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Vol. 8, Issue 7 (2019)

Effect of Bacillus pumilus, Bacillus subtilis and Pseudomonas fluorescens on plant growth parameters of rice infected by root-knot nematode (Meloidogyne graminicola)

Rudra Pratap Subudhi, Niranjan Das and Satyaprakash Barik
Rice (Oryza sativa L.) is the most important food crop of the developing world and the staple food of more than half of the world’s population. Its production and productivity is influenced by so many biotic and abiotic factors. Plant parasitic nematodes are considered as one of the major causes among them. Root-knot nematode, Meloidogyne graminicola is the predominant species causing substantial yield loss mostly in upland and medium land situation. Management of root-knot nematode (Meloidogyne graminicola) through use of bio-control agents is a recent trend. A pot culture experiment was thus carried out in net house condition in the Department of Nematology, College of Agriculture, O.U.A.T, Bhubaneswar, during 2018-19 to assess the effect of the bacteria bio-agents viz. Bacillus pumilus, Bacillus subtilis, Pseudomonas fluorescens on plant growth. The experiment revealed that all the treatments were superior over untreated check with respect to growth parameters of rice plant. Soil application of Carbofuran @ 60mg/pot with 1 kg soil at the time of sowing exhibited maximum increase in growth parameters of rice plant over untreated check followed by soil application of Pseudomonas fluorescens @ 20mg/pot with 1 kg soil registering increased shoot length, root length, fresh shoot weight, dry shoot weight, fresh root weight and dry root weight by 16.08%, 32.72%, 50.26%, 59.49%, 48.00% and 44.28% respectively.
Pages: 412-414  |  274 Views  90 Downloads

The Pharma Innovation Journal
How to cite this article:
Rudra Pratap Subudhi, Niranjan Das, Satyaprakash Barik. Effect of <em>Bacillus pumilus, Bacillus subtilis</em> and <em>Pseudomonas fluorescens </em>on plant growth parameters of rice infected by root-knot nematode (<em>Meloidogyne graminicola</em>). Pharma Innovation 2019;8(7):412-414.

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