In vivo evaluation of am fungi on dry root rot disease incidence And biometrics of groundnut

Groundnut (Arachis hypogaea L.) is an important oilseed crop in Indian continent. Groundnut is being infected by several fungal, bacterial and viral diseases but dry root rot caused by Macrophomina Phaseolina (Tassi) Goid. is considered as the most devastating disease in all the groundnut growing areas of Cuddalore. Management of M. phaseolina using chemical control is arduous and uneconomical. Hence, the present study was conducted to assess the effect of native antagonists in combination with potential AMF (G. mosseae) for the successful non chemical management of root rot of groundnut under field conditions. The results revealed that among all the treatments tested, the treatment T6 viz., T. viride (Tv7) + P. fluorescens (Pf5) as ST @ 10 ml kg-1 of seed + SA @ 2.5 lit ha-1) plus G. mosseae (SA @ 10 kg ha-1) recorded the least root rot incidence and also enhanced the biometrics of groundnut to the maximum under field conditions in both the field trials tested.