Cucurbit Genetics Cooperative Report 13:1-3 (article 1) 1990 Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh NC 27695-7609 The USDA cucumber (Cucumis sativus L.) germplasm collection includes cultivars and breeding lines that are useful to the American pickle and slicer industry as cultivars, pollenizers, and/or parents of hybrids. The working collection […]
Todd C. Wehner
Isolation and Culture of Cucumis metuliferus Protoplasts
Cucurbit Genetics Cooperative Report 12:26-29 (article 12) 1989 William H. McCarthy, Todd C. Wehner and Margaret E. Daub Department of Horticultural Science, Box 7609 (1st and 2nd authors) and Department of Plant Pathology, Box 7616, North Carolina State University, Raleigh, NC 27695-7609 (3rd author) Research supported in part by a grant from Pickle Packers International. […]
Seed Weight of Cucumber Cultivars
Cucurbit Genetics Cooperative Report 12:16-17 (article 7) 1989 Todd C. Wehner and Rufus R. Horton, Jr. Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 It is useful to know the weight of cucumber seeds for cultivars being grown for research and production, since many operations are done by weight even though it […]
Delayed Pollination Successful for Cucumbers in North Carolina Greenhouse
Cucurbit Genetics Cooperative Report 12:16-17 (article 6) 1989 Todd C. Wehner and Rufus R. Horton, Jr. Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 Munger reported that pistillate flowers of cucumber could be pollinated successfully up to 24 hours after they opened in the Philippines and in his New York greenhouses, but […]
Cucumber Yield Improvement Through Breeding in the Southeast U.S.A.
Cucurbit Genetics Cooperative Report 12:9-10 (article 4) 1989 Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 It is of interest to cucumber breeders in the U.S.A. to determine how much progress they have made in the improvement of yield. yield is a complex trait, and is affected by sex […]
Number of Seeds per Mature Fruit for Different Types of Cucumber
Cucurbit Genetics Cooperative Report 11:15-16 (article 7) 1988 Todd C. Wehner and Rufus R. Horton, Jr. Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 In a plant breeding program, it is useful to know the number of seeds per fruit to expect when plants are harvested at mature fruit stage. As a […]
Cluster Analysis of Environments for the U.S.A. Southern Cooperative Slicing Cucumber Trials
Cucurbit Genetics Cooperative Report 11:13-14 (article 6) 1988 Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 Plant breeders interested in developing slicing cucumbers for the southern U.S.A. often use the southern cooperative trials that cover many locations and seasons in that region. Trials use locations from Virginia (northeast corner […]
Survey of Cucumber Breeding Methods in the U.S.A.
Cucurbit Genetics Cooperative Report 11:9-12 (article 5) 1988 Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 In 1987, I surveyed public (state university and U.S. Dept. Agric.) and private (seed or processing companies) plant breeders assigned to the improvement of cucumber. The survey included questions on breeding objectives, selection […]
Embryogenesis from Cotyledon-Derived Callus of Cucumis sativus L.
Cucurbit Genetics Cooperative Report 11:3-4 (article 2) 1988 Rebecca M. Cade, Todd C. Wehner, and Frank A. Blazich Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609. Early research on tissue culture of cucurbits dealt with the formation of somatic embryos in culture (2, 4). However, only recently have plants been regenerated through […]
Inheritance of Littleleaf and Multi-branched Plant Type in Cucumber
Cucurbit Genetics Cooperative Report 10:33-34 (article 20) 1987 Todd C. Wehner Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 Jack E. Staub and Clinton E. Peterson Department of Horticulture, U.S.D.A., University of Wisconsin, Madison, WI 53706 Little-leaf is a plant type discovered in an inbred selection in Arkansas. Goode et al. (1) […]