scholarly journals `PMR Delicious 51': An Improved Open-pollinated Melon with Resistance to Powdery Mildew

HortScience ◽  
2005 ◽  
Vol 40 (1) ◽  
pp. 261-262 ◽  
Author(s):  
Mark J. Henning ◽  
Henry M. Munger ◽  
Molly M. Jahn
Keyword(s):  
Powdery Mildew ◽  
Plant Breeding ◽  
Fusarium Oxysporum ◽  
Fusarium Wilt ◽  
Cucumis Melo ◽  
Agricultural Experiment Station ◽  
Cornell University ◽  
Experiment Station ◽  
Agricultural Experiment ◽  
Race 2

`PMR Delicious 51' is a new and improved version of the `Delicious 51' eastern type melon (Cucumis melo L.). It was developed in the Department of Plant Breeding at the Cornell University Agricultural Experiment Station in Ithaca, N.Y. It is well adapted for northeastern U.S. conditions and shows potential for good adaptation in the northwest. It is well suited for home gardeners, market gardeners, and commercial growers who want to grow an open-pollinated (OP) melon. `PMR Delicious 51' has excellent resistance to powdery mildew races 1 and 2 (Podosphaera xanthi) and resistance to fusarium wilt (Fusarium oxysporum f. sp. melonis) race 2.

scholarly journals Potential Sources of Resistance to Fusarium Wilt and Powdery Mildew in Melons

HortScience ◽  
2005 ◽  
Vol 40 (6) ◽  
pp. 1657-1660 ◽  
Author(s):  
José María Alvarez ◽  
Rafael González-Torres ◽  
Cristina Mallor ◽  
María Luisa Gómez-Guillamón
Keyword(s):  
Powdery Mildew ◽  
Fusarium Oxysporum ◽  
Fusarium Wilt ◽  
Cucumis Melo ◽  
Wild Relatives ◽  
Natural Resistance ◽  
Sphaerotheca Fuliginea ◽  
Sources Of Resistance ◽  
Potential Sources ◽  
Artificial Inoculations

In total, 139 Cucumis melo accessions were evaluated for resistance to races 0, 1, and 2 of Fusarium oxysporum fsp. melonis and 127 accessions were evaluated for resistance to races 1 and 2 of Sphaerotheca fuliginea. In addition, seven C. melo wild relatives were also tested. Artificial inoculations were performed and plants were scored for presence or absence of symptoms. The screening revealed that sources of natural resistance to these fungi are limited. However, several sources of resistance were found in C. melo accessions. Thus, the accession `CUM-334' from Tajikistan has shown resistance to the three races of F. oxysporum fsp. melonis, behaving similarly to the melon inbred line `MR1'. Two accessions of C. melo var. conomon, `CUM-190' and `Shiroubi Okayama', from Japan, were resistant to races 0 and 1 and twelve accessions were resistant to races 0 and 2. Intra-specific variability for resistance to powdery mildew in C. melo was found to be poor. Nevertheless, six Spanish cultivars and the accessions `TGR-1551', `CUM-313', and `CUM-129' were resistant to races 1 and 2 of S. fuliginea.

scholarly journals THE CIGAR CASE-BEARER OF THE APPLE (COLEOPHORA FLETCHERELLA)

1896 ◽  
Vol 28 (5) ◽  
pp. 128-130
Author(s):  
James Fletcher
Keyword(s):  
Life History ◽  
Apple Orchards ◽  
Agricultural Experiment Station ◽  
Maritime Provinces ◽  
Cornell University ◽  
Experiment Station ◽  
Large Numbers ◽  
History Of ◽  
Agricultural Experiment

In 1889 I received from the late William Brown, of Charlottetown, P. E. I., some larvæ of a small case-bearer, which he had found in large numbers upon his plum trees, and which also occurred in his pear and apple orchards. Since that time this insect has made itself well-known by its injuries in apple orchards in various localities in the Maritime Provinces, and in the Provinces of Quebec and Ontario. A beautifully illustrated and carefully prepared bulletin has been issued by Mr. M. V. Slingerland, of Cornell University Agricultural Experiment Station, in which the life history of this most interesting but very serious enemy of the fruit grower is fully described. The above illustration, kindly lent by the editor of the Canadian Horticulturist, is copied from that bulletin.

Sign in / Sign up

Export Citation Format

Share Document