A field experiment was conducted at the instructional farm of Krishi Vigyan Kendra Jajpur, Odisha during 2016 to study the effect of integrated nutrient management on disease and pest incidence and yield of okra (Abelmoschus esculentus (L.) Moench) variety Pusa A-4. From the experiment it was observed that treatment T7 [ RDF(75%)+ (25%) neem oil cake] has significant effect on disease incidence and pest population by reducing incidence of YVMV from 32.42% to 19.56%, jassid population from 11.57 to 6.53 per three leaves,mite population from 11.98 to 8.11 per three leaves, white fly population from 13.61 to 6.64 per three leaves and fruit borer from 17.94 % to 7.94 %. Maximum number of fruits per plant 15.02 was recorded in T7. Fruit yield per hectare varied significantly and was maximum with T7 (10.49 ton) and was minimum with T11 (7.30 ton). T7 (10.49 ton) and T5 (9.85 ton) and T10 (9.65 ton) were at par with each other. Combined use of 75 % RDF as inorganic fertilizer with 25 % RDF through neem oil cake (T7) recorded highest gross income of Rs.1,45,770/-, net income Rs.85,458 /-per hectare and maximum benefit cost ratio 2.42.
An experiment was conducted to evaluate the growth promotion in isabgol (Plantago ovata Forsk.) with native rhizobacteria strains (ISB-2, ISB-5, ISB-8, ISB-9, ISB-10, ISB-125, ISB-15 and ISB-28) isolated from the rhizospheric soils collected from western semi-arid region of India. These isolates were tested for their indole acetic acid production, insoluble phosphate solubilization and ability to promote germination of isabgol seeds under controlled conditions. Three rhizobacterial isolates (IBS-5, IBS-9 and IBS-28) were found promising towards enhancing the growth and yield of isabgol plants. The isolate ISB-5 was identified as Azotobacter vinelandii, ISB-9 as Pseudomonas stutzeri, and ISB-28 as Bacillus aryabhattai based upon their biochemical and molecular characterization. The highest seedling vigour index was recorded for B. aryabhattai (316.52±3.02) followed by A. vinelandii (310.22±7.56) and the lowest seedling vigour was recorded with ISB-10 which was found to be at par with control. The maximum shoot dry weight at harvest was recorded with B. aryabhattai (2.33g) being at par with P. stutzeri and the minimum shoot dry weight was for control. The highest seed yield per plant (0.72 g) was observed with B. aryabhattai followed by A. vinelandii(0.61 g).
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