PJB-1996-34
EEFECT OF SARGASSUM SEAWEED AND MICROBIAL ANTAGONISTS IN THE CONTROL OF ROOT ROT DISEASE OF SUNFLOWER
J. ARA, S. EHTESHAMUL - HAQUE*, V. SULTANA, R. QASIM AND A. GHAFFAR
Abstract
Seaweed viz., Sargassum lenerrumum, S.swartzii and S. wighlii bused as soil amendment alone or with Pseudomonas aeruginosa, Bradyrhizobium japonicum and Paecilomyces Iilacinus significantly (p <0.05) reduced infection of Macrophomina phaseolina and Fusarium solani on sunflower. Seaweeds were found less effective or increased Rhizoclonia solani infection. Combined use of seaweed with P.lilacinus and B.japoni cum showed better results against M.phaseolina and F.solani than their separate use. Greater plant height was produced where P.aeruginosa was used with S.swarlzii. Use of P.aeruginosa with S.lenerrumum and P. lilacinus with S.swartzii produced greater fresh weight of shoot than other treatments.
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