Cucurbit Genetics Cooperative Report 12:35-36 (article 14) 1989 F. van der Mark, J.H.W. Bergervoet and J.B.M. Custers Institute for Horticultural Plant Breeding (IVT), P.O. Box 16, 6700 AA Wageningen, The Netherlands Agrobacterium rhizogenes includes hairy root disease in many dicotyledonous plants. The root including ability is conferred to plant cells by bacterial genes (T-DNA) which […]
Cucumber Reports
Isolation and Culture of Protoplasts of Cucumis sativus and Cucumis metuliferus and Methods for Their Fusion
Cucurbit Genetics Cooperative Report 12:29-34 (article 13) 1989 F.A. Tang and Z. K. Punja Campbell Institute for Research and Technology, Campbell Soup Company, Route 1, Box 1314, Davis, CA 95616 The introduction of disease resistance into pickling cucumber (Cucumis sativus L.) is an essential component of all cultivar development programs. Efforts continue to identify new […]
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. […]
Preliminary Data on Haploid Cucumber (Cucumis sativus L.) Induction
Cucurbit Genetics Cooperative Report 12:24-25 (article 11) 1989 Katarzyne Niemirowicz-Szczytt and Robert Dumas de Vaulx Department of Genetics and Horticulture Plant Breeding, University of Agriculture, ul. Nowoursynowska 166, 02-766, Warszawa, Poland (1st. author); INRA, Station d’Amelioration des Plantes Maraicheres, 84140 Montfavet-Avignon, France (2nd author) Pollination of muskmelon (Cucumis melo L.) with irradiated pollen resulted in […]
Haploid Gynogenesis in Cucumis sativus Induced by Irradiated Pollen
Cucurbit Genetics Cooperative Report 12:22-23 (article 10) 1989 A. Sauton Royal Sluis France, Research and Development Station, BP 1431 30017 Nimes, France A very efficient method of doubled haploid production is now commonly used in muskmelon (Cucumis melo L.) breeding programs (2). This method consists of the induction of gynogenesis in situ with gamma-ray irradiated […]
Improvements of in vitro Growth of Cucumber
Cucurbit Genetics Cooperative Report 12:20-22 (article 9) 1989 J.B.M. Custers and E.C.P. Verstappen Institute for Horticultural Plant Breeding (IVT), P.O. Box 16, 6700 AA Wageningen, The Netherlands In general, in vitro culture of cucumber (Cucumis sativus L.) meets with several problems. In regeneration studies, adventitious buds as well as somatic embryos develop poorly into plants, […]
Electrophoretic Examination of Cucumis sativus L. and Cucumis melo L.
Cucurbit Genetics Cooperative Report 12:18-19 (article 8) 1989 V.S. Sujatha and V.S. Seshadri Division of Vegetable Crops, Indian Agricultural Research Institute, New Delhi 110012 India The genus Cucumis contains 30 species of which only two species, C. sativus (cucumber) and C. melo (muskmelon), are extensively cultivated. While C. melo has chromosome number of x=12, and […]
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 […]
Source-Sink Relationships in Cucumber
Cucurbit Genetics Cooperative Report 12:11-14 (article 5) 1989 Jack E. Staub USDA, ARS, Department of Horticulture, University of Wisconsin, Madison, WI 53706 Average yield of cucumber (Cucumis sativus var. sativus L) in the United States has increased from approximately 65 (1920) to 200 (1980) bushels per acre (1). Much of that yield improvement was the […]