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Pakistan Journal of Biological Sciences
  Year: 2014 | Volume: 17 | Issue: 4 | Page No.: 586-589
DOI: 10.3923/pjbs.2014.586.589
 
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Changes in Oxalate and Some Mineral Concentrations of Setaria sphacelata Under Cutting and Uncutting Conditions

M.M. Rahman, M. Tateyama, M. Niimi, R.B. Abdullah, W.E. Wan Khadijah and O. Kawamura

Abstract:
Oxalate concentration in forage plants is important, because it results mineral deficiency in ruminants. Data on oxalate concentration in forage plants in conjunction with cutting and uncutting conditions throughout the growing period are limited. This study was aimed to investigate the changes in oxalate and some mineral concentrations of setaria (Setaria sphacelata). The plants were harvested at different stages (vegetative, boot, pre-flowering, flowering and seed) of maturity and at about 50 cm in length of regrowth (second to sixth cuttings) for evaluation of soluble oxalate, insoluble oxalate and some mineral concentrations. Soluble oxalate and total oxalate concentrations, as well as mineral concentrations, decreased with advancing maturity. Both oxalate concentrations (soluble or insoluble) were higher in leaf compared to stem. Soluble oxalate and total oxalate concentrations of regrowth were the highest at third cutting and lowest at sixth cutting. Insoluble oxalate concentration of regrowth was almost similar in all cuttings, except for the sixth cutting. The highest concentrations of potassium, sodium and magnesium of regrowth were observed at third cutting, while the highest concentration of calcium was observed at sixth cutting. A relationship between oxalate and mineral concentrations was partially observed. Results suggest that cutting materials of setaria from June to October could achieve oxalate levels that are toxic to ruminants.
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How to cite this article:

M.M. Rahman, M. Tateyama, M. Niimi, R.B. Abdullah, W.E. Wan Khadijah and O. Kawamura, 2014. Changes in Oxalate and Some Mineral Concentrations of Setaria sphacelata Under Cutting and Uncutting Conditions. Pakistan Journal of Biological Sciences, 17: 586-589.

DOI: 10.3923/pjbs.2014.586.589

URL: https://scialert.net/abstract/?doi=pjbs.2014.586.589

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