Cover 0
Foreword 1
Minutes of the Montreal meeting 3
Minutes of the Bloomington meeting 4
List of genes as of January, 1959 6
Additional linkage data for a\325, nd, yg\282, and yg\333. Burdick, A. B.
Change of gene symbol. Burdick, A. B.
Intrasomatoic selection after seed irradiation. Burdick, A. B.
Linkage of md with c. Burdick, A. B.
New mutants. Burdick, A. B.
Digenic F2 segregations for genes of linkage group V. Butler, L.
Observations on the effectiveness of natural crosspollination. Clayberg, C. D.
The Tm\2 - nv linkage. Clayberg, C. D.
Possible mechanisms involved in the failure of flowers of some tomato varieties to set fruit at relatively low temperatures. Daubeny, Hugh A.
Analyse einer dominant wirkenden, im Dominanzgrad verschiebbaren Mutation von Lyc. esculentum. (Submitted by H. Stubbe) Endlich, J.
Search for homozygotizing effect of colchicine. Flores-Reyes, I., and C. M. Rick.
Twin seedlings in tomato. Foskett, R. L.
Resistance to cracking. Frazier, W. A.
Variability and selection in pure lines following irradiation with P\32. (Submitted by Watkin Williams) Garde, A.
Susceptibility to concentric cracking associated with the Mi locus on chromosome 6. Gilbert, J. C.
In the outdoor germination of tomato seed containing the dm dm factor the rate of germination is lower than for ++ plants. Graham, T. O.
Impact of recorded Mendelian factors on the tomato. Graham, T. O.
Eine anomal spaltende "gilva"-Mutante der Tomate. (Submitted by H. Stubbe) Grober, K.
Observing pollen tubes in tomato styles. Martin, F. W.
An improved jointless tomato? Munger, H. M.
Transgresive segregation for crack resistance. Munger, H. M.
The influence of genotypic-environmental interaction on relative selection efficiency for yield, earliness, and fruit size. Peirce, L. C.
Additional trisomic tests. Rick, C. M.
Allele test between au and brac. Rick, C. M.
Inheritance of hastate, ht. Rick, C. M.
Response of tomatoes grafted on cytoplasmically male-sterile petunia. Rick, C. M.
Linkage of Verticillium resistance (Ve). Rick, C. M., F. M. Martin, and A. Gentile.
Linkage between ms\17 and l\1. Robinson, R. V.
Seed production by isolated male sterile plants. Robinson, R. W.
Tobacco mosaic resistance. Soost, R. K.
A further linkage test with the aurea (au) mutant. Soost, R. K. and J. W. Lesley.
A selective gametocide for tomato. Walkof, C.
A temperature sensitive sublenthal mutant in tomato. Wall, J. R. and C. F. Andrus.
The expression of quantitative characters in three F1 hybrids of the cultivated tomato in relation to heterosis. Williams, Watkin.
Mutations causing chlorophyll deficiencies in tomatoes. Young, P. A.
Recurrent mutation for entire tomato leaflets. Young, P. A.
Additions and corrections to list of members 53
Additions to stock list 55
Bibliography of papers on tomato genetics and breeding published in 1957 56