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SUMMARY:Marked Inter- and Intraspecific Duckweed Diversity Enables Selecti
 on of More Suitable Genotypes for the Valorization of Raw Dairy-wastewater
DTSTART;VALUE=DATE-TIME:20260929T160000Z
DTEND;VALUE=DATE-TIME:20260929T161500Z
DTSTAMP;VALUE=DATE-TIME:20260917T095800Z
UID:indico-contribution-2934@cern.ch
DESCRIPTION:Speakers: Cristian Perna (Institute of Agricultural Biology an
 d Biotechnology - National Research Council (IBBA-CNR))\nEffluents generat
 ed by the dairy sector constitute a nutrient-rich matrix with a\nsignifica
 nt environmental impact. Conventional treatments are generally energy-inte
 nsive and\nbased on biological oxidation\, leading to nutrient dissipation
  and secondary waste products.\nPhytoremediation emerge as sustainable str
 ategy for nutrient recovery and biomass\nproduction within a circular econ
 omy framework. Duckweeds are particularly attractive for\nthese applicatio
 ns\, and their nutritional properties open perspectives as feed supplement
 s.\nTheir remarkable biodiversity\, characterized by extensive genetic var
 iability\, polyploidization\nand hybridization\, translates into adaptabil
 ity to heterogeneous aquatic environments. Such\ndiversity likely correspo
 nds to a wide spectrum of functional traits suitable to phytoremediation\n
 systems. This work explores the diversity of autochthonous (EU) duckweed c
 lonal accessions\nsourced from the IBBA collection\, representative of mul
 tiple taxonomic levels\, including\nspecies from different genera\, genoty
 pes within the same species\, allopolyploids and their\nparental species. 
 Tested accessions were evaluated for their growth performance on dairy\nwa
 stewater. Microbial community dynamics were also investigated in order to 
 explore the\ncontribution of cooperative plant–microbe interactions.\nSp
 ecific harsh growth conditions favoured certain species and clones over ot
 hers\, revealing\nlarge inter- and intraspecific variability. Two accessio
 ns emerged as the best-performing:\nLemna minor (#5500) and its natural al
 lotriploid Lemna × mediterranea (#LER0021). Further\ncharacterization of 
 their physiological and biochemical traits\, e.g. pigment and protein cont
 ent\,\noxidative stress markers as well as nutrient depletion efficiency\,
  revealed two distinctive eco-\nphysiological strategies.\n\nhttps://indic
 o.unina.it/event/117/contributions/2934/
LOCATION: Sala Monumentini
URL:https://indico.unina.it/event/117/contributions/2934/
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