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Indian Journal of Agronomy
Year : 2013, Volume : 58, Issue : 3
First page : ( 430) Last page : ( 433)
Print ISSN : 0537-197X. Online ISSN : 0974-4460.

Yield and quality of rice (Oryza sativa) hybrids grown by SRI method with and without plant growth promoting rhizobacteria

Choudhary R.L.1, Kumar Dinesh2,*, Shivay Y.S.2, Anand Anjali3, Nain Lata4

Indian Agricultural Research Institute, New Delhi-110 012

1Scientist (Agronomy), NIASM, Malegaon, Baramati-413115, Maharashtra

2Principal Scientists, Division of Agronomy

3Principal Scientist, Division of Plant Physiology

4Principal Scientist, Division of Microbiology

*Corresponding author email: dineshctt@yahoo.com

Online published on 25 September, 2013.

Abstract

A field experiment was conducted at the Indian Agricultural Research Institute, New Delhi during kharif 2007 to assess the performance of six rice (Oryza sativa L.) hybrids (‘KRH 2’, ‘Arize 6444’, ‘PHB 71’, ‘Indam 100–001’, ‘PRH 10’ and ‘Indam 100–003’) with and without inoculation of plant growth-promoting rhizobacteria (Azospirillum brasilense ‘CD 4’, Bacillus subtilis ‘RP 24’ and control), grown by system of rice intensification (SRI) method. Hybrid ‘PHB 71’ recorded the highest surface area, diameter and volume of roots. Highest grain yield was recorded in ‘KRH 2’, which was at par with ‘Arize 6444’ and ‘PHB 71’, but significantly higher than ‘Indam 100–003’, ‘PRH 10’ and ‘Indam 100–001’. Inoculation of rice seedlings with plant growth-promoting rhizobacteria had a favourable effect on root growth, yield and quality of rice hybrids. Inoculation of rice with Azosprillum brasilense and Bacillus subtilis improved all quality parameters, viz. hulling, milling, head rice recovery and protein content significantly over the control.

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Keywords

PGPR, Rice hybrids, Rice quality, System of rice intensification, Yield.

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