Abstract
The study aimed to determine the agronomic traits of two rice modules (IRSSTN 1 for a coastal salinity-wet season, and IRSSTN 2 for an inland salinity-coastal salinity-dry season) to select promising genotypes that have highest grain yields, early maturity, and stable under Al-mishkhab, Iraq environmental conditions by using inorganic and organic nutrition. The results showed that genotype IR72049-B-R-22-3-1-1 performed the best agronomic traits with late flowering (>130 days), shorter plant height, the highest ratio of seeds/panicle and grain yield compared to control, while genotype IR70023-4B-R-12-3-1 gave the highest panicle length and the highest number of panicle/m2. Significant differences were found at macronutrient (N, P, K, Na, Mg, and Ca) and micronutrient (Zn, Mn, Fe, and Cu). ‘IRSSTN module 1’ genotypes showed superiority in P, Mg, and Cu and IRSSTN module 2 genotypes had superiority in N, Ca, and Cu. The simple correlation analysis shows that 6 genotypes of 2 sets of IRSSTN genotypes improved the nutritional quality of whole grain may be having a stable medium. It can be recommended to improve the new cultivars at a research station and producing good seed quality.
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