The Role of Genetic Resistance in Rice Disease Management

International Journal of Molecular Sciences, Год журнала: 2025, Номер 26(3), С. 956 - 956

Опубликована: Янв. 23, 2025

Rice (Oryza sativa) is a crucial staple crop for global food security, particularly in Asia. However, rice production faces significant challenges from various diseases that can cause substantial yield losses. This review explores the role of genetic resistance disease management, focusing on molecular mechanisms underlying plant–pathogen interactions and strategies developing resistant varieties. The paper discusses qualitative quantitative resistance, emphasizing importance (R) genes, defense-regulator trait loci (QTLs) conferring broad-spectrum resistance. Gene-for-gene relationships rice–pathogen are examined, Xanthomonas oryzae pv. Magnaporthe oryzae. also covers recent advancements breeding techniques, including marker-assisted selection, engineering, genome editing technologies like CRISPR-Cas. These approaches offer promising avenues enhancing while maintaining potential. Understanding exploiting durable disease-resistant varieties, essential ensuring sustainable security face evolving pathogen threats changing environmental conditions.

Язык: Английский

Efficacy of antagonistic bacteria for controlling fungal rice (Oryza sativa L.) pathogens.

International Journal of Agricultural Technology, Год журнала: 2025, Номер 21(3), С. 1003 - 1018

Опубликована: Май 18, 2025

A total of 59 bacterial isolates were isolated from the rhizosphere soil rice in Tha-rang sub-district, Ban-Lham district, Phetchaburi province. The preliminary study was conducted using a dual culture assay to investigate efficacy antagonistic bacteria control fungal diseases, which include Curvularia spp., Fusarium spp. and Rhizoctonia result showed that 5 isolates: BL-44, BL-48, BL-55, BL-56 BL-59 have an efficiency pathogens. isolate revealed maximal percentage mycelial growth inhibition against (65.67%) (54.74%) BL-44 (PIRG) (74.29%) (P<0.05) PDA medium. Whereas, inhibitory activity BL-59, performed on TSA medium had highly PIRG values 93.33, 82.84 31.03% tested medium, respectively. volatile highest antifungal (82.26%) (67.86%), whereas BL-48 by 73.33 76.67%, respectively (P<0.05). Microscopic observation hyphal morphology diseases severely damaged hyphae, including deformation, loss apical growth, lysis. Furthermore, these produced compounds inhibited reduced pigment production. In addition, demonstrated temperature endurance 20 50ºC. tolerate salinity levels ranging 4 7% NaCl. identified as Enterobacter roggenkampii, cloacae Bacillus subtilis subsp. spizizenii based 16S rRNA analysis. As result, this can be used alternative choice caused

Язык: Английский

Roles of Phyllosphere Microbes in Rice Health and Productivity

Plants, Год журнала: 2024, Номер 13(23), С. 3268 - 3268

Опубликована: Ноя. 21, 2024

The phyllosphere, comprising the aerial portions of plants, is a vibrant ecosystem teeming with diverse microorganisms crucial for plant health and productivity. This review examines functional roles phyllosphere in rice (

Язык: Английский