Cucurbit Genetics Cooperative Report 12:7-8 (article 3) 1989 Jack E. Staub and Linda K. Crubaugh USDA, ARS Department of Horticulture, University of Wisconsin, Madison, WI 53706 Lack of an efficacious chemical weed control system is a major factor which limits yield in commercial cucumber (Cucumis sativus L.) production in the United States. This is particularly […]
Month: July 1989
Toxins: Potential Screening Aid for Selecting Anthracnose Resistance in Cucumbers
Cucurbit Genetics Cooperative Report 12:9-10 (article 2) 1989 D.C. Linde, J.M. Shively and B.B. Rhodes Clemson University Edisto Research and Education Center, Blackville, SC 29817 (first and third authors); and Department of Biological Sciences, Clemson University, Clemson, SC 29632 (second author) Anthracnose (causal agent = Colletotrichum lagenarium) is one of the most important diseases of […]
Alternaria alternata f. sp. cucurbitae on Cucumber and Other Cucurbits
Cucurbit Genetics Cooperative Report 12:1-4 (article 1) 1989 Demetrios John Vakalounakis Plant Protection Institute, Heraklio, Crete, Greece During the 1979 to 1980 crop season, a severe leaf spot disease of cucumber (Cucumis sativus L.) was noticed on greenhouse crops grown in some plastic houses in the Sitia Area, Lasithi, Crete, Greece, along the coastal strip […]
1989 Other Cucurbit Genera and Species
Report No. 12 Other Genera and Species Taxonomic position of round melon (Praecitrullus fistulosus) V.S. Sujatha and V.S. Seshadri (India) CGC 12:86-88 (1989) Allozyme studies in the Benincaseae D.S. Decker-Walters and T.W. Walters (USA) CGC 12:89-90 (1989)
Allozyme Studies in the Benincaseae
Cucurbit Genetics Cooperative Report 12:89-90 (article 37) 1989 D.S. Decker-Walters and T.W. Walters Department of Botany, University of Guelph, Guelph, Ontario, N1G, 2W1, Canada We employed starch gel electrophoresis to evaluate allozyme activity and variation in six genera in the tribe Benincaseae (Cucurbitaceae). Germplasm accessions of the domesticated species, Benincasa hispida (Thunb.) Cogn. (winter-melon), Citrullus […]
Taxonomic Position of Round Melon (Praecitrullus fistulosus)
Cucurbit Genetics Cooperative Report 12:86-88 (article 36) 1989 V.S. Sujatha and V.S. Seshadri Division of Vegetable Crops, Indian Agricultural Research Institute, New Delhi 110012, India Round melon or ‘tinda’ is an Asian cucurbit having a chromosome number of x=12. This taxon was earlier considered as a botanical variety of watermelon, Citrullus lanatus (x=11). Pangalo (8), […]
1989 Squash and Pumpkin Report
Report No. 12 Squash and Pumpkin (Cucurbita spp.) Cucurbita moschata half-sib families collected in Puerto Rico and the Dominican Republic L. Wessel-Beaver and M.W. Carbonell (USA/Puerto Rico) CGC 12:68-69 (1989) Inheritance of mottled leaf in Cucurbita moschata Poir A. Ribeiro and C.P. da Costa (Brazil) CGC 12:70-71 (1989) List, description, and interactions of the genes affecting fruit color in Cucurbita […]
Determination of Molecular Weight of Chloroplast DNA of Cucurbita pepo L. using Different Restriction Enzymes
Cucurbit Genetics Cooperative Report 12:84-85 (article 35) 1989 H.T. Lim and C. Boyer Department of Horticulture, Pennsylvania State University, University Park, PA 16802 Chloroplasts contain their own complement of DNA as well as protein synthesis apparatus. The chloroplast DNA (CpDNA) exists as covalently closed circular molecular molecules, ranging in size from 120 to 180 kilobase […]
Control of Chlorophyll During Plant Development: Hypothesis
Cucurbit Genetics Cooperative Report 12:82-83 (article 34) 1989 Oved Shifriss 21 Walter Avenue, Highland Park, NJ 08904 The term “control” in the title pertains to a series of steps that transforms proplastids into chloroplasts, the organelles of chlorophyll synthesis. These steps occur in competent cells that are exposed to light. According to present hypothesis there […]
Relationship between Gene B and Gene Ses-B in Cucurbita pepo L.
Cucurbit Genetics Cooperative Report 12:79-81 (article 33) 1989 Oved Shifriss 21 Walter Avenue, Highland Park, NJ 08904 Gene B conditions precocious depletion of chlorophyll. And the loss of chlorophyll is often associated with precocious yellow pigmentation. The primary target of B is the fruit (2). But B can also affect other potentially photosynthetic organs, depending […]