Powdery Mildew Attacks Commercial Watermelon Cultivars in Sudan

Cucurbit Genetics Cooperative Report 18:55-55 (article 26) 1995 Sadig K. Omara and M. Taha National Institute for Promotion of Horticultural Exports, University of Gezira, P.O. Box 20, Wad Medani, Sudan Powdery mildews have always been serious diseases on cultivated cucurbits in Sudan. Squashes, pumpkins, melons, cucumbers and snake cucumbers are susceptible to severe attack when […]

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Germplasm Resources of Citrullus lanatus in the Genebank of the Polytechnic University of Valencia

Cucurbit Genetics Cooperative Report 18:52-54 (article 25) 1995 Fernandez de Cordova, P., M.J. Diez, A. Iglesias and F. Nuez Departmento de Biotechnologia, Universidad Politecnica de Valencia, 46022, Valencia, Spain The Genebank of the Polytechnic University of Valencia holds 5436 accessions of vegetable species. Of these, 2221 of them belong to the Cucurbitaceae, 201 of which are watermelon […]

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A Simple and Inexpensive Method for DNA Extraction from Cucumis melo L.

Cucurbit Genetics Cooperative Report 18:50-51 (article 24) 1995 Sylvie Baudracco-Arnas INRA, Station d’ Amelioration des Plantes Maraicheres, BP 94, 84143 Montfavet Cedex, France The applications of current nucleic acid technologies to crop improvement include gene mapping, genetic fingerprinting, population studies and phylogenetic analyses. These techniques have application for the improvement of melon (Cucumis melo L.). […]

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Regeneration Response of a Few Genetic Marker Lines and Commercial Cultivars of Cucumis melo L.

Cucurbit Genetics Cooperative Report 18:48-49 (article 23) 1995 Jaagrati Jain and T.A. More Division of Vegetable Crops, Indian Agricultural Research Institute, New Delhi – 110012, India Introduction: A few known marker lines (5) were obtained from Montfavet, France, in order to use the marker genes in somatic hybridization studies. These studies were initiated to investigate […]

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Screening of Melons for Silverleaf Whitefly Resistance: 1994

Cucurbit Genetics Cooperative Report 18:45-47 (article 22) 1995 James D. McCreight U.S. Department of Agriculture, Agricultural Research Service, U.S. Agricultural Research Station, 1636 East Alisal Street, Salinas, CA 93905 Sweetpotato whitefly, Bemisa tabaci Genn. (SPWF) B strain, virtually destroyed the Fall 1991 melon crop in the lower desert valleys of Arizona and California (8). This […]

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Specificity of Transmission of Melon Yellowing Viruses by Trialeurodes vaporariorum and Bemisia tabaci

Cucurbit Genetics Cooperative Report 18:44-44 (article 21) 1995 C. Soria, A.I. L. Sese, and M.L. Gomez-Guillamon Experimental Station La Mayora, 29759 Algarrobo-Costa, Malaga SPAIN In 1982. symptoms of melon-yellowing disease were detected in melon (Cucumis melo L.) crops cultivated under plastic greenhouses in the southwest of Spain (Soria and Gomez-Guillamon. 1989). The approximately 950 nm […]

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Field Screening of Melon Varieties and Lines for Multiple Race Resistance to Fusarium oxysporum f. sp. melonis

Cucurbit Genetics Cooperative Report 18:43-43 (article 20) 1995 T.L. Zuniga and T.A. Zitter Department of Plant Pathology, Cornell University, Ithica, NY 14853 The symptoms for Fusarium wilt were first reported from New York (1), but the disease was described and pathogenicity confirmed in 1933 from Minnesota (4). The disease has occurred sporadically in New York […]

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New Sources for Powdery Mildew Resistance in Melon From Spanish Local Cultivars

Cucurbit Genetics Cooperative Report 18:40-42 (article 19) 1995 E. Floris, J.M. Alvarez Universidad de Zaragoza, Departmento de Agricultura, Crta. Zaragoza, Km 67, 22071, Huesca, Spain; Servico de Investigacion Agraria, D.G.A., Apartado 727, 50080 Zaragoza, Spain Resistance to powdery mildew (Sphaerotheca fuliginea [Schlech. ex Fr.] Poll.), was firstly found in a seed lot from India (5). […]

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