Dynamic role of organic matter and bioagent for the management of Meloidogyne incognita–Rhizoctonia solani disease complex on tomato in relation to some growth attributes
2015
Rose Rizvi | Rizwan Ali Ansari | Anam Iqbal | Safiuddin Ansari | Aisha Sumbul | Irshad Mahmood | Sartaj A. Tiyagi
A disease complex involving Meloidogyne incognita–Rhizoctonia solani was studied on tomato (Lycopersicon esculentum var. Pusa Ruby) under glasshouse conditions to determine their concomitant effect on plant growth variables. Biofertilizers Nerium indicum and Trichoderma harzianum were tested against both pathogens individually as well as concomitantly and found its role in minimizing disease severity. Inoculation of M. incognita and R. solani resulted a significant reduction in plant growth variables over control. The plant growth variables reduction was more pronounced by M. incognita as compared to R. solani. However, T. harzianum exhibited their potential against the disease complex but was less effective than N. indicum. A manifold improvement in plant growth parameters was observed when plants were treated with biofertilizers, N. indicum and T. harzianum simultaneously. The present work has revealed that the combined application of N. indicum and T. harzianum may be a better option for the management of disease complex M. incognita–R. solani on tomato. Application of these biofertilizers after field trials may be suitable module of organic farming.
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