Plant husbandry – Process
Patent
1993-06-30
1995-05-02
Fox, David T.
Plant husbandry
Process
47 44, A01B 7900, A01C 100, A01G 1706, A01G 1714
Patent
active
054115612
ABSTRACT:
A method for producing natural, sun-dried raisins from the Thompson seedless grape variety in vineyards located in the Central Valley of California, or similarly situated vineyards, having about 4000 to 5100 degree days during the growing and drying season and an annual yearly rainfall of between about 10 to 12 inches. Rows (2) of grape vines (4) are grown at the vineyard site. The canes are trained so to create divided canopies along the rows of grape vines. The divided canopy has fruiting canes (26) primarily on one side of the row and replacement canes (28) separated from the fruiting canes, typically on the other side of the row. Once the grapes are sufficiently mature, the fruiting canes are cut (34) adjacent the crowns (32) of the grape vines. The grapes (30), still hanging from the cut fruiting canes, are left to dry naturally in the sun to create natural raisins. When sufficiently dry, the raisins are harvested directly from the cut canes. This method eliminates the need for drying grapes on drying trays or rolls of paper on the ground when producing natural, sun-dried grapes.
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Department of Agriculture Technical Report Series No. 193 "The Shaw Trellis--A New Innovation In Trellis Dried Sultana Production", R. Hayes, R. Johns, M. Mollah, pp. 5-8, undated.
"Mechanical Harvesting of Black Corinth Raisins," P. Christensen, C. Lynn, H. P. Olmo, H. E. Studer, California Agriculture, Oct. 1970, pp. 4-6.
"Mechanizing the Production of Sultana (Thompson Seedless) Raisins," P. May and P. R. Clingeleffer, U. of Calif. Davis Grape and Wine Centennial Symposium Proceedings, 1880-1980, pp. 191-194.
"Vine Drying of Raisin Grapes," H. E. Studer, Dept. of Agriculture Engineering, UCD, undated, 4 pages.
Fox David T.
Sun-Maid Growers of California
Veitenheimer Erich E.
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