Konde, B.K.Kiran D. Raverkar2018-09-052018-09-051985http://krishikosh.egranth.ac.in/handle/1/5810072014Laboratory studies to see the effect of inoculation of Rhizobium strain NC 92, Azospirillum lipoferum and b.' krasilense (alone and in combination) on seed germination In groundnut caltivars viz., Robut 33-1 and JL 24, in general, revealed that seed germination was increased due to the inoculation ranging from 0.67 to 2.00 per cent across the cultivars over the uninoculateo control.Field studies regarding the effect of Fhizobium (Strain NC 92) and A. lipof erurn (alone and m combination) inoculation on r.odulatjon, nitrogen fixation, yield and oil content in groundnut ciiltivars via., Robut 33-1 and JL 24, in general, revealed that the inoculation of cultures produced greater number and dry weight of nodules, plant dry matter weight, nitrogen content in plants and kernels, N uptake and pod yield over the uninoculated plots showing the added advantage of inoculation. However, it was interesting to note that Robut 33-1 and 0L 24 responded well to NC 92 strain inoculation as compared to the inoculation with A. lipoferum alone or with combined inoculation. The pod yield due to the inoculation increased from 3 to 26 per cent in Robut 33-1, while in JL 24 it ranged from 2 -co 27 per cent over their counterpart uninocuiated control. Efforts w?re also made to type the nodules formed by NC 92 strain by using ELI5A (Enzyme-Linked Immuno Sorbent Assay) technique and the results revealed that maximum NC 92 nodules i.e. o0 per cent was observed in Robut 33-1 due to NC 92 strain while it was 57 per cent in JL 24 due to inoculation with NC 92 strain plus A. lipo_ferurn. A strong correlation between nodule dry weight with N content in plants and kernels, pod \ ield and N uptake could also be established.Frelo scudies to sea trie residual effect of inoculated ucoundnut cultiv iry on the yield of succeeding wheat, crop revealed the edded advantage oi the inoculated treatment over tnc uninoculated control plots as evidenced by increased grain and straw yield, and total U uptake in wneat plants. Plots of inoculated qroundnut cultivars recorded up co 29 per cent additional grain yield and 15 per cent <?tnw yield in Robut 33-1, while it was 27 and 16 per cent in JL 2A, respectively.ennullThesis