A Rapid and Non-Destructive Technique for Measuring the Area of Cucumber Leaves.

Cucurbit Genetics Cooperative Report 9:33-36 (article 9) 1986 D.L. Visser Institute for Horticultural Plant Breeding (IVT), P.O. Box 16, 6700 AA Wageningen, The Netherlands Leaf area measurements are an essential part of growth analyses. For most measurements, plants need to be defoliated so that leaf area can be measured with a photo-electrical area meter. Growth […]

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Monogenic Inheritance of Andromonoecy in Tetraploid Cucumis ficifolius A. Rich

Cucurbit Genetics Cooperative Report 7:100-101 (article 45) 1984 Visser, D.L. and A.P.M. den Nijs Institute for Horticultural Plant Breeding (IVT), P.O.B. 16, 6700 AA Wageningen, The Netherlands Spontaneous fruit and seed set was observed in one out of ten plants of Cucumis ficifolius A. Rich (Genebanknumber 2061, IVT collection from Kenya), grown under isolation in […]

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Variation for Interspecific Crossability of Cucumis anguria L. and C. zeyheri Sond.

Cucurbit Genetics Cooperative Report 6:100-101 (article 51) 1983 D. L. Visser and A. P. M. den Nijs Institute for Horticultural Plant Breeding, P. O. Box 16, Wageningen, The Netherlands Cucumis anguria L. and C. zeyheri Sond. are both resistant to cucumber green mottle mosaic virus, a serious disease of glasshouse cucumbers. The resistance of C. […]

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Rectification of the Names of Certain Accessions of the IVT-Cucumis Collection

Cucurbit Genetics Cooperative Report 5:59-60 (article 28) 1982 H.Q. Varekamp, D.L. Visser and A.P.M. den Nijs Institute for Horticultural Plant Breeding (IVT), P.O. Box 16, Wageningen, The Netherlands During last summer we were fortunate enough to have the assistance of the Royal Botanic Gardens at Kew to check the taxonomic determinations of our Cucumis species collection. We […]

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Seedling Death in Interspecific Crosses with Cucumis africanus L.f.

Cucurbit Genetics Cooperative Report 4:58-60 (article 30) 1981 A. P. M. den Nijs, D. L. Visser and J. B. M. Custers Institute for Horticultural Plant Breeding, P. O. Box 16, Wageningen, The Netherlands Three interspecific crosses with Cucumis africanus L.f. out of our crossability analysis of African Cucumis species (4) set seed, most of which […]

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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 […]

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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 […]

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