Dual-platform screening of stripe rust resistance in advanced wheat breeding lines: integration of vegetation indices and SSR marker-based genotyping.

Mean performance of genotypes under stripe rust epiphytotic and disease-controlled condition The physiological traits (Normalized Difference Vegetation Index (NDVI), chlorophyll content, canopy temperature, flag leaf area) as effected under artificial epiphytotic disease condition compared with disease-controlled condition showed a general trend of decline for NDVI, chlorophyll content, flag leaf area, TGW and yield, while canopy temperature and AUDPC exhibited an increasing trend with disease progression.

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Results Analysis of variance and components of genetic variation The results of the analysis of variance ( Tables 6 , 7 ) for 21 wheat genotypes, comprising 13 advanced breeding lines and 8 parental genotypes, revealed highly significant mean sum of squares (MSS) for treatments under both artificial epiphytotic and disease-controlled conditions for all traits, except canopy temperature before disease onset, which was significant at the 5% level.

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