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Cytokinins and endosperm cell number in rice
Cytokinin concentrations in rice endosperm and roots together with cell division in endosperm are examined by Yang et al. (pp. 369-377). They show that cell number and cell division in rice endosperm are regulated by cytokinins in the endosperm, and that root-derived zeatin and zeatin riboside may play a pivotal role.
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