Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa

Research output: Contribution to journalJournal articlepeer-review

Standard

Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa. / Panuccio, M.R. ; Jacobsen, Sven-Erik; Saleem Akhtar, Saqib; Muscolo, A.

In: A O B Plants, Vol. 6, plu047, 2014.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Panuccio, MR, Jacobsen, S-E, Saleem Akhtar, S & Muscolo, A 2014, 'Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa', A O B Plants, vol. 6, plu047. https://doi.org/10.1093/aobpla/plu047

APA

Panuccio, M. R., Jacobsen, S-E., Saleem Akhtar, S., & Muscolo, A. (2014). Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa. A O B Plants, 6, [plu047]. https://doi.org/10.1093/aobpla/plu047

Vancouver

Panuccio MR, Jacobsen S-E, Saleem Akhtar S, Muscolo A. Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa. A O B Plants. 2014;6. plu047. https://doi.org/10.1093/aobpla/plu047

Author

Panuccio, M.R. ; Jacobsen, Sven-Erik ; Saleem Akhtar, Saqib ; Muscolo, A. / Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa. In: A O B Plants. 2014 ; Vol. 6.

Bibtex

@article{fb260e4845ea4f6898cc5f9e4bd385de,
title = "Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa",
abstract = "Salinization is increasing on a global scale, decreasing average yields for most major crop plants. Inves- tigations into salt resistance have, unfortunately, mainly been focused on conventional crops, with few studies screen- ing the potential of available halophytes as new crops. This study has been carried out to investigate the mechanisms used by quinoa, a facultative halophytic species, in order to cope with high salt levels at various stages of its develop- ment. Quinoa is regarded as one of the crops that might sustain food security in this century, grown primarily for its edible seeds with their high protein content and unique amino acid composition. Although the species has been described as a facultative halophyte, and its tolerance to salt stress has been investigated, its physiological and molecular responses to seawater (SW) and other salts have not been studied. We evaluated the effects of SW and different salts on seed germination, seedling emergence and the antioxidative pathway of quinoa. Seeds were germi- nated in Petri dishes and seedlings grown in pots with SW solutions (25, 50, 75 and 100 %) and NaCl, CaCl2, KCl and MgCl2 individually, at the concentrations in which they are present in SW. Our results demonstrated that all salts, at lower concentrations, increased the germination rate but not the germination percentages, compared with control (pure water). Conversely, seedlings were differently affected by treatments in respect to salt type and concentration. Growth parameters affected were root and shoot length, root morphology, fresh and dry weight, and water content. An efficient antioxidant mechanism was present in quinoa, activated by salts during germination and early seedling growth, as shown by the activities of antioxidant enzymes. Total antioxidant capacity was always higher under salt stress than in water. Moreover, osmotic and ionic stress factors had different degrees of influence on germination and development.",
author = "M.R. Panuccio and Sven-Erik Jacobsen and {Saleem Akhtar}, Saqib and A. Muscolo",
note = "OA",
year = "2014",
doi = "10.1093/aobpla/plu047",
language = "English",
volume = "6",
journal = "AoB PLANTS",
issn = "2041-2851",
publisher = "Oxford University Press",

}

RIS

TY - JOUR

T1 - Effect of saline water irrigation on seed germination and early seedling growth of the halophyte quinoa

AU - Panuccio, M.R.

AU - Jacobsen, Sven-Erik

AU - Saleem Akhtar, Saqib

AU - Muscolo, A.

N1 - OA

PY - 2014

Y1 - 2014

N2 - Salinization is increasing on a global scale, decreasing average yields for most major crop plants. Inves- tigations into salt resistance have, unfortunately, mainly been focused on conventional crops, with few studies screen- ing the potential of available halophytes as new crops. This study has been carried out to investigate the mechanisms used by quinoa, a facultative halophytic species, in order to cope with high salt levels at various stages of its develop- ment. Quinoa is regarded as one of the crops that might sustain food security in this century, grown primarily for its edible seeds with their high protein content and unique amino acid composition. Although the species has been described as a facultative halophyte, and its tolerance to salt stress has been investigated, its physiological and molecular responses to seawater (SW) and other salts have not been studied. We evaluated the effects of SW and different salts on seed germination, seedling emergence and the antioxidative pathway of quinoa. Seeds were germi- nated in Petri dishes and seedlings grown in pots with SW solutions (25, 50, 75 and 100 %) and NaCl, CaCl2, KCl and MgCl2 individually, at the concentrations in which they are present in SW. Our results demonstrated that all salts, at lower concentrations, increased the germination rate but not the germination percentages, compared with control (pure water). Conversely, seedlings were differently affected by treatments in respect to salt type and concentration. Growth parameters affected were root and shoot length, root morphology, fresh and dry weight, and water content. An efficient antioxidant mechanism was present in quinoa, activated by salts during germination and early seedling growth, as shown by the activities of antioxidant enzymes. Total antioxidant capacity was always higher under salt stress than in water. Moreover, osmotic and ionic stress factors had different degrees of influence on germination and development.

AB - Salinization is increasing on a global scale, decreasing average yields for most major crop plants. Inves- tigations into salt resistance have, unfortunately, mainly been focused on conventional crops, with few studies screen- ing the potential of available halophytes as new crops. This study has been carried out to investigate the mechanisms used by quinoa, a facultative halophytic species, in order to cope with high salt levels at various stages of its develop- ment. Quinoa is regarded as one of the crops that might sustain food security in this century, grown primarily for its edible seeds with their high protein content and unique amino acid composition. Although the species has been described as a facultative halophyte, and its tolerance to salt stress has been investigated, its physiological and molecular responses to seawater (SW) and other salts have not been studied. We evaluated the effects of SW and different salts on seed germination, seedling emergence and the antioxidative pathway of quinoa. Seeds were germi- nated in Petri dishes and seedlings grown in pots with SW solutions (25, 50, 75 and 100 %) and NaCl, CaCl2, KCl and MgCl2 individually, at the concentrations in which they are present in SW. Our results demonstrated that all salts, at lower concentrations, increased the germination rate but not the germination percentages, compared with control (pure water). Conversely, seedlings were differently affected by treatments in respect to salt type and concentration. Growth parameters affected were root and shoot length, root morphology, fresh and dry weight, and water content. An efficient antioxidant mechanism was present in quinoa, activated by salts during germination and early seedling growth, as shown by the activities of antioxidant enzymes. Total antioxidant capacity was always higher under salt stress than in water. Moreover, osmotic and ionic stress factors had different degrees of influence on germination and development.

U2 - 10.1093/aobpla/plu047

DO - 10.1093/aobpla/plu047

M3 - Journal article

C2 - 25139769

VL - 6

JO - AoB PLANTS

JF - AoB PLANTS

SN - 2041-2851

M1 - plu047

ER -

ID: 129573862