POT EXPERIMENT: STUDIES ON EFFECT OF BIO-FERTILIZERS ON BUCKWHEAT (FAGOPYRUM ESCULENTUM MOENCH)Sakhubai Tummaramatti, Laxminarayana Hegde and N. Vijaykumar and Jagadeesh Chandra H.
Buckwheat is an important medicinal plant used in gluten free-diet for celiac diseased patients and in alleviation of some specific diseases. The use of microorganisms as sources of nutrient is helpful in minimising the environmental pollution and is an important approach for Integrated nutrient management. The experiments were carried out at K.R.C.College of Horticulture, Arabhavi during 2013-14 to study the effect of bio-fertilisers on growth, yield and quality of buckwheat (Fagopyrum esculentum Moench). The microorganisms Azotobacter chroococcum, Azospirillum brasilense, Vescicular Arbuscular Mycorrhiza (VAM), Trichoderma harzianum, Pseudomonas striata and combination of these were tried. The study revealed that there was significant difference among all the treatments. At 45 days after sowing, significantly superior plant height (100.33 cm), number of branches (10.67), number of leaves (71), leaf length (8.57 cm) and leaf breadth (9.01 cm) were observed in the treatment T11 (RDF - 50:40:40 kg NPK/ha, FYM-20 q/ha), however T10 (Azotobacter chroococcum + Azospirillum brasilense + Vescicular Arbuscular Mycorrhiza + Pseudomonas striata + Trichoderma harzianum) have shown good result next to RDF. Maximum bacterial population (139 x 106), fungi (111.00 x 103), actinomycetes (81.33 x 104) were obtained in the treatment T10. Higher population of Azotobacter chroococcum (184.33 x 103) was found in the treatment T1 (Azotobacter chroococcum -375 g/ ha, Seed treatment). Higher number of Azospirillum brassilense (214.66 x 103) was observed in T2 (Azospirillum brassilense -375 g/ ha, seed treatment). Maximum population of Pseudomonas striata (204.00 x 103) was obtained in the treatment T5 (Pseudomonas striata-375 g/ha, seed treatment), Trichoderma harzianum (43.33 x 103) was found in T4 (Trichoderma harzianum-1.5% soil drench). Higher root colonization (95.33%) and maximum number of chlamydospores (1308.66) was observed in T3 (VAM-25kg/ha, soil application). As bio-fertilizers is eco-friendly and help in maintaining the harmony with the nature, at the same time help to obtain higher yields with higher productivity. Hence buckwheat can be grown under organic conditions with combined application of bio-fertilisers.
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