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Nodule haustoria and microbial features of Cajanus and Pongamia parasitized by sandal (sandal wood) |
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| Authors: | N S Subbarao D Yadav Anantha Padmanabha Nagaveni C S Singh S K Kavimandan |
| Institution: | (1) Department of Agricultural Microbiology, University of Agricultural Sciences, GKVK Campus, 560065 Bangalore, India;(2) Karnataka State Sericulture Development Institute, 560062 Bangalore, India;(3) Institute of Wood Science and Technology, Malleswaram, Bangalore, India;(4) Indian Agricultural Research Institute, 110012 New Delhi, India;(5) Present address: IRNA-CSIC, Apartado 257, E-37071 Salamanca, Spain |
| Abstract: | A field observation that roots of sandal wood tree (Santalum album (L.)) formed direct haustorial connections with root nodules of nodulating legumes was confirmed by pot culture studies on interaction between sandal wood plants and pigeonpea (Cajanus cajan (L.) Millsp.) or Pongamia glabra Vent. plants. The number of nodules and nitrogen content of plants decreased in parasitized nodulating species with corresponding increase in the nitrogen content of sandal plants. The root region of sandal had more of nitrogen-fixing bacteria and VAM fungi than those of pigeonpea. |
| Keywords: | Azospirillum Azotobacter haustoria legumes nodules Rhizobium sandal wood tree VAM fungi |
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