Cucurbit Genetics Cooperative Report 5:40-41 (article 20) 1982 C. E. Broderick and J. B. Loy University of New Hampshire, Durham, N.H. 03824 The bush phenotype facilitates conventional row culture and manageability of winter squash, however, there is little information regarding comparative photosynthgetic efficiency and productivity between bush and vine forms of C. maxima. In 1980 and […]
Squash & Pumpkin Reports
1982 Squash Report
Report No. 5 Squash and Pumpkin (Cucurbita spp.) On white cotyledons in Cucurbita pepo L. Helen Atthowe and O. Shifriss (USA) CGC 5:39 (1982) Dry matter accumulation and productivity in bush and vine strains of winter squash C.E. Broderick and J.B. Loy (USA) CGC 5:40-41 (1982) Cucurbitacins of cotyledons of Cucurbitaceae cultivars as related to Diabroticite beetle attack J.E. Ferguson, […]
The Derivatives of ‘Fordhook Zucchini’ and Their Breeding Value
Cucurbit Genetics Cooperative Report 4:46 (article 25) 1981 O. Shifriss Department of Horticulture and Forestry, Cook College, Rutgers University, New Brunswick, NJ 08903 A cultivar by the name Fordhook Zucchini (Cucurbita pepo L.) was introduced by W. Atlee Burpee Co. in 1942. According to available information, this cultivar was obtained from M. Herb of Naples, […]
On Coadaptation of Gene B in Cucurbita
Cucurbit Genetics Cooperative Report 4:32-33 (article 24) 1981 O. Shifriss Department of Horticulture and Forestry, Cook College, Rutgers University, New Brunswick, NJ 08903 Gene B conditions precocious fruit pigmentation in Cucurbita pepo and C. maxima. But this gene can also affect plant growth, sexuality, and fruit quality. Some of these effects are beneficial and others, […]
Do Cucurbita Plants with Silvery Leaves Escape Virus Infection? Origin and Characteristics of NJ260
Cucurbit Genetics Cooperative Report 4:42-43 (article 23) 1981 O. Shifriss Department of Horticulture and Forestry, Cook College, Rutgers University, New Brunswick, NJ 08903 NJ260 is a new B/B inbred of Cucurbita pepo L. This inbred was developed from a cross between ‘Caserta’, B+/B+, and ‘Precocious Early Prolific’, B/B (7), in an attempt to synthesize a […]
Virus Studies with Cucurbita foetidissima
Cucurbit Genetics Cooperative Report 4:41-42 (article 22) 1981 M. E. Rosemeyer and W. P. Bemis University of Arizona, Tucson, AZ 85721 Two isometric viruses have been isolated from field-grown buffalo gourd (bg), Cucurbita foetidissima. Host range studies, electron microscopy, and serology have been used to identify these viruses as squash mosaic virus (SqMV) and a […]
Sources of Resistance to Viruses in Lagenaria siceraria
Cucurbit Genetics Cooperative Report 4:38-40 (article 21) 1981 R. Provvidenti New York State Agricultural Experiment Station, Cornell University, Geneva, NY 14456 In 1977, we reported (2) that an accession of Lagenaria siceraria, PI 391602 from China, was resistant to squash mosaic virus (SqMV), watermelon mosaic virus 1 (WMV-1), watermelon mosaic virus 2 (WMV-2). and that […]
Monitoring and Controlling Corn Rootworm Beetles with Baits of Dried Bitter Cucurbita Hybrids
Cucurbit Genetics Cooperative Report 4:37-38 (article 20) 1981 Metcalf, R. L., A. M. Rhodes and E. R. Metcalf* Departments of Entomology and Horticulture, University of Illinois, Urbana-Champaign, IL 61801 Recently we reported (1) that fruits of two hybrid species of Cucurbita, C. texana x C. pepo and C. andreana x C. maxima combined the genetic […]
Seed Increase of Mexican Cucurbita Collection
Cucurbit Genetics Cooperative Report 4:36-37 (article 19) 1981 C.J.A. Laborde Unit of Genetic Resources – INIA, Apartado Postal 112, Celaya, Guanajuato, Mexico During 1981 we will take field notes, evaluate for breeding purposes and have seed increase of the Cucurbita collected in Mexico during 1979 by Drs. Knight and Whitaker (161 accessions) (1). In some […]
Non-Destructive Fatty Acid Analysis of Cucurbit Seed
Cucurbit Genetics Cooperative Report 4:36 (article 18) 1981 Allen Gathman and W. P. Bemis University of Arizona, Tucson, AZ 85721 In breeding for higher linoleic acid content in the seed oil of the buffalo gourd, Cucurbita foetidissima, we have found that this character varies greatly within seeds from the same cross, due to heterozygosity of […]