Theme 01: Ecophysiology of Grasslands
Description
Two rangeland grass species, Shore Elurope (Aeluropus litoralis) and Weeping Alkaligrass (Puccinellia distans) were studied. The research was done under a split plot experiment and completely randomized design. Plants were grown under two irrigation treatments (seven and fourteen day periods of irrigation treatments). Morphological response included determination of wilting percentage, leaf water potential, production of yield, root dry weight, weight ratio of root/stem and finally total dry weight of species. Anatomical studies included leaf descriptive structure such as comparison of stomata and their density in area unit, study of vascular structure, mesophyl tissues and epiderm. Results showed increment of wilting percentage with increased of drought periods. This percentage was higher in Shore Elurope in comparison with Weeping Alkaligrass. Increment of stress reduced stem dry weight and total dry weight in species such that the decrease was higher in Weeping Alkaligrass. It was determined that Weeping Alkaligrass was more resistant to drought than Shore Elurope.
Citation
Jafari, Mohammad and Firouzabadi, A. G., "Resistance to Drought in Shore Elurope (Aeluropus litoralis) and Weeping Alkaligrass (Puccinellia distans)" (2021). IGC Proceedings (1993-2023). 7.
https://uknowledge.uky.edu/igc/19/1/7
Included in
Resistance to Drought in Shore Elurope (Aeluropus litoralis) and Weeping Alkaligrass (Puccinellia distans)
Two rangeland grass species, Shore Elurope (Aeluropus litoralis) and Weeping Alkaligrass (Puccinellia distans) were studied. The research was done under a split plot experiment and completely randomized design. Plants were grown under two irrigation treatments (seven and fourteen day periods of irrigation treatments). Morphological response included determination of wilting percentage, leaf water potential, production of yield, root dry weight, weight ratio of root/stem and finally total dry weight of species. Anatomical studies included leaf descriptive structure such as comparison of stomata and their density in area unit, study of vascular structure, mesophyl tissues and epiderm. Results showed increment of wilting percentage with increased of drought periods. This percentage was higher in Shore Elurope in comparison with Weeping Alkaligrass. Increment of stress reduced stem dry weight and total dry weight in species such that the decrease was higher in Weeping Alkaligrass. It was determined that Weeping Alkaligrass was more resistant to drought than Shore Elurope.
