Mahoharan, K.

Paliwal, Kailash

Sebastinraj, J.

English

University of Kentucky

University of Kentucky UKnowledge International Grassland Congress Proceedings 21st International Grassland Congress / 8th International Rangeland Congress Effect of Azospirillum on Fodder Production in the Semi‐Arid Region of South India J. Sebastinraj Mahendra Arts and Science College, India K. Mahoharan Mahendra Arts and Science College, India Kailash Paliwal Madurai Kamaraj University, India Follow this and additional works at: https://uknowledge.uky.edu/igc  Part of the Plant Sciences Commons, and the Soil Science Commons This document is available at https://uknowledge.uky.edu/igc/21/2-2/2 The 21st International Grassland Congress / 8th International Rangeland Congress took place in Hohhot, China from June 29 through July 5, 2008. Proceedings edited by Organizing Committee of 2008 IGC/IRC Conference Published by Guangdong People's Publishing House This Event is brought to you for free and open access by the Plant and Soil Sciences at UKnowledge. It has been accepted for inclusion in International Grassland Congress Proceedings by an authorized administrator of UKnowledge. For more information, please contact UKnowledge@lsv.uky.edu. 　 Multifunctional Grasslands in a Changing World 　 Volume Ⅰ 　 瞯 ]347　 瞯Grasslands/Rangelands Resources and Ecology ——— Soil Quality and Plant NutritionEffect of Azospirillum on fodder production in the semi‐arid region of South IndiaJ . Sebastinraj 倡 ,K . Mahoharan and K . Paliw al1Dep t . o f Biotechnology , Mahendra A rts and Science College , K alipatti 637 501 , India .1 Dep t . o f Plant Sciences , Madurai K amaraj Unversity , Madurai 625 021 . India .倡 Corresponding author摧s E‐mail : sebastinrht＠ yahoo .comIntroduction Productivity of the tropical and subtropical grazing lands is generally very low . Chemical fertilizers are expensiveand ecologically not desirable . Greater emphasis is now laid on the application of biofertilizers to increase the fodder production .Nitrogen fixing bacteria have the potential to reduce nitrogen fertilizer requirements in many agricultural areas . Yield increaseafter inoculation with Azospirillum have been recorded in many places throughout the world . A zosp irillum lipo f eruminoculation showed higher green forage yield than A zosp irillum brasilense . In the present investigation A zosp irillumlipo f erum strain ( ICM １００１) was used to increase the productivity of five fodder grasses .Materials and methods The culture of Azospirillum lipoferum ICM １００１ was obtained from ICRISAT , Hydrabad , India . Rootinoculation was done by immersing fodder grass tillers in the bacterial strains of semi liquid inoculums for １２ hours , later thetillers were transplanted to the field . Furrow irrigation was adapted for the application of water at every third day . Plants wereharvested af ter ３ months and samples were dried at ８００ ℃ for ２２ hours until constant weight was reached .Results and discussion Table １ Shows that Bajra‐Napier BN３ attains the greatest maximum plant height peak when inoculatedwith the strain Azospirillum lipoferum １００１ . This increased the tiller number also . Compared with the controls , biomassproduction was higher in Azospirillum inoculated clones . It effectively increased the above ground biomass production morethan the below ground production . Increasing rate of plant grow th and forage yield has been obtained in Azospirillum inoculatedfodder grasses . Similar findings were also observed by Jawahar and Suresh ( ２００７ ) , and Saikia and Jain ( ２００７ ) . Bajra NapierBN２ variety with Azospirillum lipoferum １００１ inoculation showed higher biomass production . It is a suitable fodder species forthe subtropical regions of South India .Table 1 E f f ect o f A . lipo f erum inoculation on biomass p roduction o f f odder grasses .Height cm No . oftillers Shoot biomassg / plantRoot biomassg / plantTotal biomassg / plantBrocharia mutica Control １２０ ゥ１４ 靠６７  .２ １２ 忖.９６ ８０ 技.１６AL １００１ .１４９ ゥ１６ 靠７１  .４ １８ 忖.５２ ８９ 技.９２Bajara‐Napier BN２ ZControl ２０９ ゥ５ 憫３０２ 5.０６ １２３  .１２ ４２５ 觋.２０AL １００１ .２８２ ゥ６ 憫４５９ 5.３２ １６４  .７６ ６２４ 觋.０６Bajara‐Napier CO１ ZControl １５３ ゥ６ 憫２４２ 5.５６ ８２ 忖.８０ ３２５ 觋.３６AL １００１ .２０１ ゥ８ 憫３３６ 5.５２ １１１  .９６ ４４６ 觋.４８Panicum maximum Control １７２ ゥ１２ 靠１２０ 5.９６ ２６ 忖.９２ １４７ 觋.６８( Hamil grass) AL １００１ .２２２ ゥ２１ 靠１５６ 5.８０ ２９ 忖.４８ １８６ 觋.２４Panicum maximum Control １５２ ゥ１２ 靠１０３ 5.２０ １９ 忖.１６ １２２ 觋.３６( guinea grass) AL １００１ .２０６ ゥ１６ 靠１４０ 5.３１ ２７ 忖.４３ １６７ 觋.７４ReferencesJawahar , D . , Suresh , S . , ２００７ . Effect of biofertilizer and enriched FYM in the yield of cotton under dry farming in vertisol .Adv . Plant Sci . ２０(１１) : ４７３‐４７５ .Saikia , S .D . , Vanitha Jain , ２００７ . Biological nitrogen fixation with non legumes . An achievable target or a dogma . CurrentScience ２２ (３) : ３１７‐３２２ .

Effect of Azospirillum on Fodder Production in the Semi‐Arid Region of South India

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Effect of Azospirillum on Fodder Production in the Semi‐Arid Region of South India

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