Adaptive Capacity of two Varieties of Groundnut (Arachis hypogaea L.) in Crude Oil Polluted Soil

Arachis hypogaea L. (Groundnut) production in Niger Delta, Nigeria is limited as the crop has not been well adapted to this region. This research was carried out determine adaptive capability of groundnut crude oil polluted soil. Seeds two varieties (Java and Bold Type) were planted soil with 0.8% 0% oil. Growth parameters measured every 10 days up 50 after planting. Nodules isolated from roots planting cultured YEMA solid medium further subcultured PDA obtain pure cultures. Result showed that they Java variety having optimum agronomic performance, root architecture rhizobium population. formed day shows highest number nodules formation occurred on for (32 nodules) while bold had lowest (5 nodules). Four fungal organisms identified pure-cultures penicillium chrysogenum , Aspergillus niger Mucor circinelloides Botrydiplodia theobromae . suggested ability grow could be due their fix nitrogen Further adaptation studies should covering other part Delta Keywords: Groundnut, Nodule, Adaptive Capacity DOI: 10.7176/JBAH/13-4-06 Publication date: March 31 st 2023