Effect of Bio-Agent as Seed Treatment to Check the Initial Infection of Reniform Nematode, Rotylenchulus reniformis on Summer Mungbean (Vigna radiata L.)
Anjali Nagori *
Department of Nematology, Rajasthan College of Agriculture, Udaipur (MPUAT Udaipur- 313001, Rajasthan), India.
B. L. Baheti
Department of Nematology, Rajasthan College of Agriculture, Udaipur (MPUAT Udaipur- 313001, Rajasthan), India.
Basant Deshwal
ICAR-Indian Agricultural Research Institute, New Delhi- 110012, India.
Raju Dhayal
Department of Nematology, Rajasthan College of Agriculture, Udaipur (MPUAT Udaipur- 313001, Rajasthan), India.
Dheeraj Kumar
Department of Animal Production, MPUAT, Udaipur- 313001, India.
Sunita
Department of Horticulture, Institute of Agricultural Science, BHU Varanasi, Uttar Pradesh- 221005, India.
Manish Bishnoi
Department of Entomology, RVSKVV, Gwalior, M.P.- 474002, India.
*Author to whom correspondence should be addressed.
Abstract
Reniform nematode, Rotylenchulus reniformis received greater attention due to its polyphagous nature, cosmopolitan distribution and adaptability to different agro-ecological condition. It causes great losses to pulses including Mungbean (Singh, 2015). Therefore, an experiment was carried out to test the efficacy of botanicals to manage the reniform nematode infecting summer mungbean. Bioagents i.e. Metarhizium anisopliae and Beauveria bassiana were used at 5%, 10% and 15% as seed treatment. Trichoderma viride at 10% was kept as standard check. An untreated check was also maintained to compare the experimental findings. The experiment was conducted in completely randomized design with five replications. Results revealed that Metarhizium anisopliae at 15 % w/w as seed treatment significantly improve the plant growth parameters (44.81–77.21%) of summer mungbean followed by Beauveria bassiana at 15% (38.44-70.88%) and Metarhizium anisopliae at 10% (34.13–62.50%) as compared to untreated check. These treatments reduced the infestation of reniform nematode, R. reniformis on mungbean to the tune of 36.04-47.43%.
Keywords: Rotylenchulus reniformis, summer mungbean, Metarhizium anisopliae, Beauveria bassiana, seed treatment