Cucurbit Genetics Cooperative Report 16:73-74 (article 26) 1993 Linda Wessel-Beaver Dept. of Agronomy and Soils, College of Agricultural Sciences University of Puerto Rico, Mayaguez, PR 00681 Powdery mildew is a disease found wherever cucurbit crops are grown. Two organisms are reported as the causal agents of this disease: Erysiphe cichoraceatum DC ex. Merat and Sphaerotheca […]
Month: July 1993
Breeding Bush Types of C. moschata with Field Resistance to PRSV-W.
Cucurbit Genetics Cooperative Report 16:70-72 (article 25) 1993 Paulo T. Della Vecchia, Petro Terenciano S. and A,adeu Terenciano Agroflora S/A, Caixa Postal 427, 12900-000 Braganca Paulista-SP, Brazil Immature fruits of C. pepo and C. moschata are used in Brazil for raw or steamed salads. the market preference is towards C. pepo cultivars which bear slightly […]
Inheritance of Immature Fruit Color in C. Moschata
Cucurbit Genetics Cooperative Report 16:68-69 (article 24) 1993 Antonio I.I. Cardosa, Paulo T. Della Vecchia, and Norberto Silva Agroflora S/A, Caixa Postal 427, 12900-000 Braganca Paullsta – SP, Brazil; Departmento de Agricultura e Melhoramento Vegetal, FAC-Campus Botucatu-UNESP, 186-000 Botucatu – SP, Brazil Bush types of C. moschata with field resistance to Papaya Ring Spot Virus-W […]
A Case of Extremely Low Expressivity of Gene B2 in C. moschata.
Cucurbit Genetics Cooperative Report 16:64-67 (article 23) 1993 Oved Shifriss 21 Walter Avenue, Highland Park, NJ 08904 An F2 population of the cross IL-B x NJ-B, C. moschata, was grown in the fall of 1989 in Naples, Florida. According to present interpretation (1, 2), IL-B is B1 + B1 + B2B2 and NJ-B, B1B1 B2 […]
The Chromoplast Ultrastructure of Two Isogenic Lines of Cucurbita pepo fruits at Different Developmental Stages
Cucurbit Genetics Cooperative Report 16:61-63 (article 22) 1993 H.T. Lim, C.D. Boyer Department of Horticulture, Kangwon National University, Chuncheon, 200-701, The Republic of Korea; Department of Horticulture, The Pennsylvania State University, University Park, PA 16802. Introduction: Many agriculturally important processes take place in the various developmental states of plastids. Chloroplasts are extensively studied due to […]
Productivity of Naked Seed Squash, Cucurbita pepo L.
Cucurbit Genetics Cooperative Report 16:58-59 (article 21) 1993 Warid A. Warid, Jaime J. Martinex, and Juan M. Loaiza Department of Agriculture – DAG, University of Sonora, Hermosillo, Sonora, Mexico The naked-seed squash has been reported by Curtis (2, 3). The seed lacks the lignified seed coat. Whitaker (5) referred to studies on this mutatin by […]
Genetic Parthenocarpy in Cucurbita Pepo L.
Cucurbit Genetics Cooperative Report 16:55-57 (article 20) 1993 R.W. Robinson Horticultural Sciences Department, New York State Agricultural Experiment Station, Geneva, New York 14456 Fruit set of summer squash can be very poor when conditions are unfavorable for pollination. Many F1 hybrid cultivars have been bred to have a high ratio of female to male flowers […]
1993 Melon Reports
CGC Report No. 16 Melon (Cucumis melo) Cucumis germplasm: 1992 collection expedition in India J.D. McCreight, J.E. Staub, N.M. Koppar and U.C. Srivastaba (USA and India) CGC 16:35-36 (1993) Resistance to melon dieback in Spanish landraces of melon F. Nuez and J. Esteva (Spain) CGC 16:37-38 (1993) Club mildew: working group on resistance of melon to […]
Genotypic Control of Regeneration Potential in Cucumis melo
Cucurbit Genetics Cooperative Report 16:53-54 (article 19) 1993 J. Jain and T.A. More Division of Vegetable Crops, Indian Agricultural Research Institute, New Delhi – 110012, INDIA Present study was undertaken to outline the genotypic control of regeneration potential in C. melo. Three sex forms viz. andromonoecious (Pusa Madhuras), gynoecious (GM-5D, GM-7 and GM-6E-7) and monoecious […]
Screening of Melons for Sweetpotato Whitefly Resistance: 1992
Cucurbit Genetics Cooperative Report 16:49-52 (article 18) 1993 James D. McCreight U.S. Department of Agriculture, Agricultural Reesearch Service, U.S. Agricultural Research Station, 1636 East Alisal Street Salinas, CA 93905, USA Sweetpotato whitefly, Bemisa tabaci Genn. (SPWF) B strain virtually destroyed the Fall 1991 melon crop in the lower desert valleys of Arizona and California (4). […]