Report of the
Tomato Genetics Cooperative, Vol. 42

                    TABLE OF CONTENTS

COVER                                                         0

SYMPOSIUM ANNOUNCEMENT                                        1

FOREWORD                                                      2

EDITORIAL                                                     5

        
ARABIDOPSIS RULES PROPOSED FOR TOMATO                      5
        
RULES FOR NOMENCLATURE IN TOMATO GENETICS                  6

REPORTS

The identification of three new blossom-end morphology 
  genes: n-2, n-3, and n-4. Barten, J.H.M., Scott, J.W. and 
  Gardner,  R.G.                                           9
Pith Necrosis of Greenhouse Tomato Caused by Pseudomonas 
  viridiflava in Bulgaria.  Bogatzevska, N., Ilieva, E. and 
  Sotirova, V.                                            11
Occurrence of two pathotypes of Xanthomonas campestris 
  pv. vesicatoria on tomato in Bulgaria.  Bogatzevska, N. 
  and Sotirova, V.                                        11
Survival of Xanthomonas campestris pv. vesicatoriaon weeds 
  in Bulgaria.  Bogatzevska, N. and Boneva, P.            12
Screening Lycopersicon germplasm for resistance to a 
  Brazilian isolate of tomato spotted wilt virus (TSWV).  
  Boiteux, L.S. and Giordano, L. de B.                    13
RFLPs within tomato cultivars.  Chapman, C.G.D., Phillips,W. 
  and Jack, P.L.                                          14
Genetic investigations of the "erectoid leaf" character in 
  tomatoes.  Georiev, Chr. and Kraptchev, B.              14
Acylsugars of L. pennellii deter feeding and oviposition of 
  the leafminer L. trifolii.  Hawthorne, D.J., 
  Shapiro, J. A., Tingey, W.M. and Mutschler,  M.A.       15
Distribution of insertion sites of the maize transposon, Ds, 
  in the tomato genome.  Healy, J., Corr, C., DeYoung, J., 
  and Baker, B.                                           16
Two Species of Pythium - New Pathogens on Tomatoes in 
  Bulgaria.  Ilieva, E.                                   18
Fusarium Species on Greenhouse Tomatoes in Bulgaria.  
  Ilieva, E., Vuchev, Ts.                                 18
Locations of genes for resistance to Cladosporium fulvum 
  on the classical and RFLP maps of tomato.  Jones, D.A.,  
  Balint-Kurti, P.J.,  Dickinson, M.J. , Dixon, M.S. and 
  Jones, J.D.G.                                           19
Identification of (2,3,4-tri-O-acyl)-a-D-glucopyranosyl-
  (3-O-acyl)-b-Dfructofuranoside, responsable of the high 
  level of leafminer resistance in Lycopersicon cheesmanii. 
  Jouy, N., Bordat, D. and Bessiere, J.M.                 22
Acylglucoses of the wild tomato Lycopersicon pennellii deter 
  feeding, inhibit growth and reduce survival of fruitworm, 
  Heliothus zea, and armyworm, Spedoptera exigua.  Juvik, J., 
  Shapiro, J.A. and Mutschler, M.A.                       23
FORL resistance in Tm-22-ah lines.  Laterrot, H. 
  and Moretti, A.                                         24
Creation of the population COCABUL with Corynebacterium 
  resistance.  Laterrot, H.                               25
Pseudomonas tomato resistance in Lycopersicon hirsutum 
  without Fenthion necrosis.  Laterrot, H. 
  and Moretti, A.                                         26
An F2 between Lycopersicon esculentum cv Allround and 
  L.  pennellii for mapping studies.  Odinot, P., Pet, G.  
  and Lindhout, P.                                        27
Reoccurence of gene ai in an albanian tomatoline.
  Pasko, P., Moretti, A. and Laterrot, H.                 29
Identification of a dominant wilty mutation.  Rasmussen, K. 
  and  Peirce, L. C.                                      30
Polycot (pct), a useful new seedling marker for 9S.  
  Rick, C.M., Baergen, K., Chmielewska, W., Tarquis, A.M.,
  Chetelat, R.T.                                          31
Source of Mi gene.  Rick, C.M.                            33
New alleles at old loci: anthocyanin deficiencies.  
  Rick, C.M. and Kosola, K.                               34
Cytokinins and abscisic acid in roots of the normal and the 
  stamenless-2 mutant of tomato.  Singh, S. 
  and Sawhney, V.K.                                       34
Acylsugars produced by type IV trichomes of Lycopersicon 
  pennellii condition resistance to green peach aphid 
  (Myzus persicae ).  Rodriguez1,A.E., Tingey2, W.M. AND 
  Mutschler1, M.A.                                        36
Evaluation of wild Lycopersicon species accessions for 
  resistance to bacterial spot (Xanthomonas campestris pv. 
  vesicatoria (Doidge) Dye).  Sotirova, V. and 
  Bogatzevska, N.                                         37
Influence of Polygalacturonase Activity and Cell Wall 
  Composition on Tomato Anthracnose Resistance.  
  Stommel, J.R. and Gross, K.C.                           38
Inbred backcross breeding for soluble solids and the 
  identification of correlated molecular markers in tomato.
  Triano, S.R. and St. Clair, D. A.                       41
Intraspecific chromosomal differentiation in Lycopersicon 
  esculentum.  Vijaya Lakshmi, K. and Rao, P.N.           42
Pachytene chromosome pairing in two induced autotetraploids 
  of Lycopersicon.  Vijaya Lakshmi, K. and Rao, P.N.      43
Location of Gene Del.  Vulkova Z., Chalukova M. 
  and Lukarska E.                                         43
Genetic study of line Cm 190, resistant to Clavibacter 
  michiganensis subsp. michiganensis (Smith) Davis et al. 
  Vulkova, Z. and Sotirova,V.                             45
Differential reaction of Lycopersicon genotypes to the 
  infection of seven species/races of Meloidogyne juveniles
  Yu, M.H. and Duffus, J.E.                               46

STOCKS AVAILABLE                                             48

        
TGRC REVISED LIST OF WILD SPECIES STOCKS                  48
        
PHILOUZE. J. - ISOGENIC LINES                             70

INTERIM REPORT OF THE COMMITTEE ON VARIETAL PEDIGREES        72

AUTHOR INDEX                                                 80

SUBJECT INDEX                                                82

INDIVIDUAL MEMBER LIST                                       84

INSTITUTIONAL MEMBER LIST                                    92