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Title of Journal: Symbiosis

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Abbravation: Symbiosis

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Springer Netherlands

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DOI

10.1007/bf02697421

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ISSN

1878-7665

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Physiological and biochemical changes in tomato cu

Authors: Ishwar Prakash Sharma A K Sharma
Publish Date: 2016/05/18
Volume: 71, Issue: 3, Pages: 175-183
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Abstract

Arbuscular mycorrhizal fungi AMF and plant growth promoting rhizobacteria PGPR have potential to control soilborne diseases including plantparasitic nematodes First the effects of dual inoculation of mycorrhiza Rhizophagus irregularis and two stains of pseudomonads Pseudomonas jessenii strain R62 and Pseudomonas synxantha strain R81 on tomato Solanum lycopersicum cv PT3 growth were tested Further the physiological and biochemical changes caused by these beneficial organisms during infection by the rootknot nematode Meloidogyne incognita were studied The experiment was conducted under glass house conditions and carried out up to one month after nematode inoculation Plants treated with dual or individual inoculation of AMF and PGPR showed significantly enhanced plant growth and reduced nematode infection In addition they exhibited potent activity of phenolics 28  and defensive enzymes ie peroxidase PO 126 fold polyphenyloxidase PPO 135 fold and superoxide dismutase SOD 109 fold while a significant reduction in malondialdehyde MDA 163 fold and hydrogen peroxide H2O2 130 fold content was recorded when compared to the nematodeinfected plants These findings indicate the feasibility of AMF and PGPR individually or in combinations as potential biocontrol agents for the management of rootknot nematodes

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Other Papers In This Journal:
  1. Measuring the fitness of symbiotic rhizobia
  2. Vertebrate faeces as sources of nodulating Frankia in Patagonia
  3. Contribution of transgenic Casuarinaceae to our knowledge of the actinorhizal symbioses
  4. Morphological and molecular analyses of ectomycorrhizal diversity in Pinus densiflora seedlings
  5. Uric acid-degrading bacteria in the gut of the invading apple snail Pomacea canaliculata and their possible symbiotic significance
  6. Fungal root endophyte associations of plants endemic to the Pamir Alay Mountains of Central Asia
  7. Fungal root endophyte associations of plants endemic to the Pamir Alay Mountains of Central Asia
  8. Geographic patterns in the bacterial microbiome of the glassy-winged sharpshooter, Homalodisca vitripennis (Hemiptera: Cicadellidae)
  9. Tolerance to environmental stress by the nitrogen-fixing actinobacterium Frankia and its role in actinorhizal plants adaptation
  10. Microbial diversity associated with ascidians: a review of research methods and application
  11. Florida reef sponges harbor coral disease-associated microbes
  12. Spatial distribution and biomass of root nodules in a naturally regenerated stand of Alnus hirsuta (Turcz.) var. sibirica
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