Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Impact of phytohormones regulating photosynthesis and photoprotection under drought. A, Examples of phytohormone responses to drought at whole-plant level. B, Examples of the effects of exogenously applied phytohormones on photosynthesis under drought. Aux, auxins; Chl, chlorophyll; ET, ethylene; NPQ, non-photochemical quenching; OST1, open stomata 1; PS, photosynthesis; SAGs, senescence-associated genes; and WUE, water use efficiency.
