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

Sweet Sorghum Cultivars/Hybrids
• Many sweet sorghums have some PS
– Photoperiod Insensitive (PI)
• 85-105 days regardless of planting date
– Mod. Photoperiod Sensitive (MPS)
• 85 (short days) - 140 (long days)
– Photoperiod Sensitive (VPS)
• 85 (short days) - 160 (long days)
• Later maturity equals greater yields
• In regions producing two crops a year,
yield potential will depend on season.