PISUM NEWSLETTER
Volume 12 J980
TABLE OF CONTENTS
Page
Preface ............................... 1
J Cover ................................ 2
Research Reports
NEW TECHNIQUES TO SCREEN PEA SEEDLINGS FOR RESISTANCE TO
SCLEROTINIA WHITE MOLD. B. L. Blanchette and D. L. Auld. ... 3
DOSAGE EFFECTS AT THE R LOCUS ON THE PROPERTIES OF THE STARCH
FRACTIONS. C. D. Boyer, P. A. Damewood, and G. L. Matters ... 7
DIGENIC SEGREGATION FOR CHLOROPHYLL MUTANT IN PISUM.
T. A. Ezhova and S. A. Gostimski................ 9
LOCATION OF NEW TRANSLOCATION IN PISUM. T. A. Ezhova and •
S. A. Gostimski.........................10
A CHLORATE RESISTANT NITRATE REDUCTASE-DEFICIENT PEA MUTANT.
W. J. Feenstra and E. Jacobsen.................11
FREQUENCY CHANGES IN MIXTURES OF Af-af, St-st, Tl-tl GROWN UNDER
MINIMAL AND INTENSE COMPETITION. T. J. Glover ......... 12
DESYNAPTIC ALLELIC PEA MUTANTS. S. A. Gostimski and T. A. Ezhova 14
THE EFFICIENCY OF SOME MICRO-MUTANTS. W. Gottschalk ...... 16
THE SEED PROTEIN PRODUCTION OF HIGH-YELDING PISUM GENOTYPES.
W. Gottschalk..........................18
A DWARFY PISUM GENOTYPE WITH AN EXCEPTIONALLY HIGH PHYSIOLOGICAL
EFFICIENCY. W. Gottschalk ................... 20
IMPROVEMENT OF SEED PRODUCTION OF THE afila MUTANT. W. Gottschalk 21
ACTION OF GENE gf_ AS INFLUENCED BY ENVIRONOMENT AND BACKGROUND
GENOTYPE. W. Gottschalk .................... 23
IMPROVEMENT OF AN EARLY FLOWERING GENOTYPE THROUGH RECOMBINATION.
W. Gottschalk..........................2&
Page
LINKAGE OF THE en AND st GENES IN PEAS. E. T. Gritton and
D. J. Hagedorn.......................... 26
WITHIN-LINE HETEROGENEITY FOR GENE sbm IN THE U.S. PISUM COLLECTION.
R. 0. Hampton. .......................... 27
PEA SEEDBORNE MOSAIC SYMPTOM VARIATION AMONG PISUM PLANT INTRODUCTION
ACCESSIONS: EXPRESSIONS AND VARIATION IN SYMPTOM EXPRESSION AMONG
DIFFERENT GENOTYPES OF PISUM AND THE PATHOLOGICAL IMPLICATIONS.
R. 0. Hampton........................... 29
THE SEED PRODUCTION OF RECOMBINANTS IN COMPARISON WITH THEIR
PARENTS. K. Hartmann....................... 30
GENETIC VARIATION IN ROOT NODULE FORMATION OF DIFFERENT PEA CULTIVARS.
S. E. Jacobsen and K. W. Henningsen................ 32
THE OCCURRENCE AND SOMATIC CHROMOSOME NUMBER OF TWIN FORMS IN PISUM
SATIVUM. E. Jacobsen and W. J. Feenstra............. 34
GENETIC VARIABILITY AND CORRELATIONS AMONG METRIC TRAITS OF SOME HIGH
PROTEIN PEA LINES. M.L.H. Kaul.................. 35
GENTOYPE-ENVIRONMENT INTERACTION IN PEA. M.L.H. Kaul, V. Goel, and
B. K. Yadav............................ 38
CORRELATION COEFFICIENTS AMONG SUGAR, PROTEIN, AND YIELDS IN NINE
LINES OF PEA. A. Krarup..................... 40
SULFUR CONTENT AS A SCREENING CRITERION FOR METHIONINE AND CYSTEINE
LEVEL IN PEA SEEDS. F. Krzywinska, J. Przybylska, and J. Hurich . 41
APPLICATION OF THE INTERCROSS METHOD TO PISUM. R. L. Lamm .... 42
FASCIATION AND HETEROSIS IN PEA. W. E. Lonnig.......... 44
LINKAGE RELATIONS OF bulf. G. A. Marx.............. 47
LINKAGE RELATIONS OF A MUTANT CONFERRING MECHANICAL STERILITY.
G. A. Marx............................ 48
A GRAY-GREEN FOLIAGE MUTANT, POSSIBLY WELLENSIEK'S "lead".
G. A. Marx............................ 50
A MUTANT CAUSING NECROSIS OF THE LEAFLET MARGINS. G. A. Marx. . . 52
PEA MUTATIONS OF PRACTICAL VALUE. L. M. Monti, F. Saccardo, and
Pi Vitale............................. 54
ISOLATION OF THE STORAGE PROTEINS OF PEA SEEDS. 11. P. Muller. . . 55
CHARACTERIZATION OF TISSUE-SPECIFIC SEED PROTEINS IN PISUM.
H. P. Muller........................... 57
Page
THE MAP DISTANCE BETWEEN THE e AND wlo LOCI. I. C. Murfet .... 59
FURTHER DATA ON THE ASSORTMENT OF THE sn LOCUS. I. C. Murfet. . . 60
SHOOT TIP ABORTION IN PEA SEEDLINGS (PI 356980) AS AFFECTED BY
GERMINATION TEMPERATURE. C. Nozzolillo.............. 61
INDUCTION OF CHROMOSOME DUPLICATIONS IN PEAS. F. Saccardo,
N. La Gioia, and L. M. Monti................... 62
THE IMPORTANCE OF MYCORRHIZAL INFECTION FOR THE GROWTH AND
DEVELOPMENT OF THE PEA PLANT. B. Snoad.............. 64
QUANTITATIVE AND QUALITATIVE VARIATION OF PROTEIN IN PEA SEEDS.
W. Swiecicki......................... 66
INHERITANCE OF PROTEIN CONTENT IN PEA. I. INHERITANCE OF PROTEIN
CONTENT ON THE BASIS OF DIALLELIC CROSSES. W. K. Swiecicki,
Z. Kaczmarek, and M. Surma.................... 67
INHERITANCE OF PROTEIN CONTENT IN PEA. II. HERITABILITY OF
PROTEIN CONTENT IN RANGER X STRAL AND PALOMA X STRAL CROSSES.
W. K. Swiecicki, Z. Kaczmarek, and M. Surma............ 68
CHANGE IN PROPORTION OF PEA FOLIAGE TYPES AFTER ONE SEASON OF
GROWTH AS A MIXTURE. T. C. Wehner and E. T. Gritton....... 70
LOW-TEMPERATURE SEED GERMINATION TESTS. T. C. Wehner and
E. T. Gritton........................... 72
SELECTION CRITERIA FOR BREEDING WRINKLED PEAS SPECIALLY SUITED
FOR FREEZE-DRYING. E. Wende................... 74
ROLE OF THE r GENE IN PLASTID INSERTION OF PHOSPHORYLASES.
A. F. Williams.......................... 75
ELECTROPHORETICAL INVESTIGATIONS ON SEED ALBUMINS OF PISUM
SATIVUM: IDENTIFICATION OF SEVERAL ENZYMES. G. Wolff...... 76
Feature: Pea Gene Bank in Poland. W. K. Swiecicki and W. Swiecicki, Sr. 78
Announcements.............................. 79
Stocks requested ............................ 79
Erratum................................. 79
NONE OF THE INFORMATION HEREIN SHOULD BE USED
IN PUBLICATIONS WITHOUT OBTAINING AUTHOR'S CONSENT