Ross, J J; Miraghazadeh, Bahar; Beckett, Amelia H; Quittenden, Laura J; McAdam, Erin L
In this chapter we discuss interactions between the gibberellins (GAs) and other plant hormones. Auxin and ethylene exert strong effects on GA levels, and at least some of the physiological responses to auxin are mediated by increased GA content. Abscisic acid (ABA) and GA appear to negatively regulate each other's levels in seeds, consistent with their antagonistic effects on germination. It has been suggested that several non-GA hormones affect the stability of DELLAs, the key signalling...[Show more]
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