'Mahan' (Nut photo) (Chestnut, Florida Giant, Georgia Giant, Masterpiece, Mayhan, Mississippi Giant)
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'Mahan' (Nut photo) (Chestnut, Florida Giant, Georgia Giant, Masterpiece, Mayhan, Mississippi Giant). Orig. as chance seedling from seed of unknown parentage planted about 1910 by J. M. Chestnutt. Propagation rights sold to F. A. Mahan, Monticello Nursery Co., Monticello, FL in 1927. Nut: oblong, with acute apex and base; nut often assymetric, appearing 'pinched' in middle due to flattening of abaxial and adaxial surfaces; flattened in cross section; 32 nuts/lb, 58% kernel; kernels with deep secondary dorsal grooves and basal cleft, often poorly filled to base, woody in texture. Homozygous for protogyny (PP) which is a dominant allele, making all 'Mahan' progeny protogynous. Mid- to late-season pollen shed, with early to mid-season receptivity. Very precocious and prolific, with a strong tendency to overbear as a mature tree. Ripens late, about 12 days after 'Stuart'. Very susceptible to scab. 'Mahan' is the female parent of 'Tejas', 'Kiowa', 'Harper', 'Mahan-Stuart' and 'Maramec' and the pollen parent of 'Choctaw', 'Wichita', and 'Mohawk'. Recommended (1990) for planting only in AR.