‘Marketmore 97’: A Monoecious Slicing Cucumber Inbred with Multiple Disease and Insect Resistances

Abstract

<jats:p>‘Marketmore 97’ is the most recent addition to a series of disease-resistant slicing cucumbers developed in the Cornell University Department of Plant Breeding. The fruit have green skin with white spines and an average length and diameter of 18.8 cm and 4.8 cm, respectively. Broad resistance to a number of destructive diseases and insects makes this cultivar well-suited to low-input agricultural systems at the scale of the home gardener or the commercial grower. In addition to the cucumber mosaic virus (CMV), cucumber scab (<jats:italic>Cladosporium cucumerinum</jats:italic> Ell. &amp; Arth.), downy mildew (<jats:italic>Pseudoperonospora cubensis</jats:italic> Berk &amp; Curtis), and powdery mildew (<jats:italic>Sphaerotheca fuliginea</jats:italic> Schl. ex Fr.) resistances of ‘Marketmore 76’, ‘Marketmore 97’ contains resistance to alternaria leaf spot [<jats:italic>Alternaria alternata</jats:italic> (Fr.) Keis.], Ulocladium leaf spot (<jats:italic>Ulocladium cucurbitae</jats:italic> Let. &amp; Roum.), target leaf spot (<jats:italic>Corynespora cassiicola</jats:italic> Berk. &amp; Curt.), watermelon mosaic virus, papaya ringspot virus, and zucchini yellow mosaic virus. Furthermore, the bitterfree character of this cultivar is responsible for nonpreference of the striped cucumber beetle (<jats:italic>Acalymma vittatum</jats:italic> Fab.) and spotted cucumber beetle (<jats:italic>Diabrotica undecimpunctata howardi</jats:italic> Barber). Finally, a near isogenic line of ‘Marketmore 97’ is available that is gynoecious. A replicated trial of ‘Marketmore 97’ conducted in New York in 2006 confirmed comparable yield and quality to other Marketmore cultivars.</jats:p>

Mildew Resistance Locus O Genes CsMLO1 and CsMLO2 Are Negative Modulators of the Cucumis sativus Defense Response to Corynespora cassiicola

“…Thus far, research on TLS has primarily focused on identification, control methods and biological characteristics. Several resistant varieties, including Jinyou 3 [1], Jinyou38 [1], Marketmore97 [2], HygBrid72502 [3], and USDA6623E [4], have been identified by disease resistance phenotypes in both Asia and Europe. At present, the inheritance of TLS resistance in cucumber has been found in several studies by using marker-assisted selection (MAS) and simple sequence repeat (SSR) techniques.…”

‘DMR-NY401’: A New Downy Mildew–resistant Slicing Cucumber

“…The Cornell University vegetable breeding program has developed cucumbers (Cucumis sativus L.) resistant to a spectrum of diseases, including powdery mildew (Cavatorta et al, 2012;Jahn et al, 2002) and viruses (Munger, 1993). The program has also released a number of cultivars with multiple disease resistances, like the 'Marketmore' series (Cavatorta et al, 2007). The most recent release from this breeding program was a green slicing cucumber inbred line, 'DMR-NY264', that is resistant to cucurbit downy mildew (Holdsworth et al, 2014).…”

Development of Downy Mildew-resistant Cucumbers for Late-season Production in the Northeastern United States

“…37 with the high-quality commercial cultivars A & C and Colorado (Barnes, 1961;Barnes et al, 1946;Jenkins, 1942;Stewart, 1897). Over the next several decades, a number of new downy mildewresistant lines were released by public breeding programs, including cultivars in the 'Marketmore' and 'Poinsett' series, which featured prominently in the pedigrees of many subsequent fresh-market cultivars (Barnes, 1948;Cavatorta et al, 2007;Clark et al, 1996;Peterson et al, 1982Peterson et al, , 1985Peterson et al, , 1986. Most of these lines contained mono-or oligogenic resistance derived from 'Chinese Long ' and/ or PI 197087 (Barnes and Epps, 1954;Cavatorta et al, 2007;Munger, 1993;Peterson, 1975;Sitterly, 1972;van Vliet and Meysing, 1974).…”