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This article in AJ

  1. Vol. 64 No. 3, p. 306-308
     
    Received: July 12, 1971
    Published: May, 1972


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doi:10.2134/agronj1972.00021962006400030014x

Effects of Stalk Chopping on Leaf Removal and Juice Quality of Rio Sweet Sorghum1

  1. Dempsey M. Broadhead2

Abstract

Abstract

Mechanized stripping is essential for survival of the sweet sorghum sirup industry and continued development of the sweet sorghum sugar industry.

‘Rio’ sweet sorghum [Sorghum bicolor (L.) Moench.] was planted April 1 and 15, May 1 and 15, and June 1 and 15 and harvested in flower, milk, dough, and ripe stages and at 1, 2, 3, and 4 weeks after ripe stage of maturity. Stripped stalk samples from each planting date and harvesting stage were chopped into 10-, 20-, and 40-cm sections on a bench saw and compared with whole stalks in storage for 0, 24, and 48 hours. Unstripped stalks were chopped into 10-, 20-, and 40-cm sections to evaluate chopping as a technique for separating leaves and stalks. Chopping the stalks into short sections was an effective method of separating leaves from the stalks. Under the conditions of these experiments no important losses were indicated in juice quality, as measured by Brix, sucrose, and purity of stalk sections when compared to whole stalks of sweet sorghum in storage for 0, 24, and 48 hours.

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