Lielais laimiņš (Sedum maximum) kā modeļsuga smago metālu ietekmes un uzņemšanas fizioloģijas pētījumos

6533b823fe1ef96bd127f01f

RESEARCH PRODUCT

Lielais laimiņš (Sedum maximum) kā modeļsuga smago metālu ietekmes un uzņemšanas fizioloģijas pētījumos

Irina Jožikova

subject

fitoekstrakcija lielais laimiņš hlorofila a fluorescence hiperakumulatori Bioloģija hlorofils

description

Darbā ir apkopota informācija par augu hiperakumulācijas spējām. Darba mērķis bija pārbaudīt iespēju izmantot lielo laimiņu smago metālu ietekmes un uzņemšanas pētījumos kontrolētos apstākļos un eksperimentāli noteikt biogēno metālu varu, cinku, mangānu un nātriju uzkrāšanos augos, kas audzēti metālu dažādu koncentrāciju ietekmē. Fizioloģiskās atbildes pētījumiem mērīja hlorofila saturu un hlorofila a fluorescenci, beigās noteica metālu saturu dažādās auga daļās. Darba rezultātā secināts, ka lielais laimiņš spēj efektīvi uzkrāt mangānu un cinku virsmezes orgānos, mangāns tika uzkrāts lielos daudzumos. Varš un nātrijs arī tika uzkrāti, bet pie lielajām nātrija koncentrācijām tika pamanāmi kavēta augu attīstība un augšana. Hlorofila saturs lapās un hlorofila a fluorescence arī tika ietekmēti, bet augi spēja pielāgoties. Lielais laimiņš var būt potenciāli izmantots fitoremediācijas nolūkos.

year	journal	country	edition	language
2018-01-01

https://dspace.lu.lv/dspace/handle/7/40494

PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
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  - PE2_2 Phenomenology of fundamental interactions
  - PE2_3Experimental particle physics with accelerators
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  - PE2_6Nuclear, hadron and heavy ion physics
  - PE2_8Gas and plasma physics
  - PE2_5Classical and quantum physics of gravitational interactions
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  - PE2_10Atomic, molecular physics
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  - PE2_16Non-linear physics
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- PE1Mathematics
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SHSocial Sciences and Humanities
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