6.2 THE BIOLOGY OF PLANT SENESCENCE

6.2.1 Mitotic senescence occurs in cells of the apical meristem

6.2.2 Post-mitotic plant senescence involves programmed and stochastic processes

6.2.3 Leaves of Arabidopsis thaliana are the model for plant senescence

6.2.4 Leaf senescence is a three-step process

6.2.5 Monosaccharides have an important role in leaf senescence

6.2.6 Breakdown of the chloroplast provides nitrogen and minerals for other plant organs

6.2.7 Catabolic by-products may stimulate expression of genes involved in organelle dismantling

6.2.8 Plant membranes degrade during leaf senescence

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