CGC Report #20 Squash and Pumpkin (Cucurbita spp.) Bisex Sterility Governed by a Single Recessive Gene in Cucurbita pepo L. R. Bruce Carle (USA) CGC 20:46-47 (1997) Cuban Pumpkin Genetic Variability under Low Input Conditions Humberto Ríos Labrada, Antonio Fernández Almirall and Orlando Batista de la Carrera (Cuba) CGC 20:48-49 (1997) Response of Cuban Pumpkin (Cucurbita moschata Duch) to […]
Squash & Pumpkin Reports
Differential Response of Cucurbita pepo Cultivars to Strains of Zucchini Yellow Mosaic Virus
Cucurbit Genetics Cooperative Report 20:56-59 (article 26) 1997 R.W. Robinson and R. Provvidenti Cornell University, New York State Agricultural Experiment Station, Geneva, NY 14456 Lisa and Lecoq (2) described zucchini yellow mosaic virus (ZYMV) as being remarkably variable. Different strains of ZYMV can be distinguished on the basis of the symptoms on susceptible hosts, and […]
New American Summer Squash Cultivars Possessing a High Level of Resistance to a Strain of Zucchini Yellow Mosaic Virus from China
Cucurbit Genetics Cooperative Report 20:57-58 (article 25) 1997 R. Provvidenti Department of Plant Pathology, Cornell University, New York State Agricultural Experiment Station, Geneva, N.Y. 14456 Different strains of zucchini yellow mosaic virus (ZYMV) have been reported to infect cucurbits in many countries of the world (3,8). Two American strains of this virus are well known, […]
Screening for Silverleaf Resistance in Cucurbita Accessions
Cucurbit Genetics Cooperative Report 20:54-56 (article 24) 1997 Linda Wessel-Beaver Dept. of Agronomy and Soils, University of Puerto Rico, Mayaguez, PR 00681 U.S.A. During the past decade the silverleaf whitefly, Bemisia argentifolii Bellows and Perring (= Bemisia tabaci, ‘B’ strain), has become a serious pest of squash and pumpkins in the Caribbean Basin. Populations of […]
Different Crop Association Systems with Pumpkin (Cucurbita moschata Duch.) cv. Mariucha
Cucurbit Genetics Cooperative Report 20:53 (article 23) 1997 Sara L. Cortes Hernandez and Maria de los A. Pino National Institute of Agricultural Sciences, Carretera Tapaste Km 3 1/2, San Jose de las Lajas, Habana Cuba, Gaveta Postal No. 1 C.P. 32700 In Cuba, pumpkin yields have decreased in recent years to 1.3 t/ha, due to […]
Response of Cuban Pumpkin (Cucurbita moschata Duch) to Abiotic and Biotic Stress Interactions
Cucurbit Genetics Cooperative Report 20:50-52 (article 22) 1997 Humberto Rios Labrada1 , Antonio Fernandez Almirall2 and Enrique Casanova Galarraga3 1 Instituto Nacional de Ciencia Agricola, INCA GP No.1 San jose de las Lajas, La Habana, Cuba, CP 32700 2 Instituto Superior Pedagogico para la ensenanza Tecnica y Profesional, Rpto Alday, La Habana, Cuba 3 Instituto […]
Cuban Pumpkin Genetic Variability under Low Input Conditions
Cucurbit Genetics Cooperative Report 20:48-49 (article 21) 1997 Humberto Rios Labrada, Antonio Fernandez Almirall and Orlando Batista de la Carrera Instituto Nacional de Cienncias Agricolas, INCA GP No 1, San Jose de Las Lajas, La Habana, Cuba, Cp 32700 Introduction. Genetic improvement of crop yields under marginal conditions suffers from many practical problems. One of […]
Bisex Sterility Governed by a Single Recessive Gene in Cucurbita pepo L.
Cucurbit Genetics Cooperative Report 20:46-47 (article 20) 1997 R. Bruce Carle University of Florida, Central Florida Research & Education Center, Leesburg, FL 34748-8232 Bisex genetic sterility has been reported for both Cucurbita pepo L. (1) and C. maxima Dutch. (2). In C. pepo male flowers had rudimentary anthers containing no pollen and female flowers appeared […]
1996 Squash Report
CGC Report No. 21 Squash and Pumpkin (Cucurbita spp.) The B Genes and their Phenotypic Expression in Cucurbita: An Overview Oved Shifriss (USA) CGC 19:73-77 (1996) High Yields of Summer Squash Lines and Hybrid Combinations Andres Tacho Amaya and Sergio Garza Ortega (Mexico) CGC 19:78-80 (1996) Resistance to Three Isolates of Zucchini Yellow Mosaic Virus (ZYMV) in Squash (Cucurbita […]
A Taiwan Strain of Papaya Ringspot Virus from Carica papaya Causing Prominent Symptoms on Cultivated Cucurbits
Cucurbit Genetics Cooperative Report 19:83-84 (article .30) 1996 A. Provvidenti Department of Plant Pathology. Cornell University, New York State Agricultural Experiment Station, Geneva, N. Y. 11446 Papaya ringspot virus (PRV), an economically important viral agent, usually occurs in tropical and semitropical areas of the world. Its particles are flexuous rods about 780 x 12 mm […]