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Cobalt reduces nitrate inhibition of nodulation in mungbean (Vigna radiata)

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Abstract

 A cobalt-mediated decrease in ethylene production reduced the inhibition of nodulation by nitrate in Vigna radiata (mungbean). Nitrate increased the ethylene production in 5-day-old seedlings, while it caused a reduction in the nodulation status (nodule number and nodule weight) and nodule efficiency (acetylene reduction activity) in mungbean plants. The application of cobalt chloride inhibited nitrate-affected ethylene production and also decreased the inhibitory effect of nitrate on nodulation. The effect of cobalt was most marked on nodule number.

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Authors and Affiliations

  1. Department of Biochemistry, CCS Haryana Agricultural University, Hisar – 125 004, India e-mail: hsn@hau.hry.nic.in Tel.: +91-1662-31171 ext. 4242 Fax: +91-1662-33884/34952, , , , , , IN

    Veena Jain & H. S. Nainawatee

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  1. Veena Jain
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  2. H. S. Nainawatee
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Received: 6 August 1999

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Jain, V., Nainawatee, H. Cobalt reduces nitrate inhibition of nodulation in mungbean (Vigna radiata). Biol Fertil Soils 31, 522–524 (2000). https://doi.org/10.1007/s003740000203

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  • DOI: https://doi.org/10.1007/s003740000203

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