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001-es BibID:BIBFORM079348
Első szerző:Digruber Tamás
Cím:Stimulation of energy willow biomass with triacontanol and seaweed extract / Digruber Tamás, Sass László, Cseri András, Paul Kenny, Nagy Anna V., Remenyik Judit, Molnár István, Vass Imre, Toldi Ottó, Gyuricza Csaba, Dudits Dénes
Dátum:2018
ISSN:0926-6690
Megjegyzések:Biomass productivity of shrub willow plants grown in short rotation system can be improved by genetic means orby innovative cropping technologies. In the present study we analyzed the growth and physiological responses ofwillow plants to plant biostimulators, such as 1-triacontanol (TRIA), a saturated primary alcohol and seaweedextract (Kelpak?). Testing a novel approach, we soaked stem cuttings in TRIA or Kelpak solutions for 48 h beforeplantation. These treatments enlarged height and diameter of stems, furthermore increased stem and leafweights in comparison to the water control. In agreement with these greenhouse observations,field tests showedstatistically significant enhancement in height and diameter of woody stems harvested in winter. Application of25% Kelpak solution was the most effective in stimulating all traits including stem weight per plant after pre-planting treatment of cuttings. In an alternative treatment protocol, Kelpak was applied as foliar treatment or incombination between TRIA (10 mg L?1) treatment of cuttings and foliar spray with Kelpak 1 or 2% solutions inthe greenhouse. The green pixel numbers revealed variable degrees of stimulation in shoot growth. Thesetreatments resulted in an increase in stem and leaf weights. Improvement of photosynthetic functions was in-dicated by more efficient electron transport rates (ETRs) of photosystems. An increased nicotinamide andthiamine contents were detected in the leaves of stimulated plants. The present study can serve as a foundationfor additional laboratory andfield studies optimizing the application of these stimulators in energy plantations.
Tárgyszavak:Természettudományok Kémiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
Phenotyping
Organ size
Woody stem
Photosynthesis
Thiamine
Nicotinamide
Megjelenés:Industrial Crops And Products. - 120 (2018), p. 104-112. -
További szerzők:Sass László Cseri András Kenny, Paul Nagy Anna V. Gálné Remenyik Judit (1965-) (kémia tanár, okleveles vegyész) Molnár István Vass Imre Toldi Ottó Gyuricza Csaba (1973-) Dudits Dénes
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