3.3.2 Changes of stem base width and thickness With the development of the rice mesocotyl, the stem base width and thickness of each group of the two rice varieties showed an increasing trend ( Figure 6 ), and the growth of stem base width and thickness was accelerated in the late stage of mesocotyl senescence.
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Importance of controlling mesocotyl elongation in the development of rice seedlings intended for mechanical transplantation.
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The results of this experiment showed that, with an increase in seedling age, the seedling height showed a trend of M2 > M1 > M0, and the seedling mesocotyl length in all groups showed a trend of an initial increase followed by a decrease, reaching a maximum at 26 days.