Tag Archives: plant population

Sorghum Planting Rates

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Across the three counties in the Mid-Coast IPM Program, grain sorghum planting rates range from 40,000 to 120,000 seed per acre.  The ideal planting rate varies due to soils, rainfall, and row spacing.  A good starting place for planting sorghum is 65,000 seed per acre.   Sandy soils and lower rainfall averages usually need lower planting rates and heavier, clay soils and higher rainfall typically have higher seeding rates to obtain maximum yields. Field research has been conducted in fields in Calhoun, Refugio and Victoria Counties revealing different results. … Read More →

Pest Management News – March 23, 2015

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Grain Sorghum and Sugarcane Aphids One of the insect pests we are expecting to face this year in sorghum fields is the Sugarcane Aphid. A considerable amount of research was conducted on this pest last year to help in management decisions. Early season, insecticide seed treatments were shown to have effective control beyond 28 days after planting. Control with foliar insecticides will be possible with Sivanto and Transform. Both of these insecticides were found to be effective at controlling sugarcane aphids when applied to populations below 350 per… Read More →