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. 2023 Aug 10;10(9):uhad162. doi: 10.1093/hr/uhad162

Figure 6.

Figure 6

Overexpression of CsS40 affects senescence resistance in tea plants. (a) Model of shoot sampling, including the young leaves, the mature leaves, and the senescent leaves. (b) The relative expression of CsS40 in the leaves of ‘Fuding Dabaicha’s with differing degrees of senescence. (c) Caffeine content in the leaves of ‘Fuding Dabaicha’s with differing degrees of senescence. (d) Senescence of wild-type tobacco leaves and those overexpressing pSH737-35S-CsS40. (e–g) Wild-type tobacco leaves and those expressing pSH737-35S-CsS40 were treated with ethrel solution, following which the chlorophyll content, SOD-like activity, MDA content, and LOX activity were measured. WT, non-transgenic tobacco designed as a control; NtpSH, transgenic tobacco overexpressing CsS40 (*P < 0.05; **P < 0.01).