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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Isoprene emission-free poplars - a chance to reduce the impact from poplar plantations on the atmosphere.
New Phytol. 194, 70-82 (2012)
Depending on the atmospheric composition, isoprene emissions from plants can have a severe impact on air quality and regional climate. For the plant itself, isoprene can enhance stress tolerance and also interfere with the attraction of herbivores and parasitoids. • Here, we tested the growth performance and fitness of Populus × canescens in which isoprene emission had been knocked down by RNA interference technology (PcISPS-RNAi plants) for two growing seasons under outdoor conditions. • Neither the growth nor biomass yield of the PcISPS-RNAi poplars was impaired, and they were even temporarily enhanced compared with control poplars. Modelling of the annual carbon balances revealed a reduced carbon loss of 2.2% of the total gross primary production by the absence of isoprene emission, and a 6.9% enhanced net growth of PcISPS-RNAi poplars. However, the knock down in isoprene emission resulted in reduced susceptibility to fungal infection, whereas the attractiveness for herbivores was enhanced. • The present study promises potential for the use of non- or low-isoprene-emitting poplars for more sustainable and environmentally friendly biomass production, as reducing isoprene emission will presumably have positive effects on regional climate and air quality.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
biomass production; modelling; non-isoprene emitting; outdoor conditions; Populus canescens
ISSN (print) / ISBN
0028-646X
e-ISSN
1469-8137
Zeitschrift
New Phytologist
Quellenangaben
Band: 194,
Heft: 1,
Seiten: 70-82
Verlag
Wiley
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Research Unit Environmental Simulation (EUS)