Cucurbit Genetics Cooperative Report 8:74-75 (Article 28) 1985 Pink, D. A. C. and D. G. A. Walkey National Vegetable Research Station, Wellesbourne, Warwick, CV35 9EF, UK Cucumber mosaic virus (CMV) is the only economically important virus infecting courgette and vegetable marrow (C. pepo) plants in the UK. There are no resistant cultivars available but a […]
Squash & Pumpkin Reports
Cucurbitacin Concentrations in Different Plant Parts of Cucurbita Species as a Function of Age.
Cucurbit Genetics Cooperative Report 8:71-73 (Article 27) 1985 Jaworski, A., P. M. Gorski*, S. Shannon, and R. W. Robinson Department of Horticultural Science, New York State Agricultural Experiment Station, Geneva, NY 14456 Cucurbitacins (Cucs) are of concern to breeders due to their relation to insect resistance and fruit bitterness. When evaluating lines for Cucs, it […]
Rapid TLC and HPLC Test for Cucurbitacins
Cucurbit Genetics Cooperative Report 8:69-70 (Article 26) 1985 Gorski, P. M.*, A. Jaworski, S. Shannon and R. W. Robinson Department of Horticultural Science, New York State Agricultural Experiment Station, Geneva, NY 14456 Recently, there have been reports (2,4) of serious illness and litigation due to a low incidence of a gene for bitter fruit in […]
Differential Sensitivity of Cucurbita pepo Cultivars to Ethephon
Cucurbit Genetics Cooperative Report 8:67-68 (Article 25) 1985 Edelstein, Menahem, Harry S. Paris, Haim Nerson, Zvi Karchi, and Yosef Burger Department of Vegetable Crops, Agricultural Research Organization, Newe Ya’ar Experiment Station, P. O. Haifa, Israel Initial reports of the effects of ethephon on both squash and cucumber were concerned with the ease with which relatively […]
Obtention of Embryos and Plants from In Vitro Culture of Unfertilized Ovules of Cucurbita pepo
Cucurbit Genetics Cooperative Report 8:66 (Article 24) 1985 Chambonnet, D. and R. Dumas de Vaulx Institut National de la Recherche Agronomique, 84140 Montfavet, France Unfertilized ovules of Cucurbita pepo have been in vitro cultured to obtain haploid plants from the embryo-sac cells. In our first experiments we obtained embryos coming from the internal part of […]
1985 Squash Reports
Squash and Pumpkin (Cucurbita spp.) Obtention of embryos and plants from in vitro culture of unfertilized ovules of Cucurbita pepo D. Chambonnet and R. Dumas de Vaulx (France) CGC 8:66 (1985) Differential sensitivity of Cucurbita pepo cultivars to ethephon Menahem Edelstein, Harry S. Paris, Haim Nerson, Zvi Karchi and Yosef Burger (Israel) CGC 8:67-68 (1985) Rapid TLC and HPLC test For […]
Independence of Genes Ses-B and M in Cucurbita pepo L.
Cucurbit Genetics Cooperative Report 7:64-65 (article 28) 1984 Bloksberg, L.N. and O. Shifriss Department of Horticulture and Forestry, Cook College, Rutgers- The State University, New Brunswick, NJ 08903 Gene B conditions precocious depletion of chlorophyll in fruits leading to precocious fruit yellowing. In addition, B can deplete chlorophyll in leaves at early stages of plant […]
Potential of Restriction Endonuclease Analysis of Chloroplast DNA for the Determination of Phytogenetic Relationships among members of Cucurbitaceae
Cucurbit Genetics Cooperative Report 7:66-68 (article 29) 1984 Juvik, J.A. Department of Horticulture, University of Illinois, Urbana, IL 61801 J.D. Palmer Department of Zoology, Duke University, Durham, NC 27706 A preliminary study was undertaken to determine the feasibility of using comparative restriction endonuclease analysis of chloroplast DNA as a method of accessing evolutionary relationships among […]
Embryo Culture of Cucurbita andreana and C. martinezii
Cucurbit Genetics Cooperative Report 7:69-70 (article 30) 1984 Malter, A. B., R. J. Lebowitz, and J. A. Juvik Department of Horticulture, University of Illinois, Urbana, IL 61801 Tissue culture may offer novel means of studying and improving Cucurbitaceae species. Cultures have already been used to analyze secondary metabolites (Yanagawa, et al., 1971), propagate gynoecious inbreds […]
Tolerance of Cucurbita spp. to Squash Leaf Curl
Cucurbit Genetics Cooperative Report 7:71-72 (article 31) 1984 J.D. Mc Creight U.S. Department of Agriculture, Agricultural Research Service, P.O. Box 5098, Salinas, CA 93915 Squash leaf curl (SLC) is a highly infectious virus disease that reached epidemic proportions in fall squash production in the desert southwest of the U.S. and the adjoining area of Mexico […]