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Seed Biopriming with Salt-Tolerant Endophytic Pseudomonas geniculata-Modulated Biochemical Responses Provide Ecological Fitness in Maize (Zea mays L.) Grown in Saline Sodic Soil.

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Title Seed Biopriming with Salt-Tolerant Endophytic Pseudomonas geniculata-Modulated Biochemical Responses Provide Ecological Fitness in Maize (Zea mays L.) Grown in Saline Sodic Soil.
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Creator Not Available
Shailendra Singh, Udai B. Singh, Mala Trivedi, Pramod Kumar Sahu, Surinder Paul, Diby Paul, and Anil Kumar Saxena
 
Subject Pseudomonas geniculata; seed biopriming; ecological fitness; maize; soil salinity and sodicity; salt stress
 
Description Not Available
Under changing climate, soil salinity and sodicity is a limiting factor to crop production
and are considered a threat to sustainability in agriculture. A number of attempts are being made to
develop microbe-based technologies for alleviation of toxic effects of salts. However, the mechanisms
of salt tolerance in agriculturally important crops are not fully understood and still require in-depth
study in the backdrop of emerging concepts in biological systems. The present investigation
was aimed to decipher the microbe-mediated mechanisms of salt tolerance in maize. Endophytic
Pseudomonas geniculate MF-84 was isolated from maize rhizosphere and tagged with green fluorescent
protein for localization in the plant system. Confocal microphotographs clearly indicate that MF-84
was localized in the epidermal cells, cortical tissues, endodermis and vascular bundles including
proto-xylem, meta-xylem, phloem and bundle sheath. The role of P. geniculate MF-84 in induction
and bioaccumulation of soluble sugar, proline and natural antioxidants enzymes in maize plant was
investigated which lead not only to growth promotion but also provide protection from salt stress
in maize. Results suggested that application of P. geniculate MF-84 reduces the uptake of Na+ and
increases uptake of K+ and Ca2+ in maize roots indicative of the role of MF-84 in maintaining ionic
balance/homeostasis in the plant roots under higher salt conditions. It not only helps in alleviation of
toxic effects of salt but also increases plant growth along with reduction in crop losses due to salinity
and sodicity
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Date 2021-07-28T06:24:01Z
2021-07-28T06:24:01Z
2020-02-01
 
Type Research Paper
 
Identifier Shailendra Singh, Udai B. Singh, Mala Trivedi, Pramod Kumar Sahu, Surinder Paul, Diby Paul, and Anil Kumar Saxena, 2020. Seed Biopriming with Salt-Tolerant Endophytic Pseudomonas geniculata-Modulated Biochemical Responses Provide Ecological Fitness in Maize (Zea mays L.) Grown in Saline Sodic Soil. Int. J. Environ. Res. Public Health 2020, 17, 253; doi:10.3390/ijerph17010253
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http://krishi.icar.gov.in/jspui/handle/123456789/50535
 
Language English
 
Relation Not Available;
 
Publisher MDPI