The Influence of Temperature on Powdery Mildew Resistance in Cucumber

Cucurbit Genetics Cooperative Report 2:9-10 (article 5) 1979 H. M. Munger Departments of Plant Breeding and Vegetable Crops, Cornell University, Ithaca, NY 14853 In studying the inheritance of powdery mildew resistance in cucumber, we have repeatedly noticed that plants in the greenhouse with any given level of resistance show much more mildew during the winter […]

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Linkage of Bacterial Wilt Resistance and Sex Expression Genes in Cucumber

Cucurbit Genetics Cooperative Report 2:8 (article 4) 1979 A. F. Iezzoni and C. E. Peterson Department of Horticulture, University of Wisconsin, Madison, WI 53706 Cucumber lines resistant to bacterial wilt caused by Erwinia tracheiphila were established for each of the four sex types (gynoecious, monoecious, hermaphrodite, and andromonoecious) to investigate a possible linkage between the gene for […]

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Development and Release of Breeding Lines of Cucumber with Resistance to the Twospotted Spider Mite, Tetranychus urticae Koch

Cucurbit Genetics Cooperative Report 2:6-7 (article 3) 1979 o. M. B. de Ponti Institute for Horticultural Plant Breeding, Wageningen, The Netherlands Based on a thorough study of the host-parasite relationship using cucumber varieties with different levels of resistance to the twospotted spider mite, two resistance tests were developed: a laboratory test (1) measuring acceptance and […]

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Breeding Glabrous Cucumber Varieties to Improve the Biological Control of the Glasshouse Whitefly

Cucurbit Genetics Cooperative Report 2:5 (article 2) 1979 O. M. B. de Ponti Institute for Horticultural Plant Breeding, Wageningen, The Netherlands On glasshouse tomatoes in the Netherlands, the biological control of the glasshouse whitefly (Trialeurodes vaporariorum Westwood) with the parasitic wasp (Encarsia formosa Gahan) is successfully applied on an ever increasing scale. On glasshouse cucumbers, however, despite repeated and […]

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The Effects of Illumination, Explant Position, and Explant Polarity on Adventitious Bud Formation In Vitro of Seedling Explants of Cucumis sativus L. cv. ‘Hokus’

Cucurbit Genetics Cooperative Report 2:2-4 (article 1) 1979 J. B. M. Custers and L. C. Buijs Institute for Horticultural Plant Breeding, Wageningen, The Netherlands In certain interspecific crosses in Cucumis, the embryos abort at the early embryonic stages. Artificial culture of very young embryos proved to be unsuccessful in many plants. Surprisingly, research on somatic embryo […]

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1979 Resolution and Notes

Cucurbit Genetics Cooperative Report 2:ii-iiii (Introduction) 1979 Resolution and notes of organization meeting, October 28, 1976, Denver Hilton, Denver, Colorado, U.S.A. The following resolution was adopted by research workers interested in organizing a Cucurbit Genetics Cooperative: The Cucurbit Genetics Cooperative is organized to develop and advance the genetics of economically important cucurbits. Membership to this […]

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1979 Cucurbit Genetics Cooperative Membership Directory

Adams, Howard. Northrup, King and Company, Post Office Box 1406, Woodland, CA 95695. Breeding commercial cultivars. Angell, Fred. A. L. Castle, Inc., Post Office Box 279, Hollister, CA 95023. Cucumbers, squash, melons – breeding, genetics, variety development. Armstrong, G.M. Department of Plant Pathology, Experiment Station, Experiment, GA 30212 Wilt reactions (Fusarium oxysporum f. sp.) Azhar, Mohammad. […]

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1979 Stocks and Germplasm Desired or for Exchange

Cucurbit Genetics Cooperative Report 2:54-56 (article 30) 1979 Stocks Desired J.M. Crall Watermelon lines with gummy stem blight resistance for crossing with the most advanced lines in our progeny selection program. J.D. McCreight Chlorophyll deficient stocks and stocks having any one or more of the following genes of Cucumis melo: g, gynomonoecious; gp, green petals; h, […]

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