Monitoring near canopy environment under heat and drought at flowering stage and evaluation of early morning flowering ability under heat and drought

To estimate canopy temperature threshold for yield under multiple stress conditions and study the natural temperature variations under drought on growth biomass partitioning and yield of rice. Replicated factorial field experiment of nested design with three replicates will conduct as a following treatments, early planting flooded (control), late planting drought stress (up to 1bar), late planting heat & drought stress. Bg358, IR64 and IR64EMF varieties test under above conditions.