Pecan cultivars
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'Nacono' (Nut Photo) Originated from a controlled cross ('Cheyenne' X 'Sioux') made in Brownwood, TX by E. J. Brown and G. D. Madden in 1974. Tested as 74-5-55 by T. E. Thompson, L. J. Grauke and J. B. Storey and released in 2000. Nut: oblong with acute apex, and an acuminate (pointed) base; round in cros section; 44 nuts/lb, 56% kernel; kernels cream to golden in color, with shallow dorsal grooves and rounded dorsal ridge. Nuts shell out easily into full halves and have excellent eye appeal. Protogynous, with late season pollen shed and early to mid season receptivity. Resistant to scab [7 year mean nut scab of 1.06 (where 1=resistant, 5=very susceptible) while 'Desirable' tested at 1.90 and 'Stuart' at 1.21]. Moderately susceptible to yellow and black aphids. Trees are vigorous, with branched central leader form (photo of tree form) with strong limb angles. Bud growth commences shortly after 'Desirable' in the spring. Leaves are characterized by large leaflets, a feature common to other members of this cross family (74-5-60 and 75-5-6). Medium precocity (comparable to 'Pawnee'). Nuts average 3 per cluster. Shucks are glossy yellow green (photo of nuts in shucks), with medium suture wings near the apex. Nuts mature mid-late October, about one week prior to 'Desirable'. 'Nacono' bears well, but avoids overbearing.

LJ Grauke , Research Horticulturist &Curator
USDA-ARS Pecan Genetics
10200 FM 50
Somerville, TX 77879
fax: 979-272-1401

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