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cngc16 pollen show poor growth and bursting when germinated in vitro. Pollen grains were harvested from plants grown under normal conditions. Germination and growth were allowed to proceed for approximately 12 h on a standard in vitro agar-based growth medium containing 1 mm CaCl2. Values represent means ± sd of three to five independent experiments, each with approximately 200 pollen grains. wt, Wild type.
