Journal of Plant Physiology & Pathology ISSN: 2329-955X

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Research Article, J Plant Physiol Pathol Vol: 1 Issue: 2

Effect of Polymeric Additives, Adjuvants, Surfactants on Survival, Stability and Plant Growth Promoting Ability of Liquid Bioinoculants

Leo Daniel Amalraj E1*, Venkateswarlu B1, Suseelendra Desai1, Praveen Kumar G1, Mir Hassan Ahmed SK1, Meenakshi T1, Uzma Sultana1, Sravani Pinisetty1 and Lakshmi Narasu M2
1Division of Crops Sciences, Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad, Andhra Pradesh, India-500059
2Centre for Biotechnology, IST, JNT University, Hyderabad, Andhra Pradesh, India
Corresponding author : Leo Daniel Amalraj E
Division of Crops Sciences, Central Research Institute for Dryland Agriculture, Santoshnagar, Hyderabad, Andhra Pradesh,India-500059
E-mail: [email protected]
Received: March 02, 2013 Accepted: Apirl 29, 2013 Published: May 03, 2013
Citation: Leo Daniel AE, Venkateswarlu B, Suseelendra D, Praveen Kumar G, Mir Hassan Ahmed SK, et al. (2013) Effect of Polymeric Additives, Adjuvants, Surfactants on Survival, Stability and Plant Growth Promoting Ability of Liquid Bioinoculants. J Plant Physiol Pathol 1:2. doi:10.4172/2329-955X.1000105

Abstract

Effect of Polymeric Additives, Adjuvants, Surfactants on Survival, Stability and Plant Growth Promoting Ability of Liquid Bioinoculants

The present study was conducted to evaluate the effect of polymeric additives, adjuvant and surfactants for their ability to support growth, shelf-life stability and bio-efficacy of liquid bioinoculants (Bacillus megaterium var. phosphaticum, Azospirilum brasilense and Azotobacter chrococcum). Liquid inoculants formulated with 2% polyvinylpyrollidone (PVP 30 K), 0.1% carboxy methylcellulose (CMC-high density) and 0.025% Polysorbate 20 promoted long-term survival of Bacillus megaterium var. phosphaticum, Azospirillum and Azotobacter with 5.6 x 107, 1.9x108 and 3.5x107 cfu ml-1, respectively after 480 days of formulation when stored at 30oC.

Keywords: Liquid inoculants; Cell protectants; Shelf life; Growth promotion

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