. M. Bagrova, and I.P. Vasil'ev

STABLE TRANSFORMATION OF PEA TISSUES AFTER CO-CULTIVATION
WITH TWO Agrobacterium tumefaciens STRAINS. 
E. Filippone and P. F. Lurquin

ASSIGNMENT OF LINKAGE SEGMENTS TO CHROMOSOMES 3, 4, 5 AND 7.

Donald Folkeson

HEAT TOLERANCE IN PISUM. 
W. Gottschalk

STUDIES ON A SEED PERPETUATED CONDITION IN COMMERCIAL SEED

LOTS OF PEAS WITH SYMPTOMS SIMILAR TO THOSE DESCRIBED FOR PSbMV.

W. A. Haglund, J. Hagen, and W. C. Anderson

INVESTIGATION OF PURPORTED NON-ELISA-DETECTABLE LATENT PEA

SEEDBORNE MOSAIC VIRUS INFECTION IN SELECTED U.S. COMMERCIAL

PEA SEEDLOTS. 
R. 0. Hampton and G. I. Mink

TWO NEW TECHNIQUES FOR SCREENING PEAS FOR RESISTANCE AGAINST

Ascohyta pisi . 
Heidi Jaiser

MUTANTS DEFECTIVE IN SYMBIOTIC NITROGEN FIXATION. 
B. E. Kneen, T. A. LaRue, and N..F. Weeden

PALE AXIL COLOR. 

G. A. Marx

PEA LEAF ARCHITECTURE: THE INTERACTION OF af, tl AND tac.

G. A. Marx

WAXLESS POD (wp) SHOWS LINKAGE ON CHROMOSOME 6.
G. A. Marx

A-2: A NEW LOCUS CONTROLLING ANTHOCYANIN PRODUCTION IN PISUM.

G. A. Marx, N. F. Weeden, and F. J. Muehlbauer

FLOWERING IN PISUM: SEPARATION OF GENOTYPES Sn Hr, Sn hr

AND sn- ON A lf E Dne BACKGROUND. 
I. C. Murfet and S. C. Cayzer

LONGEVITY OF PEA SEED IN STORAGE AT HOBART. 
I. C. Murfet and R. Cramp

ALLELISM TESTS ON LINES WITH THE ERECTOIDES PHENOTYPE.

J. B. Reid, J. J. Ross, and I.C. Murfet

INTERACTION OF THE det (DETERMINATE) MUTANT WITH OTHER

FLOWERING GENES. 
I. C. Murfet

GENOTYPE Le lv: AN EXTREMELY LONG INTERNODE LENGTH TYPE.

J. B. Reid

SURFACE SPREAD SYNAPTONEMAL COMPLEXES IN PISUM SATIVUM.

Karin Scheumann and Gisela Wolf

RELATIONSHIP BETWEEN INDUCTION OF MACRO- AND MICRO-MUTATIONS
FOLLOWING MUTAGENIC TREATMENT.  N. P. Singh and B. Sharma

LEAF ABERRATIONS - AN EFFECTIVE SCREENING TECHNIQUE FOR
MICROMUTATIONS IN PEAS. 
N. P. Singh and B. Sharma

DIFFERENTIAL RESPONSE OF POLYGENIC TRAITS TO MUTAGENIC

TREATMENT IN PEAS. 
N. P. Singh and B. Sharma

EFFICIENCY OF SELECTION FOR MICROMUTATIONS IN M2 GENERATION

IN PEAS. 
N. P. Singh and B. Sharma

NEW GENES LINKED TO R AND Tl IN PEA: HISTONE HI SLOW FRACTION

AND SEED ALBUMIN K9 GENES.
0. G. Smirnova, S. M. Rozov, and V.A. Berdnikov

TRYPSIN INHIBITOR GENES ARE LINKED TO R AND Tl.

0.G. Smirnova, S.M. Rozov, and V.A. Berdnikov

EVALUATION OF ALTERNATIVE ASSESSMENT OF RESISTANCE IN TESTS OF

PEAS WITH FUSARIUM OXYSPORUM f. sp. PISI.
Ingrid Stuhler and Heidi Jaiser

THE GENE lk (ERECTOIDES) ON CHROMOSOME 5. 
W. K. Swiecicki

NEW GENE CRISPOID (crd) ON CHROMOSOME 1. 
W. K. Swiecicki

A NEW GENE HETEROPHYLUS (het) ON CHROMOSOME 7.

W. K. Swiecicki

COMPARATIVE STUDIES OF THE SPONTANEOUS AND INDUCED VARIABILITY

IN CALLUS CULTURES AND REGENERATED PLANTS OF PEA.

N. S. Tikhvinskaya and S. A. Gostimski

OBSERVATION OF LINKAGE BETWEEN rui AND LOCI ON CHROMOSOME 6.

B. Wolko

Features

BREEDING PEAS FOR RESISTANCE TO SOIL-BORNE DISEASES.

John M. Kraft

DRY PEA PRODUCTION AND RESEARCH IN BRAZIL. 
L. de B. Giordano and F. J. B. Reifschneider

The Af-I-Aero-"Ch" GENE SYSTEM AND ITS USE AS A TEACHING AID.

G. A. Marx

New Cultivars

NEW CULTIVARS - DRY PEAS - REGISTERED IN POLAND IN 1988

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