Summary
The mechanism of differential susceptibility of two rice (Oryza sativa L.) varieties to Zn deficiency was explored in 20 field trials. IR-6 rice suffered with Zn deficiency much more severely than Basmati-370. Higher Fe absorption seems to be mainly responsible. It achieved this effect by strongly inhibiting Zn absorption and by markedly increasing internal Zn requirement as IR-6 plants.
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No. IV in the series Micronutrient availability to cereals from calcareous soils.
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Chaudhry, F.M., Alam, S.M., Rashid, A. et al. Mechanism of differential susceptibility of two rice varieties to zinc deficiency. Plant Soil 46, 637–642 (1977). https://doi.org/10.1007/BF00015923
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DOI: https://doi.org/10.1007/BF00015923