Basic mutant information   
Mutant name ga1-3 gai-t6 rga-t2 rgl1-1 rgl2-1
Mutant/Transgenic mutant
Ecotype Col-0
Mutagenesis type cross
(Semi-)Dominant/Recessive recessive
Description ga1-3 gai-t6 rga-t2 rgl1-1 rgl2-1 mutants exhibit early senescence
References
1: Chen M, Maodzeka A, Zhou L, Ali E, Wang Z, Jiang L.
Removal of DELLA repression promotes leaf senescence in Arabidopsis.
Plant Sci. 2014 Apr;219-220:26-34. doi: 10.1016/j.plantsci.2013.11.016. Epub 2014 Jan 17.

Mutated genes   
Mutated Gene 1 Locus name AT1G14920
Alias GAI
Organism Arabidopsis thaliana
Description GIBBERELLIC ACID INSENSITIVE
Mutated Gene 2 Locus name AT2G01570
Alias RGA
Organism Arabidopsis thaliana
Description REPRESSOR OF GA1-3
Mutated Gene 3 Locus name AT1G66350
Alias RGL1
Organism Arabidopsis thaliana
Description RGA-LIKE1
Mutated Gene 4 Locus name AT3G03450
Alias RGL2
Organism Arabidopsis thaliana
Description RGA-LIKE2
Mutated Gene 5 Locus name AT5G17490
Alias RGL3
Organism Arabidopsis thaliana
Description RGA-LIKE3
Phenotype information   
Natural senescenceLeaf coloryellow