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Host range and cross inoculation studies on Macrophomina phaseolina from sunflower

  • Author:M.SURIACHANDRASELVAN, K.E.A. AIYYANATHAN AND R.VIMALA

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:92, Issue:apr-jun

    DOI: https://doi.org/10.29321/MAJ.10.A00040
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Abstract

                                M. Phaseolina isolated from sunflower infected all the 22 plants tested but failed to infect finger millet, pearl millet, haryali, nutgrass, mookkuthipoondu and saranai. M. phaseolina isolates from sunflower, blackgram, greengram, cowpea, sesame and cotton were cross pathogenic. Sunflower and blackgram isolates were the most aggressive while those of sesame and cotton were the least virulent. There was a positive correlation between M. phaseolina infection and the crop plants belonging to botanical families Fabaceae, Pedaliaceae, Asteraceae and Malvaceae.

Key words : Macrophomina phaseolina, Host range, Cross infection

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ISSN : 0024-9602
eISSN : 2582-5321

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