Nematicidal Effect of Some Botanical Powders and Poultry Manure Against the Root-Knot Nematode Meloidogyne incognita (Kofoid and White) Chitwood infecting Tomato Plants
Journal Title: Egyptian Journal of Agronematology - Year 2014, Vol 13, Issue 1
Abstract
A greenhouse experiment was conducted to evaluate the efficacy of soil amendment with six botanical leaves powders and poultry manure in controlling Meloidogyne incognita infecting tomato and their potency in growth improvement. The result of the study showed that all the treatments significantly (p<0.05) reduced root galling, second-stage juveniles in soil, developmental stages and egg masses and reductions differed according to the amended materials. Although all treatments were effective in reducing root galls and nematode population, soil treated with leaves powder of Peganum harmala gave the highest reduction in nematode criteria followed by Datura stramonium and Nicotiana glauca, However, Azadirachta indica had the least reduction compared to the untreated check. The efficacy increased with the increase in dosage rates except with poultry manure at the highest dosage. Most soil amendments at different dosage rates significantly improved the shoot and root weights. Peganum harmala achieved the highest increase, while Azadirachta indica gave the lowest one.
Authors and Affiliations
M. Saeed, J. Shawkat
Keywords
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