Effect of adjuvants on growth and spore attributes of Metarhizium anisopliae (Metsch.) Sorokin

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Authors

  • C. DEEPAK
     Department of Entomology, B. A. College of Agriculture, Anand Agricultural University, Anand – 388110, Gujarat ,IN
  • H. C. PATEL
     Department of Entomology, B. A. College of Agriculture, Anand Agricultural University, Anand – 388110, Gujarat ,IN
  • B. L. RAGHUNANDAN
     AICRP on Biological Control of Crop Pests, Anand Agricultural University, Anand – 388110, Gujarat ,IN
  • NEHA G. PRAJAPATI
     AICRP on Biological Control of Crop Pests, Anand Agricultural University, Anand – 388110, Gujarat ,IN
  • N. B. PATEL
     AICRP on Biological Control of Crop Pests, Anand Agricultural University, Anand – 388110, Gujarat ,IN

DOI:

https://doi.org/10.18311/jbc/2024/43689

Keywords:

Adjuvants, entomopathogenic fungi, Metarhizium anisopliae, spore germination

Abstract

The pathogenicity of the fungus, Metarhizium anisopliae, commonly referred to as the green muscardine fungus, has been demonstrated against numerous insect species inhabiting various habitats. Laboratory experiments were carried out to investigate the impact of naturally derived adjuvants on the growth and spore characteristics of M. anisopliae. The natural polysaccharide (guar gum, gum acacia and carboxymethyl cellulose), vegetable oil (groundnut and cottonseed oil) and a synthetic adjuvant were used in the study at three distinct concentrations: 0.05%, 0.1%, and 0.2% v/v or w/v. Among the various adjuvants tested, both gum acacia and guar gum at concentrations of 0.1% and 0.2% were observed to have a positive impact on the growth of the fungus, resulting in enhanced radial mycelial growth, conidiospore production, surface area coverage, and conidiospore germination. Conversely, this fundamental study highlights the detrimental effects of synthetic adjuvants on the growth and spore characteristics of M. anisopliae.

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Published

2024-10-08

How to Cite

DEEPAK, C., PATEL, H. C., RAGHUNANDAN, B. L., PRAJAPATI, N. G., & PATEL, N. B. (2024). Effect of adjuvants on growth and spore attributes of <i>Metarhizium anisopliae</i> (Metsch.) Sorokin. Journal of Biological Control, 38(3), 268–275. https://doi.org/10.18311/jbc/2024/43689

Issue

Volume 38, Issue 3, September 2024

Section

Research Articles

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Copyright (c) 2024 C. Deepak, H. C. Patel, B. L. Raghunandan, Neha G. Prajapati, N. B. Patel (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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Europe PMC
Received 2024-04-20
Accepted 2024-07-23
Published 2024-10-08

 

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