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Table 5 Single-marker analysis for the effect of qDTY 1.1 on grain yield after covariance adjustment for effect of days to 50% flowering under drought stress in three populations

From: qDTY 1.1 , a major QTL for rice grain yield under reproductive-stage drought stress with a consistent effect in multiple elite genetic backgrounds

Population Marker Mean grain yield of N22 homozygotes (kg/ha) Mean grain yield of IR64, Swarna, MTU1010 homozygotes (kg/ha) p-value
N22/IR64 RM431 1273 761 < 0.001
  RM11943 1239 878 < 0.001
N22/Swarna RM431 1517 926 < 0.01
  RM11943 1484 927 < 0.01
N22/MTU1010 RM431 1543 1149 < 0.01
  RM11943 1531 1199 < 0.01
  1. Homozygotes and heterozygotes determined based on the genotype of RM11943 and RM431.
  2. P < 0.01, highly significant