Application of vesicular arbuscular mycorrhiza (VAM) and effective microorganism (EM) against root knot
2017
Duza, G.M. | Datud, A.B.
The study was conducted to determine the effect of VAM and EM against root knot nematode in tomato specifically it aimed to: 1) evaluate the effects of VAM and EM against root knot nematode in tomato; and 2) determine the effects of VAM and EM on plant height and yield performance of tomato. The Experiment was laid out in RCBD with eight treatments, replicated four times with nine plants per treatment. The treatments evaluated were as follows: (T1) Complete fertilizer (14-14-14); (T2) Complete fertilizer (14-14-14) + Urea (45-0-0); (T3) VAM at 540 g/plot (T4) EM at 1,350 g/plot; (T5) VAM 540 g/plot + EM at 1.30 g/plot; (T6) VAM at 540 g/plot + 14-14-14 at 72.39 g/plot; (T7) EM at 1,350 g/plot + 14-14-14 at 72.39 g/plot and (T8) VAM at 540 g/plot + EM at 72.3 g/plot + 14-14-14 at 72.3 g/plot. Effectiveness of such treatment was based on root gall counts, number of adult nematodes, weight of the roots with root galls, plant height, and yield performance of the tomato. Compared to other treatments, combination of VAM & EM & 14-14-14 (T8) had the lowest number of nematodes, lowest weight of root galls with nematodes and gained the lowest weight of fresh roots with galls. This combination effectively controlled nematodes population and increased yield of tomato (var. Marimar) by 10% under field condition compared to all treatments.
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