Forage First Guide      I      Summer Select Guide

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Summer Select 79 B Grain Sorghum

Summer Select 79 B grain sorghum provides the producer a very early option with a great tillering capacity, which allows the plant to compensate for environmental conditions. This hybrid produces a bronze/red seed color, large round grain with high test weight. Plant 79 B grain sorghum within regions of short-season conditions as well as situations to escape drought in longer season conditions. 79 B is also known to be tolerant to sugarcane aphid compared to many other hybrids within the market.



1 = Poor; 5 = Excellent

Standability: 5
Head Exertion: 3
Sugarcane Aphid Tolerance: 4
Pre-Flower Stress Tolerance: 4
Anthracnose Tolerance: 2
Head Smut Tolerance: 3
Fusarium Tolerance: 4
Maize Dwarf Mosaic Tolerance: 4
Downy Mildew Tolerance: 3

Panicle Type: Open
Grain Color: Bronze/Red



Planting Time:
Emergence (days): 10

Seeding Information:
Mid-Bloom (days): 48-51
Grain Maturity (days): 85-90
Seeds/lb.: 13,000
Soil Temperature: 60 F
Depth (in.): 1-2
Dryland Seeding (pop./acre): 25-30,000
Irrigation/Hi-Rain Seeding (pop./acre): 70-80,000

Do not plant in soil with pH greater than 7.5 as iron chlorosis can be a problem



Nitrogen: Rule of thumb: 1 to 1 lbs. N per bushel of grain; highest use efficiency is obtained with split applications (portion of N preplant & again 25 days after emergence)
Phosphorus & Potassium: Soil testing is critical to ensure proper amounts are available in the soil. To not limit yield, approx. 80 lbs./acre of phosphate should be available. The amount of potassium taken up by grain sorghum is similar to N utilization.

pH: Below 5.6, pH can be limiting (so keep levels above 6.0)



Scale 1-9, where 9 = best or most pronounced

SC Aphid Tolerance
Head Exertion
Pre-Flower Stress Tolerance
Anthracnose Tolerance
Head Smut Tolerance
Fusarium Tolerance
Maize Dwarf Mosiac Tolerance
Downy Mildew Tolerance
  • Widely adapted – can go anywhere!
  • Ultra early hybrid
  • Exceptional drought tolerance
  • Better option than most in areas of sugarcane aphid pressure