Experimental site
Geographical location
Above sea level (m) Season(s) of experiment (summer/dry season)
Average daily maximum temperature during heading (oC)
Average daily maximum temperature during heading (oC)
IR64 IR64+qEMF3
CARC/NARO, Joetsu, Niigata, Japan 37o1’N, 138o2’E 10 2016 29.5 30.8
JIRCAS, Ishigaki, Okinawa, Japan 24o4’N, 124o2’E 27 2015 32.8 33.1
YAU, Nay Pyi Taw, Myanmar 19o8’N, 96o3’E 98 2015, 2017, 2018, 2019 35.0-37.9§ 35.0-38.3§
IRRI, Los Baños, Laguna, Philippines 14o1’N, 121o2’E 22 2014 29.6 27.7
TNAU, Coimbatore, Tamil Nadu, India 11o0’N, 76o5’E 426 2020 34.4 35.5
ICRR, Subang, West Java, Indonesia 6o4’S, 107o6’E 26 2015 32.2 32.2