Summary
We tested the response of the wetland rice cultivar Prakash to inoculation with ten vescular-arbucular mycorrhizal (VAM) fungi (three selected from the first screening and seven isolated from local paddy fields) in a pot experiment under flooded conditions in order to select the most efficient mycorrhizal fungi to inoculate the rice nursery. A sandy clay loam soil was used as the substrate, fertilized with the recommended N and K levels (100 kg N ha−1 as ammonium sulphate and 50 kg K ha−1 as muriate of potash) and half the recommended level of P (25 kg ha−1 as super phosphate). The inoculation was made into dry nursery beds and the beds were flooded when the seedlings were about 25 cm high, in 15 days. Twenty-eight-day old seedlings were transferred to pots filled with well puddled soil flooded with 5 cm of standing water. Based on the increase in grain yield and total biomass, Glomus intraradices and Acaulospora sp. were considered efficient and suitable for inoculation into rice nurseries.
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Secilia, J., Bagyaraj, D.J. Selection of efficient vesicular-arbuscular mycorrhizal fungi for wetland rice (Oryza sativa L.). Biol Fertil Soils 13, 108–111 (1992). https://doi.org/10.1007/BF00337344
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DOI: https://doi.org/10.1007/BF00337344