Mycorrhizal responsiveness to different phosphorus levels on yield attributes and mycorrhizal colonization of groundnut genotypes
MYCORRHIZAL RESPONSIVENESS TO PHOSPHORUS ON YIELD ATTRIBUTES OF GROUNDNUT
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Authors
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K SUBASH CHANDRA BOSE
Annamalai University, Chidambaram-608 002, Tamil Nadu
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P KAMALA KANNAN
Annamalai University, Chidambaram-608 002, Tamil Nadu
Keywords:
AM fungi, Endotrophic, Genotypes, Inoculated, MycorrhizaeAbstract
This study examined P bioavailability, groundnut response to applied P and compared P management strategy with AM fungal treatment combinations. A field experiment was carried out at North eastern agro climatic zone of Tamil Nadu during 2018 and the experimental soil was pale brown sandy loam in texture (TypicHaplustalf). The treatments consisted of four levels of phosphorus viz., P0, P25, P50 and P75 kg/ha. The availability of P was investigated in the presence (V1) and absence (V0) of AM Fungi. Two genotypes namely VRI-2 (Vridhachalam-2) and G-5 (Gujarat-5) were selected for P growth study in the experiment. The results obtained from the study indicated that, AM inoculated plot was superior in yield potential than uninoculated plots. The treatments showed significant effect on growth and yield of groundnut varieties. The interaction effect of P levels and AM inoculation on growth and yield of groundnut genotypes were significant.
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References
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