Cucurbit Genetics Cooperative Report 15:45-47 (article 15) 1992 Joseph H. Kirkbride, Jr. USDA, Agricultural Research Service, Systematic Botany and Mycology Laboratory, Building 265, BARC-East, 10300 Baltimore Boulevard, Beltsville, Maryland 20705-2350 U.S.A. A taxonomic monograph (7) of the genus Cucumis Linnaeus (Cucurbitaceae) was completed, and the morphological, cytological, and macrodistributional data were distributed in a format […]
Month: July 1992
Somatic Embryogenesis and Plant Regeneration from Cotyledon Protoplasts of Cucumis sativus Wisconsin 2843
Cucurbit Genetics Cooperative Report 15:40-44 (article 14) 1992 B. Garcia-Sogo, M. Dabauza, L.A. Roig, and V. Moreno Plant Cell Tissue Culture Lab, Biotechnology Department, Universidad Politecnica de Valencia, Cno. de Vera, 14. 46020-Valencia, Spain Wisconsin 2843 is a cucumber breeding population with multiple disease resistance (12). The population is homozygous for resistance to cucumber mosaic […]
Initiation, Maintenance and Plantlet Regeneration from Long-term Suspension Cultures of Pickling Cucumber
Cucurbit Genetics Cooperative Report 15:35-39 (article 13) 1992 S.J.T. Raharjo and Z.K. Punja Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6 Methods for the culture and sustained cell divisions and growth of plant cells or cell aggregates in liquid medium containing appropriate growth regulators have been reported for a number […]
Cucumber (Cucumis sativus L.) Induced Mutations. II. A Second Short Petiole Mutant
Cucurbit Genetics Cooperative Report 15:33-34 (article 12) 1992 M. Rucinska, K. Niemirowicz-Szcytt and A. Korzeniewska Department of Genetics and Horticultural Plant Breeding, Warsaw Agricultural University – SGGW, 02-766 Warsaw, Poland The Short petiole-2 mutation of cucumber is part of our collection of chemically-induced mutants obtained by Kubicki (1). The first mutant line from the collection […]
Non-linkage of Bitterness and Resistance to Red Spider Mite in Cucumber
Cucurbit Genetics Cooperative Report 15:31-32 (article 11) 1992 N.P.S. Dhillon Punjab Agricultural University, Vegetable Research Station, Jalandhar – 144 001, India The role of bitterness (caused by cucurbitacins) in cucumber resistance to twospotted spider mite (Tetranychus urticae) is not conclusive. North American researchers reported that bitterness caused resistance to spider mite (2, 3). However, in […]
Use of Reproduction Factor and Gall Index in Determining Resistance in Cucumis spp.
Cucurbit Genetics Cooperative Report 15:28-30 (article 10) 1992 Todd C. Wehner, S. Alan Walters and Kenneth R. Barker Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609, Department of Plant Pathology, North Carolina State University, Raleigh, 27695 According to Taylor and Sasser (4), nematode reproduction can be used to measure root-knot nematode resistance, […]
Development of a Seedling Test for Resistance to Gummy Stem Blight in Cucumber
Cucurbit Genetics Cooperative Report 15:23-27 (article 9) 1992 Zoila G. Abad and Todd C. Wehner Department of Horticultural Science, Box 7609, North Carolina State University, Raleigh, NC 27695-7609 Gummy stem blight, caused by Didymella bryoniae and possibly by Phoma exigua, is the second most important pathogen of field grown cucumber (Cucumis sativus L.) in North […]
Screening Cucumber for Resistance to Belly Rot Caused by Rhizoctonia solani
Cucurbit Genetics Cooperative Report 15:19-21 (article 8) 1992 Todd C. Wehner, Michael S. Uchneat and Rufus R. Horton, Jr. Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695-7609 Belly rot caused by Rhizoctonia solani Kuhn (Ag-4) is one of the more important cucumber (Cucumis sativus L.) diseases in the southeastern United States. Crop […]
The Significance of Some Traits and Their Combinations in the Usage of U.S. Cucumber
Cucurbit Genetics Cooperative Report 15:17-18 (article 7) 1992 Henry M. Munger Department of Plant Breeding, Cornell University, Ithica, NY 14853 The excellent history of U.S. cucumber improvement by Wehner and Robinson (1) prompts me to make some corrections and add some thoughts about the importance of the right combination of traits as contrasted with improvement […]
Correlation Between Parents and F1 Progeny in Earliness Heterosis and the Estimation of Traits Limits of Parents
Cucurbit Genetics Cooperative Report 15:13-16 (article 6) 1992 Hongwen Cui, Yongtao Qi, Jianhui Liu and Zhongbo Ren Department of Horticulture, Northwestern Agricultural University, Yangling, Shaanxi 172100, P.R. China Cucumber (Cucumis sativus L.) is one of the important summer vegetables in China. There is an urgent requirement for early cultivars of cucumber for use in plastic […]