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Abstract

Effect of bio-fertilizers Azolla and Azospirillum on root-knot nematode, Meloidogyne incognita and plant growth of okra.

Abstract

Okra plants treated with dry Azolla pinnata at 3% w/w in pot experiments, exhibited enhanced growth of shoot length, fresh and dry weight of shoot and root, and pod yield. Maximum reduction in number of adult M. incognita females, egg masses, eggs per egg mass and soil nematode population was recorded in plants treated with the same. Azospirillum brasilense at 1.5% w/w was also effective to a lesser extent.