The Hidden Costs of Nighttime Warming on Yields

Walid Sadok, S. V.Krishna Jagadish

Research output: Contribution to journalReview articlepeer-review

4 Scopus citations

Abstract

Nighttime warming poses a threat to global food security as it is driving yield declines worldwide, but our understanding of the physiological basis of this phenomenon remains very limited. Furthermore, it is often assumed that such declines are driven solely by increases in nighttime temperature (TNight). Here we argue that, in addition to temperature, increases in nighttime evaporative demand may ‘conspire’ to penalize yields and end-use quality traits. We propose an ecophysiological framework outlining the possible mechanistic basis of such declines in yield and quality. We suggest ways to use the proposed framework as a guide to future efforts aimed at alleviating productivity losses by integrating crop ecophysiology with modeling, breeding, and management.

Original languageEnglish (US)
Pages (from-to)644-651
Number of pages8
JournalTrends in Plant Science
Volume25
Issue number7
DOIs
StatePublished - Jul 2020

Bibliographical note

Funding Information:
W.S. was supported by USDA NIFA through the Minnesota Agricultural Experiment Station (project# MIN-13-095 ) and the Minnesota Department of Agriculture (Contract No. 138815 ). S.V.K.J. acknowledges the support of the Kansas Agricultural Experiment Station (Contribution 20-101-J ) and the National Science Foundation (Award No. 1736192 ).

Keywords

  • drought tolerance
  • nighttime respiration
  • nighttime temperature
  • nighttime vapor pressure deficit
  • water use efficiency

PubMed: MeSH publication types

  • Journal Article
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.
  • Review

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