Cucurbit Genetics Cooperative Report 4:26-28 (article 14) 1981 N. N. Shinde* and V. S. Seshadri Division of Vegetable Crops and Floriculture, Indian Agricultural Research Institute, New Delhi-11012, India An attempt was made to verify the observations of Rosa (2), Kubicki (1), and Wall (3) regarding the extent of association between monoecious sex expression and oblong […]
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A New Plant Type in Cucumis melo L.
Cucurbit Genetics Cooperative Report 4:24-26 (article 13) 1981 H. S. Paris, Z. Karchi, H. Nerson, M. Edelstein, A. Govers, and D, Freudenberg Division of Vegetable Crops, Agricultural Research Organization, Newe Ya’ar Experiment Station, P. O. Haifa, Israel Two plant types have been widely described in melon. The vine type is by far the more common, […]
Multiple Disease Resistant Casaba
Cucurbit Genetics Cooperative Report 4:24 (article 12) 1981 Joseph D. Norton Auburn University, Auburn, AL 36849 Multiple disease resistant casaba breeding lines were developed from crosses of casaba cultivars and multiple disease resistant cantaloupe breeding lines. Fruit quality was excellent with total soluble solids of 15.3%. After storage at 21°C for 90 to 120 days, […]
Leaf Miner Resistant Muskmelon Breeding Lines
Cucurbit Genetics Cooperative Report 4:12-13 (article 11) 1981 Joseph D. Norton Auburn University, Auburn, AL 36849 A severe infestation of leaf miners at the Horticulture Farm, E.V. Smith Research Center led to the discovery of high levels of resistance to leaf miners in certain muskmelon breeding lines during the 1978 growing season. The severe infestation […]
Tissue Culture Propagation of Field-Grown Cucumber Selections
Cucurbit Genetics Cooperative Report 4:20-22 (article 10) 1981 T. C. Wehner and R. D. Locy North Carolina State University, Raleigh, NC 27650 One potential application of tissue culture techniques to cucumber breeding is in the propagation of selections made in the field. This would replace vegetative propagation by rooted cuttings (4). Callus has been induced […]
A Cucumber Mutant with Increased Hypocotyl and Internode Length
Cucurbit Genetics Cooperative Report 4:19-20 (article 9) 1981 R. W. Robinson and J. W. Shail New York State Agricultural Experiment Station, Geneva, NY 14456 A cucumber plant with a three-fold increase in hypocotyl length was found in the F2 generation after treatment of seed of ‘Lemon’ with thermal neutron radiation. Discrete segregation occurred in the […]
Pathogenicity of Isolates of Didymella bryoniae and Reisolation of the Fungus Out of Symptomless Plants
Cucurbit Genetics Cooperative Report 4:17-19 (article 8) 1981 A. P. M. den Nijs and A. C. van der Giessen Institute for Horticultural Plant Breeding (IVT), P. O. B. 16, Wageningen, The Netherlands Five different isolates of Didymella bryoniae (Auersw.) Rehm, causal fungus of fruit and stem rot, were separately used to inoculate three cucumber genotypes […]
The Effects of Fermentation and Storage Time on Germination of Cucumber Seeds at Optimal and Suboptimal Temperatures
Cucurbit Genetics Cooperative Report 4:13-16 (article 7) 1981 James Nienhuis and R. L. Lower University of Wisconsin, Madison, WI 53706 One technique commonly used to clean cucumber seeds is to scrape the placental tissue and seed from the seed cavity and allow natural fermentation to occur for a given length of time. At temperatures between […]
An Estimate of the Heritability of Low Temperature Seed Germination in Cucumber
Cucurbit Genetics Cooperative Report 4:12-13 (article 6) 1981 James Nienhuis and R. L. Lower University of Wisconsin, Madison, WI 53706 Reduced germination in low temperature spring soils often results in erratic stands and reduced yield potential in many agronomic and horticultural crops. For this reason, numerous breeding programs and genetic studies have been initiated with […]
A Second Source of Non-bitterness in Cucumber
Cucurbit Genetics Cooperative Report 4:11 (article 5) 1981 H. Inggamer and O. M. B. de Ponti Institute for Horticultural Plant Breeding, Wageningen, The Netherlands The non-bitter character is commercially of vital importance in The Netherlands, bitter cucumbers being unwanted and thus unsalable. In the 1950s, a continuous search went on at the IVT for non-bitter […]