Breeding sorghum for renewables â Dr. Bill Rooney, Texas A&M ...

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Sweet Sorghum Testing High Parent Heterosis (Corn, 2009) Trait mean range ----------------- % ----------------- Fresh Weight 27.4 -17 to 136 Juice Weight 27.1 -20 to 129 Brix -4.6 -15 to 13 Sugar Yield 24.2 -22 to 127 Plant Height 7.5 1 to 23 High Parent (HP) Heterosis (%) = (F1 hybrid – HP)/HP * 100
Sweet Sorghum <strong>Breeding</strong> • Seed Parents – Short Stature – Acceptable seed yield – High brix and juicy stalk • Pollinator Parent – Complementary Height and maturity – Juicy stalk and hHigh brix • Either or both – Disease Resistance – <strong>Dr</strong>ought Tolerance – Lodging resistance – Heterosis
Page 1 and 2: Considerations • Sorghum will be
Page 3 and 4: Bioenergy Sorghum Biomass Sorghum S
Page 5 and 6: Sweet Sorghum • Lower Grain Yield
Page 7 and 8: Juice Composition 160 140 120 Fruct
Page 9: Sweet Sorghum Hybrids • Higher Se
Page 13 and 14: Photoperiod Sensitivity/Insensitivi
Page 15 and 16: Gulf Coast Sugar Production System
Page 17 and 18: 2010 Performance - Planting Date Mo
Page 19 and 20: Projected Planting Plan Month Matur
Page 21 and 22: Biomass Sorghums • Strongly PS -
Page 23 and 24: Development of Biomass Sorghum •
Page 25 and 26: Heterosis in Energy Sorghum Environ
Page 27 and 28: Composition - Summary • Highly va
Page 29 and 30: Summary • Sweet and biomass sorgh

Breeding sorghum for renewables â Dr. Bill Rooney, Texas A&M ...

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Breeding sorghum for renewables â Dr. Bill Rooney, Texas A&M ...