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Table 3 Average yield and yield reduction of M. graminicola inoculated (I) and un-inoculated (UI) parental lines and RILs in two seasons

From: QTL mapping for resistance to and tolerance for the rice root-knot nematode, Meloidogyne graminicola

Traits First season Second season
Plant yield (g) YR (%) Plant yield (g) YR (%)
UI I UI I
IR64 15.5 5.2 66.4* 16.3 8.8 46.0*
IR78877-208-B-1-2 14.1 13.7 2.8 ns 12.6 12.3 2.4 ns
F4 RILs
 Tolerant 15.8 14.8 6.3 ns 18.0 17.1 5.3 ns
 Less sensitive 14.8 12.4 16.0 ns 16.9 14.7 17 ns
 Sensitive 16.1 12.0 25.7* 17.0 12.2 28.6*
 Highly sensitive 18.8 9.1 52.0* 20.6 10.3 49.2*
  1. UI Un-inoculated, I Inoculated, YR Yield reduction
  2. *indicates that the % reduction is significant according to LSD (P ≤ 0.05)