PGA

Pisum Genetics Association PISUM GENETICS
The Pisum NewsLetter till 1990


            
Volume 18, 1986              
Published by PGA since 1969

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COVER

     R. H. Lock, whose likeness is depicted on the cover, made   several important early contributions to the genetic literature   of Pisum.  Born and educated in England, Dr. Lock spent his most productive scientific years in Ceylon (now Sri Lanka) at the   Royal Botanic Garden, Peradenyia. He died at an earlv age (36)   but not before be published about twenty papers (four of which   are relevant to pea genetics) and two books. His book, "Recent   Progress In the Study of Variation, Heredity and Evolution",   first published in 1906, endured through four editions. Because   he received his graduate training during those extraordinary days   when Mendel's work was rediscovered, and because he enjoyed the   confidence and encouragement of William Rateson, Lock undertook   to confirm and extend Mendel's findings. This he did with consummate success. His 1908 paper, "The present state of knowledge  of heredity in Pisum", summarises what was known about the subject at the time.  Incidentally, many of the populations analyzed by Lock came from crosses made by Batesou, thus emphasising the close tie between these two pioneerinc workers.  Tn his work with peas Lock not only confirmed the work of Mendel but also demonstrated the phenomenon of epistasis, added a number of new  genes to the original seven described by Mendel, and commented  upon the question of species and phylogenetic relationships.  Moreover, he was the first to use descriptive symbols for  Mendelian genes.

   (The drawing was executed by Elaine Gotham from a photo found in  the archives of the John Innes Institute and kindly furnished by  Dr. Peter Matthews.)

    PNL Vol. 18 CONTENTS

Preface page HTML PDF
Research Reports  

 

 

 SEED PROTEIN PRODUCTION OF SOME PISUM MUTANTS AND RECOMBINANTS.
  
A.  Abou-Salha

3

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 TENTATIVE  DESCRIPTION OF THE put GENE WHICH CONDITIONS DARK
 PURPLE TESTA IN PEAS.  M. Bland, D.L. Auld, M.J. Dial, and
 J.C. Crock

5

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 THE EFFECT OF THE GENOTYPE ON IN VITRO ROOTING OF PEA SHOOTS.
 T. Cardi and E. FiLippone

7

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 EFFECT OF YEAR AND SPACING ON COMBINING ABILITY IN PEA.
 L. Csizmadla

10

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 BRANCHING IN PISUM: EFFECT OF THE FLOWERING AND LENGTH GENES.
 R. S. Floyd and I. C. Murfet

12

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 PHOTO- AND THERMO-SUSCEPTIBLE CHLOROPHYLL MUTANTS OF PISUM
 SATIVUM. W. Gottschalk

16

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 FLOWERING OF FASCIATED RECOMBINANTS UNDER SHORT DAY PHYTOTRON
 CONDITIONS. W. Gottschalk

17

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 THE REACTION OF PISUM GENOTYPES TO EXTREME SHORT DAY CONDITIONS.
 W. Gottschalk

19

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 HEP 4, A HIGH YIELDING LEAFLESS STRAIN OF PEA.
 
K. R. Gupta
21

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 GEOGRAPHIC ORIGIN OF PEA SEEDBORNE MOSAIC VIRUS: AN HYPOTHESIS.
 R. 0. Hampton

22

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 LOCALIZATION OF NITRATE REDUCTION IN SOME PISUM GENOTYPES.
 E. S. Jensen

27

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 VARIATION IN NODULATION CAPACITY OF PEA VARIETIES.
 F. H.
Jensen

30

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 ARTIFICIAL POLYPLOIDS OF THE PEA.
 G. Kasperek
32

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 ADDITIONAL MUTANTS DEFECTIVE IN NODULATION.
 B.E. Kneen and T.A. LaRue

33

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 A NEW INTERPRETATION OF HAMMARLUND'S K-LINE.
 R. Lamm
34

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 LATERAL ROOT INITIATION IN RHIZOBIUM INOCULATED PEA SEEDLINGS.
 W. J. M. Lommen

37

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 LOCATION OF er PROVING ELUSIVE.
 G. A. Marx
39

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 LINKAGE OF AN AEROMACULATA MUTANT ON CHROMOSOME 1
 G. A. Marx
42

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 LINKAGE RELATIONS OF Curl, Orc, AND "Det" WITH MARKERS ON
 CHROMOSOME 7. G. A. Marx

45

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 TENDRILLED ACACIA (tac): AN ALLELE AT THE uni LOCUS.
 
G. A. Marx
49

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 QUANTITATIVE EVALUATION OF ENZYME ACTIVITIES IN SEEDS FROM FIELD-
 AND PHYTOTRON-CULTIVATED PLANTS. H.P. Muller

53

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 AN ALLOZYMIC POLYMORPHISM IN PEA MALATE DEHYDROGENASE IS SPECIFIED
 BY A LOCUS ON CHROMOSOME 1.
 E. Pagowska and N. F. Weeden

54   HTML    PDF 

 A GENERAL DESCRIPTION OF POD DEVELOPMENT IN PISUM SATIVUM.
 D. N. Price and I. E. Hayward

56

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 EFFECT OF GIBBERELLTN TREATMENT ON THE EXPRESSIVITY OF MUTANT
 GENES IN HOMO- AND HETEROZYGOUS CONDITION.
 K. K. Sidorova

59

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 THE IDENTIFICATION OF PISUM CHROMOSOME 7 IN THE INTERPHASE
 NUCLEUS.
 G. Wolff

61

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 TWO INTERCHANGE LINES OF PISUM SATIVUM 'DIPPES GELBE VIKTORIA'
 (DGV) STUDIED BY MEANS OF THE C-BANDING TECHNIQUE.
 G.
Wolff

64

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Commentary  

   

 

 GENERAL CONSIDERATIONS FOR THE USE OF PEA GENOTYPES FOR MODELS
 OF PLANT MORPHOGENESIS.
 H. W. Ingensiep

67

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Stocks available
69

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Supplementary linkage data
70

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Directory of members
71

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