Table 1.
QTL for grain yield under drought in IR64×Aday Sel derived populations.
Figure 1.
Canopy temperature dynamics over the A. 2010DS and B. 2010DS-ROS, as measured mid-day on sunny days with an infrared camera, and C. stomatal conductance during the 2010DS-ROS.
Significant differences among lines are indicated by *(p<0.05) and **(p<0.01). D. Infrared thermal image showing contrasting canopy temperatures of +QTL and –QTL lines, taken 98 days after sowing (DAS) in 2010DS-ROS.
Figure 2.
Shoot growth dynamics in field studies as measured by destructive sampling in 2009WS and 2010DS seasons, and by NDVI in 2010DS-ROS.
Arrows indicate dates that the experiment was re-watered. No significant differences were observed between lines within a BIL pair on any sampling date.
Table 2.
Root length density of +QTL lines, −QTL lines, and IR64 at different depths in field drought studies, as sampled with a 4-cm diameter corer tube placed mid-way between hills of adjacent rows.
Table 3.
Number of differentially expressed genes in +QTL and –QTL lines under two drought stress conditions.
Table 4.
Enriched GO-SLIM and Mapman pathways from the differentially expressed genes associated with drought-yield QTL.
Table 5.
Yield and quality traits of IR64 QTL-introgressed lines at IRRI.
Table 6.
Yield of QTL-introgressed IR64 lines in the target ecosystem in Bangladesh, Nepal, and India.