Effect of Mycorrhiza and Root Endophytic Fungi under Flooded and Semi-Flooded Conditions on Grain Yield and Yield Components of Rice

Use potentioal of bifertilizer has been considered worldwide for years. This study evaluated the effects of Piriformospora indica, Sebacina vermifera and Glomus intraradices on grain yield and yield components of rice plants grown as flooded, under sterilized field condition, in condition Ilam province. Seedlings were grown on sterilized paddy soil in two types of nurseries, semi-wet nursery and wet nursery, with or without mycorrhizal fungi inoculation. 30-day old seedlings were transferred to sterilized field with well puddled soil flooded with 3-5 cm of standing water. Three controls included (1) non-fertilizer/non-AMF/non-EF (F0), (2) F0/non- sterilized soil (I), and (3) non-AMF/non-EF/Fertilized as recommended (F). In CF, the plant recorded a significantly higher total biomass and grain yield. Grain yield were not significantly influenced by AMF/EF colonization but shoot biomass, tillering, number seed in panicle and length panicle were significantly influenced by EF colonization. For plants originating from the semi-wet nursery, shoot biomass, grain yield of field-grown plants at harvest were significantly increased. Of the AM/EF used in the present research Sebacina vermifera gave the best performance in all the growth parameters in study.