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This article in AJ

  1. Vol. 61 No. 5, p. 811-812
    Received: Mar 28, 1969

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Sugar Production From Sweet Sorghum as Affected by Planting Date, After-Ripe Harvesting, and Storage1

  1. Dempsey M. Broadhead2



‘Rio’ sweet sorghum (Sorghum bicolor (L.) Moench.) was available for sugar processing at Meridian, Miss., from the latter part of August until freezing temperature occurred, usually in November. Stalks were harvested at weekly intervals after the seeds were ripe from plantings made on April 15, May 15, and June 15. Yield of stalks and sugar were similar for the April 15 and May 15 plantings, but the yields of stalks and sugar were significantly lower for the June 15 planting. Harvesting after the seeds were ripe had no affect on yield of stalks, extraction, or purity. Brix and sucrose decreased significantly when harvested 3 and 4 weeks after ripe, respectively. Stored stalks from each planting and harvesting period showed no significant sucrose inversion after 24 hr and no serious inversion after 48 hr in outdoor storage.

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