Cover 0
Foreward 1
Assignment of linkage groups 2
Research notes 3
Inheritance of resistance to root-knot nematodes. Bergham,W.S. and N.N. Winstead
The inheritance of fruit size differences. (summary of doctoral dissertation) Bergh, B. O.
A scheme for screening mutations for linkage group and chromosome. Burdick, A. B.
Spaltende eintriebige Mutanten. (submitted by H. Stubbe) Endlich, J.
Trisome Mutanten. (submitted by H. Stubbe) Endlich, J.
Ubergangstypen, Mutanten mit abweichenden Erbgangen. (submitted by H. Stube) Endlich, J.
True-breeding resistance to infectionby tobacco-mosaic virus. Holmes, Francis O.
Carotenoids of lutescent tomatoes. Jenkins, J.A. and G. Mackinney.
Late blight resistance. Jensma, J. R.
The effect of the high pigment genes hp1 and hp2 on certain plant contituents. Kerr, E. A.
A variegated chromosomal mutant in R2 from treatment with P32. Lesley, Margaret M. and J. W. Lesley.
The X-ray production of "beneficial" mutations in quantitative traits. Martens, T. R.
Another collection from the Galapagos Islands. Rick, C. M.
Zur Chlorophyllbildung bei einer Tomatenmutatante. (submitted by H. Stubbe) Sagromsky, H.
Another allele of Wo. Soost, R. K.
New mutants. Soost, R. K.
Additional information on the inheritance of ry, a modifier gene for red color in yellow tomato fruits. Thompson, A. E.
A new green fleshed mutant. Thompson, A. E. and J. P. McCollum.
Allele test between gh and ab. Thompson, A. E. and C. M. Rick.
Superpuffed locules in tomato fruits. Young, P. A.
Directory of members 17
List of available or desired stocks 24
Bibliography of papers on tomato genetics and breeding published in 1955 25