Revisiting the emerging pathosystem of rice sheath blight: deciphering the Rhizoctonia solani virulence, host range, and rice genotype-based resistance
2024

Understanding Rice Sheath Blight and Resistance

Sample size: 11 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kalboush Zeinab A., Mazrou Yasser S. A., Hassan Amr A., Sherif Ahmed, Gabr Wael E., Ali Qurban, Nehela Yasser

Primary Institution: Rice Pathology Department, Plant Pathology Research Institute, Agricultural Research Center, Sakha, Kafrelsheikh, Egypt

Hypothesis

The study aims to isolate and characterize the causal agent of sheath blight on rice and to determine the relationship between the pathogen’s virulence and its ability to produce cell wall degrading enzymes.

Conclusion

The most aggressive isolate of Rhizoctonia solani was identified, which can infect various crops and weeds, while certain rice genotypes showed resistance.

Supporting Evidence

  • R. solani isolate SHBP9 was the most aggressive and caused the highest relative lesion height on susceptible rice cultivars.
  • Indica rice genotypes showed more resistance to R. solani than Japonica genotypes.
  • The study identified potential targets for disease control and sustainable management strategies.

Takeaway

This study looks at a disease that affects rice plants and finds out which types of rice can resist it better.

Methodology

The study involved isolating R. solani from infected rice plants, characterizing its virulence, and evaluating the resistance of different rice genotypes.

Potential Biases

Potential bias in the selection of rice genotypes and environmental conditions during the experiments.

Limitations

The study was limited to a small number of isolates and rice genotypes.

Participant Demographics

The study involved various rice genotypes from Egypt.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3389/fpls.2024.1499785

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