Introducing selective agrochemical manipulation of gibberellin metabolism into a cereal crop.

Juan Zhang, Yushi Zhang, Jiapeng Xing, Haiyue Yu, Rui Zhang, Yiyao Chen, Delin Zhang, Ping Yin, Xiaoli Tian, Qiang Wang, Liusheng Duan, Mingcai Zhang, Reuben J Peters, Zhaohu Li

Nature plants 2020 Feb

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Use of growth retardants enables post-planting optimization of vegetative growth, which is particularly important given ongoing climate change. Mepiquat chloride is an economical and safe retardant widely applied in cotton farming, but it is not uniformly effective. Here, identification of its molecular target as the ent-copalyl diphosphate synthase that initiates gibberellin biosynthesis enabled the introduction of selective agrochemical inhibition, leaving intact more specialized metabolism important for resistance to biotic and abiotic stresses.

Citation

Juan Zhang, Yushi Zhang, Jiapeng Xing, Haiyue Yu, Rui Zhang, Yiyao Chen, Delin Zhang, Ping Yin, Xiaoli Tian, Qiang Wang, Liusheng Duan, Mingcai Zhang, Reuben J Peters, Zhaohu Li. Introducing selective agrochemical manipulation of gibberellin metabolism into a cereal crop. Nature plants. 2020 Feb;6(2):67-72