During the vegetative growth period, SD showed a significant change, and five stomatal size-related traits (SW, SL, SA, SP, SCA) and three stomatal shape traits (PSCA, GCPA) showed a decreasing trend.
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Analysis of stomatal characteristics of maize hybrids and their parental inbred lines during critical reproductive periods.
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The sentences
In the aging period, SD changed significantly at each sampling time point, indicating that the distribution of stomatal number changed significantly with leaf senescence and showed a trend of increasing and then decreasing. one stomatal size trait (SW) and two stomatal shape traits (SR and PGCPA) showed a trend of decreasing, one stomatal size trait (SL) and one stomatal shape trait (SE) showed a trend of increasing, while the remaining stomatal size traits (SA, SP, SCA, and GCPA) and stomatal shape trait (PGCPA) showed a trend of decreasing and then increasing trend. 3.4.
On the contrary, SD, SR, SE and PGCPA showed an increasing trend.
There was a highly significant negative correlation between PSCA and PGCPA (r = -1.0), a significant negative correlation between SR and SE (r = -0.42), and no significant correlation between the rest of the shape traits (r > -0.30). 3.3.