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C. Mohanasundar K. Ramamoorthy K. R. Latha P. Santhy C. N. Chandrasekhar A. Lakshmanan

Abstract

A critical stage of the plant's life cycle is germination and insufficient seedling emergence contributes to the lower productivity of finger millet. Priming improves seedling emergence, reduces stand establishment time, and improves seedling germination. There is a need to develop a new technology like Nanotechnology that can precisely detect and deliver the right amount of nutrients or other inputs to safe crops for the environment and maximising productivity. A field experiment was conducted during Kharif season to evaluate the response of effective farming practice for sole finger millet + greengram intercropping system under rainfed conditions to varied levels of bio-seed priming and foliar application of nanoparticles on crop growth and productivity. The results of the experiment revealed that finger millet (Eleusine coracana) intercropped with greengram (Vigna radiata) (2:1) had a significant level (<0.05) increase in growth and yield parameter of finger millet compared to sole finger millet. Application of Prosopis juliflora leaf extract 1 per cent alone + Foliar ZnO nanoparticle @ 500 ppm showed a significant level (<0.05) increase in growth and yield parameter like grain yield (3238.84 kg ha-1), finger millet equivalent yield (FMEY) (3483.84 kg ha-1) and straw yield (7393.83 kg ha-1) compared to Pogamia pinnata leaf extract 1% alone + Foliar ZnO nanoparticle @ 500 ppm. The present study mainly focussed on cropping system, bio seed priming, and foliar application of nano zinc oxide utilized during rainfed conditions to increase uniform germination, drought resistance and improve crop yield along with nutrient content in seeds.

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Keywords

Finger millet, Intercropping, Nanoparticles, Productivity, Seed priming

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Mohanasundar, C. ., Ramamoorthy , K. ., Latha, K. R. ., Santhy, P. ., Chandrasekhar, C. N. ., & Lakshmanan, A. . (2021). Effect of bio-seed priming and nano zinc oxide foliar application on quality and productivity of finger millet + greengram intercropping system. Journal of Applied and Natural Science, 13(4), 1552–1562. https://doi.org/10.31018/jans.v13i4.3148
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