TGC REPORT No . 31, 1981 STOCK LIST 22 PART II STOCK LIST Stocks Available Regional Plant Introduction Station Ames, Iowa 50010 c/o W . H . Skrdla Tomato Genetics Stock Center Department of Vegetable Crops University of California Davis, CA 95616 The world collection of tomato introductions for the Crops Research Division ARS, USDA is maintained: species, hybrids, named varieties as well as foreign introduction of L . esculentum and certain genetic marker stocks . Misc . genic stocks; modern & primitive cultivars; and chromosomal stocks (507 items) - TGC 29:40 - 47 . Species stocks (546 items) - TGC 30:38 - 49 (revision of TGC 27 list) Monogenic mutants (628 items, revision and expansion of list issued in TGC 28) - TGC 31, list follows . Allele stocks (21 items) - TGC 31, list follows Revised list of available gene stocks The following list of accessions, comprising stocks of 628 monogenic mutants, is a revision of the list that was issued in TGC 28 . Certain obsolete items have been dropped, and newly acquired gene stocks have been added . Although viable seeds of each listed accession are available, the supply of certain items is limited by short storage life or poor reproductivity . The lines are true - breeding except for male - steriles, other inherited sterilities, dominants that are homozygous inviable, etc . , all of which are propagated via heterozygotes . Several stocks are offered for many of the genes; the first number is usually a non - combinant stock, the others, often combinations with other genes . A complete, revised list of the combination stocks and their component genes will be prepared for TGC 32 . Additional information concerning the origin and other aspects of the stocks listed below will be furnished on request . Symbol Name ------------------   Stock - number -- a anthocyaninless LA13, 982, 1113, and others (EMS - induced alleles) 3 - 141, 3 - 415 as anthocyanin absent LA1194, 1525, 1700 acr acroxantha LA933