Morphological and molecular characterization of branching in red clover (Trifolium pratense)

Gerda Cnops, Isabel Roldan-Ruiz, Annemie Van Minnebruggen, Antje Rohde, Judith Van Dingenen, Erik Van Bockstaele

Research output: Chapter in Book/Report/Conference proceedingC1: Articles in proceedingspeer-review


Clover is an essential element of sustainable grasslands. Clover reduces
the need for nitrogen fertilizer and results in improved nutritional value of grasslands. Plant architecture, which is under genetic and environmental control, may have a strong influence on traits such as forage yield, re-growth capacity, seed yield and persistence in red clover. The genetic aspect of branching has been widely studied in model plants but has received little attention in red clover. Our present aimis to translate the knowledge regarding genes involved in bud outgrowth from model plants to red clover. Branching was studied in two environments during one growing season in clonal replicates of two genotypes with contrasting architecture, a highly branched and prostrate genotype (Crossway_2), and a poorly branched and erect genotype (Diplomat_8). The number of nodes and the quantity as well as the position of bud outgrowth into branches differed greatly between genotypes and were similar across both environments. The influence of auxin and strigolactone on bud outgrowth was investigated by applying these hormones to isolated single node segments. Furthermore, genes from the strigolactone pathway were isolated from red clover and theirexpression was studied in various tissues of the two genotypes.
Original languageEnglish
Title of host publicationBreeding strategies for sustainable forage and turf grass improvement
Number of pages7
Publication date2012
ISBN (Print)978-94-007-4554-4
ISBN (Electronic)978-94-007-4554-1
Publication statusPublished - 2012
EventConference of the Eucarpia Fodder and Amenity Species Section Location: Dublin, Ierland Date: 2011 - Dublin, Ireland
Duration: 4-Sep-20118-Sep-2011


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