Pecan cultivars
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'Schley' (nut photo) Seedling selection from nut planted about 1881 by A. G. Delmas, at Scranton, Jackson County, MS. Once thought to be from 'Stuart' seed, but isozymes negate that relationship ('Schley' has aa genotype for phosphoglucose isomerase, and bb for malate dehydrogenase, while 'Stuart' is bb for the former and ac for the latter). Named by Delmas in 1898 in honor of Admiral Winfield Scott Schley, Commander of the U.S. Naval Forces in the Spanish American War. First commercially propagated under the name 'Admiral Schley' in 1902 by D. L. Pierson, Monticello, FL. Nut: oblong with acute apex and base; assymetric;54 nuts/lb, 62% kernel; kernels golden with narrow dorsal grooves. Protogynous, with mid-season pollen shed and mid-season pistillate receptivity. Long considered the standard of nut quality for the pecan industry. Used extensively in breeding. Female parent of 'Sioux', 'Shawnee', 'Cherokee', 'Oconee', 'Woodroof' and 'Cape Fear'. Male parent of 'Apache'. Susceptible to scab, black pecan aphid, and a trunk disorder described as phomopsis canker. Recommended (1990) for planting in AR.

LJ Grauke , Research Horticulturist & Curator
USDA-ARS Pecan Genetics
Route 2 Box 133
Somerville, TX 77879
fax: 409-272-1401

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