Research Progress on Peony under High Temperature Stress Caused by Climate Warming

Global warming and worsening environmental problems have worsened the heat resistance of peony and difficult maintenance and management. The high temperature stress caused by the environment has become an important environmental factor for the growth and development of peony. The article summarizes the morphology, yield, physiological and biochemical indicators and research status of peony under high temperature stress; summarizes the research status of peony heat tolerance evaluation index screening, germplasm heat tolerance evaluation and heat-resistant peony breeding, in order to promote tolerance Selection and breeding process of hot peony germplasm resources. At present, related researches on peony mainly focus on pharmacological effects and germplasm resources. The physiological mechanism of high temperature and breeding of heat-resistant varieties of peony are relatively lagging behind. In-depth study of the physiological mechanism of high temperature in peony combined with multi-omics will help to adopt technical measures to improve the heat tolerance of high plants and reduce heat damage, so as to speed up the selection and breeding of heat-resistant peony germplasm, and meet the survival and medicine of peony in harsh environments. Use and other needs.

Abstract licence: CC BY

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