This work was supported by the National Natural Science Foundation(Grant No.30671225);the Natural Science Foundation of Jiangsu Province(Grant No.BK2006069);Nantong University School Program(Grant No.06Z108).
Two indica rice (Oryza sativa L.) materials, Xieqingzao B (sensitive to heat stress) and 082 (tolerant to heat stress) were used to study the role of brassinolide (BR) in protection of rice seedlings from heat...