2019
DOI: 10.1556/019.70.2019.06
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Effects of foliar application of glycine betaine and chitosan onPuccinellia distans(Jacq.) Parl. subjected to salt stress

Abstract: Introduction: Using brackish water for irrigation may expose turfgrasses to salinity stress. Employing the best treatments to maintain high-quality turfs under saline conditions is an important requirement for turfgrass management. Methods: We tested the response of a halophyte grass, Puccinellia distans, to irrigation with saline solutions and to foliar application of two osmoprotectants, such as glycine betaine (GB) or chitosan (CH). Plants were grown in pots under controlled conditions and irrigated with 20… Show more

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Cited by 7 publications
(4 citation statements)
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“…In hydroponic conditions, the survival rate of P. maritima was 55.0% at 10 g L −1 NaCl, in comparison to only 1.6% at 30 g L −1 NaCl, and biomass accumulation was inhibited by 77.5 and 97.5%, respectively [73]. P. distans plants were able to sustain full growth at 200 mmol NaCl and to tolerate irrigation with 600 mmol NaCl, with only a 37% reduction of shoot biomass [77]. Another species of the genus, Puccinellia tenuiflora, an important forage species, has emerged as a model plant in studies of the salinity and alkalinity tolerance of halophytic grasses [78,79].…”
Section: Puccinellia Sppmentioning
confidence: 96%
“…In hydroponic conditions, the survival rate of P. maritima was 55.0% at 10 g L −1 NaCl, in comparison to only 1.6% at 30 g L −1 NaCl, and biomass accumulation was inhibited by 77.5 and 97.5%, respectively [73]. P. distans plants were able to sustain full growth at 200 mmol NaCl and to tolerate irrigation with 600 mmol NaCl, with only a 37% reduction of shoot biomass [77]. Another species of the genus, Puccinellia tenuiflora, an important forage species, has emerged as a model plant in studies of the salinity and alkalinity tolerance of halophytic grasses [78,79].…”
Section: Puccinellia Sppmentioning
confidence: 96%
“…Application of glycinebetaine to creeping bentgrass (Agrostis stolonifera L.) mitigated the adverse effect of drought stress by significantly reducing superoxide anion content (O 2 − ) and malondialdehyde content and increased turf quality, chlorophyll content, superoxide dismutase (SOD), catalase, and peroxidase in water stressed plants [108]. In a halophyte grass, Puccinellia distans, application of osmoprotectants, such as glycine betaine or chitosan greatly increased shoot growth under high salinity condition [109]. Therefore, identification and application of osmoprotectants or small molecules stimulating the production of antioxidants, and organic osmolytes that provide osmoregulation to stressed plant cells could have a synergistic effect in boosting drought tolerance in turfgrass.…”
Section: Exogenous Application Of Hormones and Osmoprotectantsmentioning
confidence: 99%
“…Furthermore, their accumulation in plant tissues facilitates the maintenance of both the osmotic and turgor pressure of cells as well as scavenging for reactive oxygen species (ROS) [29,35,36]. Glycine betaine (GB) is among the most widely studied and exogenously applied osmoprotectants with a great potential for ameliorating several abiotic stress factors in plants [37][38][39][40][41][42][43]. Exogenous application of GB in plants leads to the expression of stress-related genes that are involved in both biotic and abiotic stress tolerance [44].…”
Section: Introductionmentioning
confidence: 99%