Cucurbit Genetics Cooperative Report 2:49-53 (article 29) 1979 R.W. Robinson (Chairman, Cucurbit Gene List Committee) New York State Agricultural Experiment Station, Geneva, NY 14456 The genetics of the Cucurbitaceae has been reviewed by a committee sanctioned by the American Society for Horticultural Science, and lists of the preferred symbol for each gene were published (13) […]
Month: July 1979
Use of In vitro Culture for Inducing Germination of Cucumis Seed
Cucurbit Genetics Cooperative Report 2:46-47 (article 28) 1979 D. L. Visser and J. Franken Institute for Horticultural Plant Breeding, Wageningen, The Netherlands Several 10-year old seed samples of accessions of wild Cucumis species in the breeding collection of the Institute for Horticultural Plant Breeding did not germinate under standard conditions, which included heat treatments as used for […]
Disease Resistances in Some Wild Cucumis Species
Cucurbit Genetics Cooperative Report 2:44-45 (article 27) 1979 M. Pitrat and R. D. de Vaulx Station d’Amélioration des Plantes Maraîcherès, I.N.R.A., Domaine Saint Maurice, 84140 Montfavet-Avignon, France Cucumis species in collection at the Vegetable Plant Breeding Station of Montfavet-Avignon (France) were evaluated for resistance to natural infestation or artificial inoculation to some important diseases in France: […]
Mentor Pollen as a Tool in Interspecific Hybridization in Cucumis
Cucurbit Genetics Cooperative Report 2:43-44 (article 26) 1979 Emiel H. Oost and A. P. M. den Nijs Institute for Horticultural Plant Breeding, Wageningen, The Netherlands The African species Cucumis metuliferus carries resistance to root knot nematodes(Meloidogyne spp.), which would be an important asset for both melons and cucumbers. The species, however, could so far not be crossed with […]
The Effect of Light and Fruit Development on Internode Elongation in Cucurbita maxima Squash
Cucurbit Genetics Cooperative Report 2:40-41 (article 25) 1979 C. D. Zack and J. B. Loy University of New Hampshire, Durham, NH 03824 Bush strains of Cucurbita maxima squash exhibit a compact form of growth under field conditions during the summer, but grow in a vining manner during the fall and winter in the greenhouse in Durham, NH. […]
Electrophoretic Analysis of Protein in Single Pollen Grain of Cucurbita
Cucurbit Genetics Cooperative Report 2:39 (article 24) 1979 David L. Mulcahy, Gabrielle B. Mulcahy, and R. W. Robinson New York State Agricultural Experiment Station, Geneva, NY 14456 Analysis of individual pollen grains offers a means of determining genetic ratios with only a single heterozygous plant. The large size of Cucurbita pollen makes it possible to use […]
1979 Watermelon Report
Watermelon (Citrullus lanatus) Improvement of watermelon with polyploids O.J. Eigsti (USA) CGC 2:25-26 (1979) Growing seedless hybrid (triploid) watermelons by direct seeding H.H. Partridge (USA) CGC 2:27 (1979) Preliminary report on association of Diabrotica resistance and morphological characters in watermelon B.B.Rhodes (USA) CGC 2:28 (1979) Race 2 anthracnose resistance in a watermelon line with a pale leaf […]
1979 Melon Report
Melon (Cucumis melo) Pollen germination in interspecific crosses between muskmelon and some wild Cucumis species R.D. de Vaulx (France) CGC 2:20-21 (1979) A technique for improving fruit set by hand pollination and observations on optimum cultural conditions for fruit set under greenhouse conditions J.A. Principe and J.D. McCreight (USA) CGC 2:22 (1979) Varietal differences in growth of […]
1979 Cucumber Report
1979 Report No. 2 Cucumber (Cucumis sativus) The effects of illumination, explant position, and explant polarity on adventitious bud formation in vitro of seedling explants of Cucumis sativus L. cv. ‘Hokus’ J.B.M. Custers and L.C. Buijs (The Netherlands) CGC 2:2-4 (1979) Breeding glabrous cucumber varieties to improve the biological control of the glasshouse whitefly O.M.B. de Ponti (The Netherlands) […]
Bitter Cucurbita spp. as Attractants for Diabroticite Beetles
Cucurbit Genetics Cooperative Report 2:38 (article 23) 1979 R. L. Metcalf, A. M. Rhodes, Jane E. Ferguson and Esther R. Metcalf University of Illinois, Urbana-Champaign, Urbana, IL 61801 The attacks of the striped cucumber beetle, Acalymma vittata, and the spotted cucumber beetle or southern corn rootworm, Diabrotica undecimpunctata howardi, on cultivated Cucurbitaceae and of the corn rootworm, D. u. howardi, northern […]