Cucurbit Genetics Cooperative Report 2:23 (article 14) 1979 G. Risser Station d’Amélioration des Plantes Maraîchères, I.N.R.A. Domaine Saint Maurice, 84140 Montfavet-Avignon, France Melon is known as requiring high temperatures for a good growth, but we did not know differences in varietal reaction occur at low temperature. First, we studied the action of root temperature. For […]
Month: July 1979
A Technique for Improving Fruit Set by Hand Pollination and Observations on Optimum Cultural Conditions for Fruit Set Under Greenhouse Conditions
Cucurbit Genetics Cooperative Report 2:22 (article 13) 1979 J. A. Principe and J. D. McCreight USDA, SEA-AR, Imperial Valley Conservation Research Center, Brawley, CA 92227 Melon pistillate flowers are often tied the afternoon before anthesis, after removal of anthers if they are present, to protect them from natural pollinators. They are revisited the next morning […]
Pollen Germination in Interspecific Crosses Between Muskmelon and Some Wild Cucumis Species
Cucurbit Genetics Cooperative Report 2:20-21 (article 12) 1979 R. D. de Vaulx Station d’Amélioration des Plantes Maraîchères, I.N.R.A., Domaine Saint Maurice, 84140 Montfavet-Avignon (France) Cross pollinations were made among different lines of muskmelon (monoecious, andromonoecious, diploid, tetraploid) and five wild species of Cucumis: C. metuliferus (from Fassuliotis and Vavilov Institute), C. ficifolius (PI 196844, PI 203915), C. prophetarum (PI 193967), C. myriocarpus (1096), and C. zeyheri (PI 273192). […]
Isozyme Analysis of the Megurk
Cucurbit Genetics Cooperative Report 2:17-18 (article 11) 1979 R. W. Robinson, J. T. Puchalski and A. C. de Ruiter New York State Agricultural Experiment Station, Geneva, NY 14456 and DeRuiter Zonen, The Netherlands A possible cross between the cucumber and muskmelon has been named the “megurk”, after the Dutch words for melon and cucumber (1). […]
Investigations of the Effects of Plant Type and Morphology of the Cucumber on Infestation by the Pickleworm, Diaphania nitidalis Stoll
Cucurbit Genetics Cooperative Report 2:16-17 (article 10) 1979 Terry Lane Pulliam and R. L. Lower Department of Horticultural Science, North Carolina State University, Raleigh, NC 27650 E. V. Wann U. S. Vegetable Laboratory, USDA, SEA, Charleston, SC 29407 Seven plant types of ‘Addis’, a pickling cucumber cultivar, five plant introductions, tetraploid lines, and other lines […]
1979 Other Cucurbit Genera and Species Reports
Other Genera and Species Mentor pollen as a tool in interspecific hybridization in Cucumis Emiel H. Oost and A.P.M. den Nijs (The Netherlands) CGC 2:43 (1979) Disease resistances in some wild Cucumis species M. Pitrat and R.D. de Vaulx (France) CGC 2:44-45 (1979) Use of in vitro culture for inducing germination of Cucumis seed D.L. Visser and J. Franken (The Netherlands) CGC […]
1979 Squash and Pumpkin Reports
Squash and Pumpkin (Cucurbita spp.) Attempts to cross Cucurbita moschata (Duch.) Poir. ‘Butternut’ and C. pepo L. ‘Delicata’ J.R. Baggett (USA) CGC 2:32-34 (1979) Interspecific cross between Cucurbita pepo and C. martinezii R.D.de Vaulx and M. Pitrat (France) CGC 2:35 (1979) Sex expression in Cucurbita foetidissima HBK Brenda K. Fulks, J.C. Scheerens and W.P. Bemis (USA) CGC 2:36 (1979) Six interspecific trisomics (2n C. moschata + 1 C. […]
Silver Compounds Inducing Male Flowers in Gynoecious Cucumbers
Cucurbit Genetics Cooperative Report 2:14-15 (article 9) 1979 A. P. M. den Nijs and D. L. Visser Institute for Horticultural Plant Breeding, Wageningen, The Netherlands Silver nitrate is now used widely in the greenhouse in The Netherlands. Occasionally, however, the treatment with AgNO3 results in severe burning and even loss of plants, especially when conditions […]
Low Temperature Adapted Slicing Cucumbers Release
Cucurbit Genetics Cooperative Report 2:13 (article 8) 1979 A. P. M. den Nijs Institute for Horticultural Plant Breeding, Wageningen, The Netherlands The Institute for Horticultural Plant Breeding (IVT) has since 1974 attempted to adapt slicing cucumbers for winter/spring glasshouse cultivation to lower temperatures. Fuel costs take a major share of total production expenses so that […]
Interspecific Grafting to Promote Flowering in Cucumis hardwickii
Cucurbit Genetics Cooperative Report 2:11-12 (article 7) 1979 J. Nienhuis and R. L. Lower University of Wisconsin, Madison, WI 53706 D. M. Pharr North Carolina State University, Raleigh, NC 27650 Cucumis hardwickii Royle is thought to be either a feral or progenitor species of the cultivated cucumber, C. sativus L. It is currently being evaluated in our breeding […]