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| ACCESSION | PLANT NAME | TAXONOMY | ORIGIN | GENEBANK | IMAGE | AVAILABILITY | RECEIVED | SOURCE TYPE | SOURCE DATE | COLLECTION SITE | COORDINATES | ELEVATION | HABITAT | IMPROVEMENT LEVEL | NARRATIVE | | |
|---|
| 0 | DVIT 2069 | Miss Blue | Vitis hybr. | Mississippi, United States | DAV | | | 1983 | DEVELOPED | POST 1937 | | | | | Cultivated material | Type = Hybrid. Per J.P. Overcash, et. al. (see citation): "ORIGIN: Grape research at the USDA Horticultural Field Station near Meridian, Mississippi was in initiated in 1937 with the objectives of testing and developing bunch grapes that could be grown in home gardens. Most standard grape varieties of all origins were found to be short-lived, but good progress was made in breeding vigorous and productive (Meridian) lines. Meridian M20-3C (MidSouth) and Meridian M18 (MissBlue) were grown in vineyards at Mississippi State University in 1965. Own-rooted plants of each variety were set in the research vineyards at Beaumont, Crystal Springs, Stoneville and Verona in 1974 and have lived and grown vigorously when adjacent vines of other varieties have died. MidSouth and MissBlue have not shown symptoms of Pierce's Disease, and their vigor and productivity have indicated resistance have indicated resistance to the disease. [...] MissBlue is a cross of Dog Ridge is a V champini selected from the wild in Bell County, Texas in the late 1800s and has been distributed worldwide as a vigorous rootstock. It roots from cuttings and is exceedingly vigorous. It is resistant to Pierce's Disease, lime, drought and nematodes and is moderately resistant to phylloxera. It has a pistillate flower type and very small clusters of berries of medium size and low quality. J.B. Moore of Concord, Massachusetts developed Moore Early from an open-pollinated seed of Concord in 1872, and the variety was named in 1877. It is self-fertile, has purple berries and is typical of V. labrusca x V. vinifera varieties. It tolerates black rot but is susceptible to Pierce's Disease. MissBlue is highly susceptible to anthracnose, but a persistent fungicide program has kept this disease under control. [...] Harvest dates of MidSouth and MissBlue in our research vineyards have been from late July to mid-August. Yields have been higher for MidSouth than for MissBlue, and both have been more reproductive than Blue Lake. Yields have varied directly with vine size, which often is expressed as pounds removed per vine by the balanced pruning arrangement used in our vineyards. Average pruning weights for three years at three locations were the same for MidSouth and MissBlue, and Blue Lake vines were less vigorous. MidSouth and MissBlue berries are larger than those of Blue Lake and Lake Emerald, but Lake Emerald clusters are heavier than clusters of MidSouth and MissBlue. MissBlue clusters are compact. Sugar content (percent soluble solids measured by a hand refractometer over a three locations) was comparable for Blue Lake, MidSouth and MissBlue. Soluble solids content of Lake Emerald was 4-5% higher. Fully-ripe MidSouth and MissBlue berries have a mild and slight "foxy" flavor (due to methylanthranilate) but do not complete for fresh eating with high-quality Concord grapes from areas where that variety is well adapted; however, they are superior to Concord grapes grown in central and southern Mississippi where concord is poorly adapted." | 1018003 | DVIT 2069 |