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Growth and productivity of wheat affected by phosphorus-solubilizing fungi and phosphorus levels

Author

Listed:
  • H. Ram

    (Punjab Agricultural University Ludhiana, Punjab, India)

  • S.S. Malik

    (Punjab Agricultural University Ludhiana, Punjab, India)

  • S.S. Dhaliwal

    (Punjab Agricultural University Ludhiana, Punjab, India)

  • B. Kumar

    (Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India)

  • Y. Singh

    (Punjab Agricultural University Ludhiana, Punjab, India)

Abstract

Phosphorus (P) availability limits crop growth in most of cultivable soils in north-west India. The beneficial rhizosphere microorganisms such as phosphate-solubilising fungi (PSF) were found to increase P availability in soil and improve crop yields. In view of this, field experiments were conducted during 2009-2011 to evaluate the effect of seed inoculation with PSF (Penicillium bilaii) at different rates of fertilizer P on P content in leaves and grain yield of irrigated wheat in India. The soil was low in Olsen P at the Bathinda site and medium at the Ludhiana site. In no-P treatment, PSF significantly increased grain yield by 12.6% over non-inoculated control. The effect of PSF on grain yield was generally more pronounced in a soil with low Olsen-P compared to medium Olsen-P level. Inoculation of PSF along with 50% P fertilizer increased wheat yield equivalent to 100% P with no PSF. Spike density was significantly higher in PSF + 50% P than all the other treatments. There is need to study a long-term effect of Penicillium bilaii on P-fertilizer saving in wheat on soils varying in P availability, pH and P fixation capacity for different wheat-based cropping systems.

Suggested Citation

  • H. Ram & S.S. Malik & S.S. Dhaliwal & B. Kumar & Y. Singh, 2015. "Growth and productivity of wheat affected by phosphorus-solubilizing fungi and phosphorus levels," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(3), pages 122-126.
    • Handle: RePEc:caa:jnlpse:v:61:y:2015:i:3:id:982-2014-pse
    DOI: 10.17221/982/2014-PSE
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    Cited by:

    1. Magdalena JASTRZĘBSKA & Marta KOSTRZEWSKA & Kinga TREDER & Przemysław MAKOWSKI & Agnieszka SAEID & Wiesław JASTRZĘBSKI & Adam OKORSKI, 2018. "Fertiliser from sewage sludge ash instead of conventional phosphorus fertilisers?," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(10), pages 504-511.

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