ArticleJournal of advanced research2025
Development of dual disease resistant Basmati rice varieties offer significant economic advantage and impetus to sustainable crop production.
Article in Journal of advanced research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Molecular Bases and Genetic Design of Rice Disease Resistance for Optimized Yield and Sustainable Agriculture.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
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15 authors.
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Abstract
introductionBacterial blight and blast are the major diseases causing production losses to an extent of 31.52% to 67.79% in Pusa Basmati 1121(PB1121) and Pusa Basmati 6(PB6), respectively. Use of chemical pesticides leads to increased cost of cultivation, degradation of environment and human health while affecting international trade.
objectiveThe study aimed at developing bacterial blight and blast resistant Basmati rice varieties and to assess their impact in farmers' field.
methodsA marker assisted selection from intercross of backcross derived lines was implemented to incorporate bacterial blight resistance genes xa13 and Xa21; along with blast resistance genes Pi2 and Pi54. The developed lines were evaluated across multiple environments before release as commercial varieties. The technology was assessed for its impact based on the feedback of farmers'.
resultsMarker assisted breeding integrated with stringent phenotypic selection for Basmati quality traits and multi-season trials has led to isolating top performing lines with genome similarity ranging from 94.56% to 96.16% among Pusa Basmati 1121 (PB1121) derivatives and 93.72% to 94.59% among the Pusa Basmati 6 (PB6) derivatives. Reassuring the effectiveness of the target genes in the recurrent parent backgrounds, the selected lines showed no loss of yield when managed without pesticide application. Besides, the lines performed stably across target population of environments (TPEs) covering the entire Basmati growing region. The best performing lines were released for commercial cultivation as varieties, Pusa Basmati 1885 (PB1885) and Pusa Basmati 1886 (PB1886). By growing these varieties, farmers have realised a saving of US$ 95/ha in PB1885 and US$ 134/ha in PB1886, towards managing bacterial blight and blast diseases.
conclusionThe technology developed holds great potential for producing pesticide residue free Basmati rice under environment friendly production conditions. The developed varieties can strengthen trade of Indian Basmati rice in international market while significantly reducing cost of cultivation.
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