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Cucumber Breeding at NC State

North Carolina State University has had a breeding program on cucumber (Cucumis sativus L.) for more than half a century. The program was established by Warren Barham in 1948. Richard Lower was hired in 1968 to work on pickling cucumbers. Cucumber breeding was carried out part-time prior to 1968 by Frank Haynes and Johnny Jenkins. In 1979, Todd Wehner was hired to breed pickling and slicing cucumbers.

The main objectives of the program are to expand our knowledge of cucumber genetics and breeding, educate graduate students interested in vegetable breeding, do research on problems affecting the cucumber industry, and develop improved cultivars and breeding lines of pickling and slicing types for use in North Carolina and the U.S.

One major research area has been to incorporate nematode resistance from LJ 90430 (a wild accession of Cucumis sativus var. hardwickii collected from the foothills of the Himalayas in India) into an elite, adapted inbred line. A set of cultivars (Lucia, Manteo, and Shelby) released recently from the program shows the progress made. The wild accession has bitter fruit, dormant seeds, large seedcell, low yield, late maturity, small leaves, multiple branching habit, and mostly male flowers. From that, we produced resistant cultivars with high yield, early maturity, fast germinating seeds, high quality fruit with small seedcell, large leaf size, and monoecious flowering habit.

Providing skilled graduates, scientific research, and useful germplasm to the cucurbit industry
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Box 7609North Carolina State UniversityRaleigh, NC 27695-7609(919) 515-5363
Created by T.C. Wehner and C. Barrett 5 September, 1996; design by C.T. Glenn;
maintained by T.C. Wehner; last revised on 3 September, 2014