Phosphorus nutrition and spikelet production on the main shoot apex in wheat triticum aestivum cultivar sonalika

Mohapatra, P.K.; Patnaik, D.P.; Mishra, B.C.

Indian Journal of Plant Physiology 26(3): 314-318


ISSN/ISBN: 0019-5502
Accession: 006106883

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Superphosphate application increased the duration of spikelet production on the main shoot apex of wheat cv. Sonalika resulting in increased spikelet number in comparison to the control where no P was applied. Total P concentration of the inflorescence remained higher in the P supplied plants upto the time of terminal spikelet formation. Superphosphate treatment also increased the number of tillers and the total P concentration of the main shoot and tillers. P supplementation could have a direct effect on spikelet and tiller production, or the effect could have been mediated through an increase in the net assimilation rate of the plant.