Ethylene resistance in flowering ornamental plants – improvements and future perspectives

Various strategies of plant breeding have been attempted in order to improve the ethylene resistance of flowering ornamental plants.

These approaches span from conventional techniques such as simple ...

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View all journals Saved research Search Account Log in Content Explore content About the journal Publish with us RSS feed Ethylene resistance in flowering ornamental plants – improvements and future perspectives Download PDF Download PDF Review Article Open access Published: 26 August 2015 Ethylene resistance in flowering ornamental plants – improvements and future perspectives Andreas Olsen 1 , Henrik Lütken 1 , Josefine Nymark Hegelund 1 & … Renate Müller 1 Show authors Horticulture Research volume 2 , Article number: 15038 ( 2015 ) Cite this article Various strategies of plant breeding have been attempted in order to improve the ethylene resistance of flowering ornamental plants.

These approaches span from conventional techniques such as simple cross-pollination to new breeding techniques which modify the plants genetically such as precise genome-editing.

The main strategies target the ethylene pathway directly; others focus on changing the ethylene pathway indirectly via pathways that are known to be antagonistic to the ethylene pathway, e.g.

Many of the known elements of the ethylene pathway have been addressed experimentally with the aim of modulating the overall response of the plant to ethylene.

Elements of the ethylene pathway that appear particularly promising in this respect include ethylene receptors as ETR1, and transcription factors such as EIN3.

Both direct and indirect approaches seem to be successful, nevertheless, although genetic transformation using recombinant DNA has the ability to save much time in the breeding process, they are not readily used by breeders yet.

This is primarily due to legislative issues, economic issues, difficulties of implementing this technology in some ornamental plants, as well as how these techniques are publically perceived, particularly in Europe.

Recently, newer and more precise genome-editing techniques have become available and they are already being implemented in some crops.