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2017 | 16 | 3 |

Tytuł artykułu

Inducing salt tolerance in french marigold (Tagetes patula) through seed priming

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The present study investigates the potential of seed priming for induction of salt tolerance in French marigold at early growth stage. Treatments were combination of priming techniques viz. hydropriming, halopriming (50 mM CaCl2), hormonal priming with salicylic acid (100 ppm) and ascorbate priming (100 ppm) each for 24 h. Primed seeds were exposed to salinity levels (0; 50 and 100 mM NaCl) during germination and emergence assays. All priming treatments hastened germination and emergence attributes under saline or non-saline conditions as compared to those of non-primed (control) seeds. Seeds of French marigold primed with ascorbate followed by CaCl2, salicylic acid and hydropriming enhanced final germination, speed of germination, root and shoot length and dry mass of French marigold seedlings. This was interpreted by minimized mean emergence time and time to 50% emergence. Additionally, it was also observed that all priming agents particularly calcium salt and ascorbate maintained ionic homeostasis in salt stressed seedlings. It is concluded that CaCl2, ascorbate and salicylic acid were the most effective priming agents to ameliorate the adverse effects of salinity in French marigold due to lower uptake of Na+ and higher uptake of K+ in the seedlings.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

16

Numer

3

Opis fizyczny

p.109-118,fig.,ref.

Twórcy

autor
  • Seed Physiology Lab, Department of Agronomy, University of Agriculture Faisalabad, Pakistan
autor
  • Institute of Horticultural Sciences, University of Agriculture Faisalabad, Pakistan
autor
  • Institute of Horticultural Sciences, University of Agriculture Faisalabad, Pakistan
autor
  • Institute of Horticultural Sciences, University of Agriculture Faisalabad, Pakistan
autor
  • Faculty of Agriculture Bahauddin Zakariya University, Multan, Pakistan
  • Seed Physiology Lab, Department of Agronomy, University of Agriculture Faisalabad, Pakistan

Bibliografia

  • Afzal, I., Rauf, S., Basra, S.M.A., Murtaza, G. (2008). Halopriming improves vigor, metabolism of reserves and ionic contents in wheat seedlings under salt stress. Plant Soil Environ., 54, 382–388.
  • Afzal, I., Ashraf, S., Qasim, M., Basra, S.M.A., Shahid, M. (2009). Does halopriming improve germination and seedling vigor in marigold (Tagetes spp.). Seed Sci. Technol., 37, 436–445.
  • Afzal, I., Basra, S.M.A., Cheema, M.A., Farooq, M., Jafar, M.Z., Shahid, M., Yasmeen, A. (2013). Seed priming: A shotgun approach for alleviation of salt stress in wheat. Int. J. Agric. Biol., 15, 1199–1203.
  • Al-Karaki, G.N. (2000). Growth, water use efficiency, and sodium and potassium acquisition by tomato cultivars grown under salt stress. J. Plant Nutr., 23, 1–8.
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  • Mukhtar, K., Afzal, I., Qasim, M., Basra, S.M.A., Shahid, M. (2013). Does priming promote germination and early stand establishment of french marigold (tagetes patula L.) seeds by inducing physiological and biochemical changes? Acta Sci. Pol. Hortorum Cultus, 12, 13–21.
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-41ba6aab-e370-42cf-84a0-0661e0720826
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