PISUM NEWSLETTER VOLUME 20 1988
TABLE OF CONTENTS
Page
Preface.........................................................................1
Cover....................................................................2
Research Reports
MORE ON THE PEA'S NECTARIES AND INSECT VISITORS. S. L. Clement, L. A. Lathrop, and F. J. Muehlbauer............................3
CYTOLOGICAL EVIDENCE FOR BIPARENTAL TRANSMISSION OF PLASTID DNA
IN PISUM SATIVUM. J. L. Corriveau, A. W.Coleman, and
N. 0. Polans....................................................5
NEW CHLOROTICA GENE (chi 32) IN CHROMOSOME 3. St. Czerwinska ..9
A SCAFFOLD FOR A NEW LINKAGE GROUP (VII). D. Folkeson .........10
TETRAPLOIDY FOLLOWING X-IRRADIATION. W. Gottschalk............14
ELECTROPHORETIC ANALYSIS OF FIELD PEA CULTIVARS. A. Hussain,
S. T. Ali-Khan, and W. Bushuk..................................16
YIELD COMPONENTS AND THEIR INFLUENCE ON YIELD IN A BASIC COLLECTION FOR DRIED PEA BREEDING. H. Jaiser.................. 18
IMPROVING RESISTANCE TO APHANOMYCES ROOT ROT IN PEAS VIA RECURRENT SELECTION. M. E. Lewis and E. T. Gritton............ 20
ANOTHER CASE OF RECESSIVE INHERITANCE OF YELLOW COTYLEDON
COLOR. G. A. Marx.............................................21
THE ISOLATION OF TWO CHLOROPHYLL MUTANTS, EACH EXPRESSING AS A COTYLEDON CHARACTER. G. A. Marx................................24
A HERITABLE FACTOR ON CHROMOSOME 6 AFFECTING SEED COAT BRIGHTNESS. G. A. Marx.........................................25
TRANSFORMATIONS OF MALE REPRODUCTIVE ORGANS INTO FEMALE ORGANS
AND FEMALE STERILITY IN COCHLEATA MUTANTS OF PISUM SATIVUM.
E. Molchova, M. Vassileva, and M. Micailova.....................26
INTERNODE LENGTH IN PISUM; EFFECT OF THE crys/cryc DIFFERENCE ON RESPONSE TO A DAYLENGTH EXTENSION WITH INCANDESCENT LIGHT. I.C. Murfet.....................................................28
LINKAGE RELATIONSHIP OF PISUM GENES st, m, AND hr.
I. C. Murfet......................................................29
SOURCES OF RESISTANCE TO PATHOTYPES OF PEA SEED-BORNE MOSAIC
VIRUS IN THE U.S. PLANT INTRODUCTIONS OF PISUM SATIVUM.
R. Provvidenti and R. Alconero.................................30
AN ANLYSIS OF THE SYMBIOTIC PROPERTIES OF PEA MUTANTS.
K. K. Sidorova and S. N. Stolyarova.............................32
SUPPLEMENTAL MAPPING DATA FOR CHROMOSOME 6. A. Skarzynska......34
A THIRD COSTATA GENE (Ium-3) ON CHROMOSOME 5. W. K. Swiecicki . 36
RUINOUS (rui): NEW COMPLEX, STERILE GENE. W. K. Swiecicki. . . 38
GENETICS OF EARLY FLOWERING PEA MUTANTS. L. P. Uzhintseva and
K. K. Sidorova...............................................39
BREEDING PROGRAMS FOR DISEASE RESISTANCE UNDERWAY AT THE FOUNDATION FOR AGRICULTURAL PLANT BREEDING (SVP), WAGENINGEN, THE NETHERLANDS. J.J.A. van Loon, J.-L. Harrewijn, N. van Dijk, and A. van Norel................................................40
LINKAGE BETWEEN Tpi-p AND Le. N. F. Weeden and D. M. Hagens . . 42
A SUGGESTION FOR THE NOMENCLATURE OF ISOZYME LOCI. N. F. Weeden 44
POLYMORPHIC ISOZYME LOCI IDENTIFIED IN PISUM. N. F. Weeden . . 46
MAPPING OF THE Sn LOCUS TO CHROMOSOME 2. N. F. Weeden,
B. E. Kneen, and I. C. Muriet..................................49
LINKAGE BETWEEN Dia-1 AND LOCI ON CHROMOSOME 3. B. Wolko
and N. F. Weeden.................................................52
Feature
DEVELOPMENTS IN FIELD PEAS IN VICTORIA, AUSTRALIA.
J. B. Brouwer....................................................54
Announcements
PROCEDURES FOR REGISTRATION OF FIELD PEA CULTIVARS IN CANADA.
S. T. Ali-Khan........................................................................57
IBPGR/FAO AGREEMENT. W. K. Swiecicki and K. Leraczyk ..........57
Germplasm Releases
RELEASE OF PEA BREEDING LINES 86-638, 86-2197, AND 86-2236.
J. M. Kralt.....................................................58
New Cultivars.......................................................59
Index.....................................................................60