Transcriptome and metabolite reveal the inhibition induced by combined heat and drought stress on the viability of silk and pollen in summer maize

With the influence of climate warming, the frequency of combined high temperature and water deficit events is increasing, and the reproductive organs of maize are extremely sensitive to heat or drought stress. However, the difference between maize pollen and silk in response to combined stress is unclear. In this study, single high temperature (TS) or drought (DS) and combined stress (TDS) were conducted at the reproductive development stage from the 10-leaf vegetative stage to anthesis and the molecular and biochemical responses of reproductive organs to stress were analyzed using an integrated transcriptomic and metabolomic approach. Results showed that TDS decreased by 45.65 % pollen viability and inhibited…

• MS
  Major Science and Technology Project of Hainan Province

  Award: 241100110300