Biomanagement of Nematode Fungal Disease Complex in Medicinal Coleus, Coleus forskohlii Using Trichoderma viride

Experiments were conducted twice under glasshouse conditions (26+2°c) for the management of nematode fungal disease complex involving Meloidogyne incognita and Macrophomina phaseolina in Coleus forskohlii. The treatments viz., Pseudomonas fluorescens, super pseudomonas, Pseudomonas + Bacillus consortia, Trichoderma viride and Carbofuran with Bavistin evaluated in this study revealed that soil application of T. viride @ 2.5 kg/ha was most effective in suppressing the disease incidence and enhanced the tuber yield. The effectiveness of commercially available T. viride in talc-formulation (10⁶cfu/g) was tested at three different locations in nematode sick field through on-farm trials for the same. The results of the experiment confirmed the effectiveness of T. viride for the management of nematode fungal disease complex (77.69%) and increased the tuber yield by 68.18 per cent in medicinal Coleus.