Studies on some nutritional quality parameters of organically or conventionally grown wheat

Abstract

Wheat grain samples were drawn from a field experiment conducted for 2 years at the Indian Agricultural Research Institute, New Delhi, India to study protein, hardness score index, sedimentation value, Zn and Fe concentration in organically and conventionally grown wheat. An aestivum and a durum cultivar were included in the study. Protein concentration in both the cultivars was more in conventionally grown than in organically grown wheat. Grain hardness was not influenced by nutrient management but sedimentation value was higher when wheat was conventionally grown. On the other hand, Zn concentration in both the cultivars was more in organically grown (with farmyard manure) than in conventionally grown wheat. Application of Azotobacter reduced Zn concentration in both the cultivars. The two cultivars, however, differed in respect of Fe concentration in wheat grain. Triticum aestivum cultivar ‘HD 2733’ had significantly more Fe in wheat grain when organically grown compared to that when grown conventionally, while the reverse was true in the case of Triticum durum cultivar ‘PDW 215’. Azotobacter inoculation reduced Fe concentration in wheat in both the cultivars; reduction was more in Azotobacter culture W5.

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Correspondence to Y. S. Shivay.

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Communicated by A. Pécsváradi

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Shivay, Y.S., Prasad, R. & Rahal, A. Studies on some nutritional quality parameters of organically or conventionally grown wheat. CEREAL RESEARCH COMMUNICATIONS 38, 345–352 (2010). https://doi.org/10.1556/CRC.38.2010.3.5

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Keywords

  • organic wheat
  • protein
  • hardness
  • sedimentation
  • zinc
  • iron
  • Azotobacter
  • nitrogen fertilization