REPORT of the TOMATO GENETICS COOPERATIVE Number 30 May, 1980 Department of Vegetable Crops University of California Davis, California 95616 Contents Foreword ........................................................................................................................................................................ 1 Minutes of the Columbus, Ohio Meeting  ........................................................................................................................ 1 Linkage Report ............................................................................................................................................................... 2 Revision of Symbols of Previous Gene Lists ................................................................................................................ 17 Part I Research Notes .................................................................................................................................................. 18 Part II Stock List ........................................................................................................................................................... 37 Part III Directory of Members  ....................................................................................................................................... 50 Part IV Bibliography of Papers on Tomato Genetics and Breeding Published in 1978  ................................................ 60 Part V Financial Statement and Membership Status .................................................................................................... 67 Appendix: Catalog of Collections of Green-fruited Lycopersicon species and Solanum pennellii Found in Watersheds of Peru - Holle, Rick and Hunt (Supplement to series in TGC 28:49;29:63)  ................................ 68 Author Index for the Period 1971-1980  ........................................................................................................................ 71 Subject Index for the Period 1971-1980 ....................................................................................................................... 73 Cover design from mature leaf of L. cheesmanii f. minor source of Pts (see p. 32)