February 1980 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. Some Germplasm of Rheum rhaponticum and Related Species David W. Davis Dept. of Horticultural Science and Landscape Architecture, University of Minnesota, St. Paul, MN 55108 The University of Minnesota has for many years maintained a sizeable collection of rhubarb types brought together by the late […]
H.M. Munger
Effects of the White Spine Allele on Skin Toughness and Fruit Firmness in ‘Wisconsin SMR 18’ Cucumber
Cucurbit Genetics Cooperative Report 3:6-8 (article 4) 1980 B.F. George Heinz, U.S.A., Tracy, CA 95376 H.M. Munger Cornell University, Ithaca, NY 14853 The cream mature fruit color, associated with the white spine allele (b), is preferred by pickle processors over the orange mature fruit color associated with the black spine allele (B). However, many seedsmen […]
Dominant Genes for Resistance to Powdery Mildew in Cucumber
Cucurbit Genetics Cooperative Report 2:10 (article 6) 1979 H. M. Munger, Abad Morales, and Sadig Omara Departments of Plant Breeding and Vegetable Crops, Cornell University, Ithaca, NY 14853 All reports we have seen on the inheritance of powdery mildew resistance in cucumbers have shown that any resistant parent crossed with a susceptible parent gave a […]
The Influence of Temperature on Powdery Mildew Resistance in Cucumber
Cucurbit Genetics Cooperative Report 2:9-10 (article 5) 1979 H. M. Munger Departments of Plant Breeding and Vegetable Crops, Cornell University, Ithaca, NY 14853 In studying the inheritance of powdery mildew resistance in cucumber, we have repeatedly noticed that plants in the greenhouse with any given level of resistance show much more mildew during the winter […]
Vegetable Improvement Newsletter No. 21
February 1979 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. A Summary of Cucumbers Released from the Cornell Breeding Program H.M. Munger Departments of Plant Breeding and Vegetable Crops, Cornell University, Ithaca, N.Y. 14853 The purpose of this note is to summarize and clarify the status of cucumbers released as either varieties or […]
Vegetable Improvement Newsletter No. 20
February 1978 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. Resistance in Sweet Corn to Colletotrichum graminocolum L.V. Gregory, L.J. Seybert, J.E. Ayers, and D.L. Garwood Departments of Plant Pathology and Horticulture, The Pennsylvania State University, University Park, Pennsylvania 16802 The inbreds PaIa453 ae du wx and PaIa5125 ae du wx were observed to differ in field reaction […]
Multiple Virus Resistance in Cucurbita species
Cucurbit Genetics Cooperative Report 1:26-27 (article 25) 1978 R. Provvidenti, R. W. Robinson and H. M. Munger New York Agricultural Experiment Station, Geneva NY 14456 Adequate levels of resistance to several viral diseases have not been found in cultivated Cucurbita species. Therefore, we tested wild species of the genus to determine if genes for virus resistance could […]
Vegetable Improvement Newsletter No. 19
February 1977 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. Growth Analysis of Dry Matter, Economic Bulb Yield and Protein Production of Several Varieties of Onion (Allium cepa L.) Gaafar Mohamedali Department of Plant Breeding, Cornell University, Ithaca, N.Y. Five field experiments were conducted in 1973-75 at East Ithaca and Freeville, New York with […]
Vegetable Improvement Newsletter No. 18
February 1976 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. Transferring Powdery Mildew Resistance in Cucumber H.M. Munger Cornell University, Ithaca, N.Y. There are several published reports on the inheritance of powdery mildew resistance in cucumber in which several genes, mostly recessive, have been identified. It has not been clear as to how […]
Vegetable Improvement Newsletter No. 17
February 1975 Compiled by H.M. Munger, Cornell University, Ithaca, New York 1. Sungold or CW 198 Wax Bean M.H. Dickson New York State Agricultural Experiment Station, Geneva, N.Y. Sungold was released to the trade as CW 198 in February 1973. Sungold has been extensively tested in various parts of the country and has shown good […]