NDLI: Effect of Different Crushing Treatments on Sweet Sorghum Juice Extraction and Sugar Quality Traits in Different Seasons

Content Provider	Springer Nature Link
Author	Rao, S. S. Patil, J. V. Reddy, D. Chandrasekara Kumar, B. S. Vijay Rao, P. Srinivasa Gadakh, S. R.
Copyright Year	2013
Abstract	Sweet sorghum (Sorghum bicolor (L.) Moench) is an important biofuel crop that produces both food (grain) and biofuel (from stalk juice). The objective of this investigation was to assess the effect of different crushing treatments on juice extraction and sugar quality traits of sweet sorghum cultivars grown in different seasons. Three sweet sorghum cultivars along with three stalk crushing treatments namely (i) stalk only crushed (leaf, sheath and panicle removed), (ii) stalk plus sheath crushed (leaf and panicle removed), and (iii) whole plant crushed (but only panicle removed) were assessed in split–split-plot design during 2009 rainy (Kharif) and 2009 post-rainy (Rabi) seasons. The percent juice extraction and juice sugar quality traits were significant (P ≤ 0.05) in different crop seasons, but were non-significant among cultivars and crushing treatments. Sweet sorghum cultivars grown during rainy season had significantly higher total soluble sugars (TSS), sucrose and purity per cent than in post-rainy season. Experimental variety SPSSV 30 showed significant superiority by 25 % in TSS and sucrose content than check namely CSH 22SS. Effect of crushing treatments on juice extraction and sugar quality traits were non-significant except juice brix. It is recommended that the complete sweet sorghum stalks after removing the panicle can be crushed without the need for removing leaf and sheath both in large research trial samples, and bulk harvested stalks at biofuel processing facility. This will reduce processing time at the sugar mill and helps avoiding rapid deterioration of stalk sugars in the ambient field condition, as removal of leaf and sheath in sweet sorghum is highly cumbersome unlike sugarcane, where it is relatively easy.
Starting Page	311
Ending Page	315
Page Count	5
File Format	PDF
ISSN	09721525
Journal	Sugar Tech
Volume Number	15
Issue Number	3
e-ISSN	09740740
Language	English
Publisher	Springer India
Publisher Date	2013-06-23
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sweet sorghum Stalk crushing treatments Juice quality Sugar mill Total soluble sugars Agriculture
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science

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