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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Issue 3 (2019)

Beneficial effects of silicon fertilizers on disease and Insect-Pest management in rice genotypes (Oryza sativa. L)

Author(s):

Rakesh Sil Sarma, Deepti Shankhdhar and Shailesh Chandra Shankhdhar

Abstract:
A field experiment was conducted in kharif season of 2015 to investigate the influence of silicon fertilizers on different rice genotypes namely PA-6129, PA-6201, PA-6444, PHB-71, US-312, and BPT-5204. Soil application of silicon solubilizer was given at the time of maximum tillering, panicle initiation and 50% flowering stage. Various parameter like leaves dry matter content, leaves Silicon content, Pest infestation (Yellow stem borer- dead heart and white ear head), Disease infestation (Rice blast, False smut) was observed. After silicon fertilizers treatment leaf weight significantly increased of all varieties at three perspective growth stages (Maximum tillering, Panicle initiation, Flowering). BPT-5204 showed very good responses in increasing leaf weight compared to other varieties. Silicon content in leaves (at 50% Flowering stages) increases as compared to control in all perspective varieties under silicon solublizers treatment, and BPT-5204 showed maximum accumulation of silicon in leaves. Stem borer infestation (Dead heart and white ear head) was significantly reduced after application of silicon fertilizers in all rice genotypes. In case of stem borer infestation also BPT-5204 showed maximum reduction in larva was found as compared to other genotypes. Rice blast disease was significantly reduced in all rice genotypes as compared to control after silicon solublizers treatment in soil. Similar results was found in false smut disease also, soil application of silicon fertilizers reduced infestation of false smut and severe false smut in all rice genotypes as compared to control.

Pages: 358-362  |  842 Views  245 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Rakesh Sil Sarma, Deepti Shankhdhar and Shailesh Chandra Shankhdhar. Beneficial effects of silicon fertilizers on disease and Insect-Pest management in rice genotypes (Oryza sativa. L). J Pharmacogn Phytochem 2019;8(3):358-362.

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