51. INFLUENCE OF MODULIN (BIOSTIMULANT) ON GROWTH, YIELD AND GENE EXPRESSION OF CALMODULIN IN RICE UNDER LOWERED NPK FERTILIZERS.
- Author
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Baradhan, G., Kumar, S. M. Suresh, Murugan, S., Narayanan, G. Sathiya, Kumar, S. Ramesh, Latha, K., and Murugesan, N. V.
- Subjects
RICE yields ,PLANT growth ,GENE expression in plants ,CALMODULIN ,NITROGEN fertilizers - Abstract
Rice (Oryza sativa), the prince among cereals is the premier food crop not only in India but world too (Chhabra, 2002). Long term fertilizer experiments revealed that neither chemical fertilizer nor organics alone can achieve sustainability in crop production. Modulin is a proprietary product of T. Stanes and Company Ltd. a foliar bio-stimulant for plants, with organic mineral activators, and presented in a soluble, easily absorbable and available form, is obtained through a fermentation process, from marine calcites. It is a suitable nutrient management system that is economic and eco-friendly for sustained productivity. The present field experiment was carried out at the Therkumangudi, Cuddalore district, to study the influence of Modulin as a foliar treatment on growth, yield and gene expression of calmodulin in rice along with lower NPK levels. The treatments comprised of T
1 -Control (100% recommended dose of NPK (RDF) without Modulin); T2 - 75% RDF + foliar applications of Modulin @ 1kg ha-1 at vegetative stage, panicle initiation and 5% heads/spikes formation stages, T3 - 75% RDF + foliar applications of Modulin @ 2 kg ha-1 at vegetative stage, panicle initiation and 5% heads/ spikes formation stages, T4 - 100% RDF + foliar applications of Modulin @ 1kg ha-1 at vegetative stage, panicle initiation and 5% heads/ spikes formation stages and T5- 100% RDF + foliar applications of Modulin @ 2 kg ha-1 at vegetative stage, panicle initiation and, 5% heads/spikes formation stages. The study revealed that the 100 per cent RDF + foliar applications of Modulin @ 2 kg ha- 1 at vegetative stage, panicle initiation and 5% heads/ spikes formation stages (T5) significantly registered the highest values in growth and yield attributes. This treatment (T5) recorded highest BCR of Rs.3.25 followed by other treatments. In addition, Modulin increased the genetic expression of calmodulin genes, which regulates the plant growth and development. [ABSTRACT FROM AUTHOR]- Published
- 2019