Impact of the Mixed Consortium of Indigenous Arbuscular Mycorrhizal Fungi (AMF) on the Growth and Yield of Rice (ORYZA SATIVA L.) under the system of Rice Intensification (SRI)

Impact of the Mixed Consortium of Indigenous Arbuscular Mycorrhizal Fungi (AMF) on the Growth and Yield of Rice (ORYZA SATIVA L.) under the system of Rice Intensification (SRI)



S. Merina PremKumari, B.Jeberlin Prabina



The effect of inoculation of indigenousarbuscular mycorrhizal fungi
(AMF) co-inoculated with Azospirillumlipoferum(strain Az204) and
phosphobacteria (Bacillus megaterium - strain PB2) on the growth and
yield of rice under the System of Rice Intensification (SRI) in the
nursery and field was studied by conducting a field trial at
Agricultural College & Research Institute, Madurai. The indigenous
AMF was isolated from rice fields of this Institute and were identified
as Glomus sp., Gigasporasp. and Acaulospora sp. These AMF were mass
multiplied in maize plants using vermiculite as substrate and used as
mixed consortium AMF. The mat nursery was prepared and AMF inoculated at
the rate of 100g/m2. Also treatment was done using Azospirillum and
phosphobacteria on treatment wise. At the time of transplanting seedling
dip was done for the 8-day old rice seedlings using the same microbial
inoculants. In the main field seed also application of mixed consortium
AMF along with Azospirillum and phosphobacteria was carried out based on
the treatment schedule. The results of the field trial revealed that
the seedlings in the nursery showed vigorous growth and AMF colonization
and spore count were recorded the maximum in the treatment with AMF,
Azospirillumand 75% RDF of N and P. In the main field also there was
increased growth and yield of rice plant in the same treatment due to
the inoculation of mixed consortium AMF co-inoculated with Azospirillum
on rice variety, ADT43 in the presence of 75% N and P. The yield of rice
in this treatment recorded 11.8% higher than with 100% NP alone,
besides saving 25% NP. We conclude that the mixed consortium
ofindigenousAMF inoculation at the nursery and main field under SRI
increased growth and grain yield of rice. 



10.22161/ijeab/2.2.41



http://ijeab.com/upload_document/issue_files/41%20IJEAB-APR-2017-11-Impact%20of%20the%20Mixed%20Consortium%20of%20Indigenous%20Arbuscular%20Mycorrhizal%20Fungi.pdf



http://ijeab.com/submit-paper/

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