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Cucurbit Genetics Cooperative Report 23:137-138 (article 46) 2000

Cucurbita Gene List Update - 2000

R.W. Robinson

Dept. of Horticultural Science, New York State Agricultural Experiment Station, Cornell University, Geneva, NY 14456

H.S. Paris

Dept. of Vegetable Crops, Agr. Research Organization, Newe Ya'ar ResearchCenter, P.O. Box 1021, Ramat Yishay, 30-095, Israel

Previous lists of Cucurbita genes were published in CGC Rpt. 15:102-109 (1992) and in CGC Rpt. 19: 91-92 (1996). Before publishing a proposed new gene symbol for a Cucurbita gene, researchers are urged to consult this gene list and those in CGC 15 and 19 in order to avoid using a symbol already assigned to another gene.

The following list of new Cucurbita genes also includes a correction for the erroneous symbol for the Ds gene that was given in CGC Rpt. 19: 91-92 (1996).

Gene
Character
Species
Reference

Dx

Dark stem only, fruit color not affected

pepo

4

De determinate plant habit; stem lacking tendrils and terminating with female flowers
moschata
2
mo-1 mature orange-1; complementary gene for loss of green fruit color prior to maturity
pepo
5
mo-2 mature orange-2; complementary gene for loss of green fruit color prior to maturity
pepo
5
Slc* Squash leaf curl virus resistance
pepo
3
uml umbrella-like; leaves shaped like partially opened umbrella
maxima x pepo
6
wc white corolla; petals white, tending to curl, less dentate than normal
maxima
1
wyc white-yellow corolla; dentate, white-yellow petals
maxima
1

Literature Cited

  1. Korzeniewska, A. 1996. Two independent loci for white and white-yellow corolla in Cucurbita maxima Duch. In: M.L. Gomez-Guillamon, C. Soria, J. Cuarto, Tores,and R. Fernandez-Munox, eds. Proc. Cucurbitaceae Toward 2000: 6th Eucarpia Meeting Cucurbit Genetics Breeding. Graficas Axarquia, Velez-Malaga, Spain. pp 78-81.
  2. Kwack, S.N. 1995. Inheritance of determinate growth habit in cucurbita moschata Poir. J. Korean Soc. Hort. Sci. 36:780-784.
  3. Montes-Garcia, C.E., S. Garza-Ortega, and J.K. Brown. 1998. Inheritance of the resistance to squash leaf curl virus in Cucurbita pepo. In: J.D. McCreight, ed. Cucurbitaceae '98. Evaluation and Enhancement of Cucurbit Germplasm. A.S.H.S., Alexandria, Virginia. pp. 328-330.
  4. Paris, H.S. 1996. Multiple allelism at the D locus in squash. J. Hered. 87:391-395.
  5. Paris, H.S. 1997. Genes for developmental fruit coloration of Acorn squash. J. Hered. 88: 52-56.
  6. Rakoczy-Trojanowska, M. and S. Malepszy. 1999. Inheritance of umbrella-like leaf shape in materials derived from cucurbita maxima x C. pepo hybrids. Cucurbit Genet. Coop. Rpt. 22:50-52.
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