Pecan cultivars
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'Hopi' (nut photo) Originated from controlled cross ('Schley' X 'McCulley') made by L. D. Romberg in 1939 and tested as selection 39-5-50. Released 14 May 1999 by USDA-ARS for consistent production of high quality nuts in the western production area. Neither precocious nor high yielding when compared to 'Wichita' or 'Western', but comparable to 'Kanza' and 'Creek'. Nut: ovate with obtuse apex and rounded base; 46 nuts/lb., 62% kernel; kernels with distinctively narrow dorsal ridge and relatively narrow dorsal grooves, light cream to cream in color. Tree: upright growth habit with strong limb angles; protogynous with mid- to late-season pollen shed and early to mid-season pistil receptivity; mid-season nut maturity (mid-Oct. in Brownwood, TX); resistant to vein spot (Gnomonia nerviseda Cole), moderately susceptible to pecan scab [Cladosporium caryigenum (Ell. et Lang.) Gottwald] and downy spot (Mycosphaerella caryigena Demaree and Cole) diseases; medium susceptibility to yellow aphids (Monelliopsis pecans Bissell) and black aphids (Melanocallis caryaefoliae Davis).

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

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