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Do populations of Festuca pallescens from a rainfall gradient differ in the expression of morpho-physiological traits under drought stress? by Aldana S. López; Dardo R. López; Gonzalo Caballé; Priscila Edwards; Paula Marchelli is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Do populations of Festuca pallescens from a rainfall gradient differ in the expression of morpho-physiological traits under drought stress? about?
In arid environments, stochastic rainfall and high evapotranspiration force plants to optimize water resources. North Patagonia is characterized by a deep rainfall gradient that gives rise to environments with very contrasting water availability. Festuca pallescens is a key native forage species, growing widely in those environments. To explore morphological and physiological traits involved in the response to drought, we exposed plants from populations sampled along the rainfall gradient to different water availability conditions (Well-watered, Water-pulse, Water-drought). We evaluated morphological traits in all populations to assess inter-population variability and physiological traits between selected populations from sub-humid and arid environments to explore possible macro-environmental responses. Populations showed variation in survival after 45 days of drought conditions and differences in the expression of morphological traits. Also, populations from arid environments were less affected than those from humid environments, showing a longer recovery when they received water pulses. Although a population survival pattern related to the rainfall gradient was not evident, popul
Who reads Do populations of Festuca pallescens from a rainfall gradient differ in the expression of morpho-physiological traits under drought stress??
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Aldana S. López; Dardo R. López; Gonzalo Caballé; Priscila Edwards; Paula Marchelli
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)