Combined effect of Bacillus species and fertilizers on growth and root-knot nematode infection in okra
2012
Abbasi, M.W. (Karachi Univ. (Pakistan). Dept. of Botany) | Zaki, M.J. (Karachi Univ. (Pakistan). Dept. of Botany)
In the present investigation three Bacillus species viz. Bacillus coagulans (BA), Bacillus licheniformis (BLB2) and Bacillus cereus group isolate (BS) alone and in combination with three different fertilizers namely Urea, di-ammonium phosphate (DAP) and potash (P) were applied in soil. J2 of root-knot nematodes released around roots of okra (Abelmoschus esculentus (L.) Moench. cv. Arka anam) after 10 days of seedling emergence. Bacillus species in combination with inorganic fertilizers significantly increased plant growth. Especially, B. coagulans (BA) in combination with all fertilizers significantly (P less than 0.001) enhanced plant growth. B. cereus group isolate (BS) with Potash (P) and Urea most significantly reduced root-knot nematodes infection in okra.
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