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. 2019 Jul 31;20(15):3731. doi: 10.3390/ijms20153731

Figure 8.

Figure 8

Expression analysis of ethylene (ET) biosynthesis genes, LlACS (A), and LlACO (C), (related to LlACT) and endogenous level of ET precursor-ACC in floral abscission zone (AZ) of Lupinus luteus grown under drought conditions. Control plants were cultivated in soil of optimal moisture (70% WHC). Part of plants was subjected to drought conditions for 2 weeks (25% WHC). AZs were harvested on the 48th and 51st days of cultivation. Data are presented as averages ± SE. For LlACS expression, significant differences in stressed plants in comparison to control plants are indicated as ** p < 0.01, and significant differences in 51-day-old control plants in comparison to 48-day-old plants are indicated as a p < 0.05. For LlACO expression, significant differences in stressed plants in comparison to control plants are indicated as ** p < 0.01, significant differences in 51-day-old control plants in comparison to 48-day-old plants are indicated as aa p < 0.01, and significant differences in 51-day-old stressed plants in comparison to 48-day-old stressed plant are indicated as b p < 0.05. For ACC content, significant differences in stressed plants in comparison to control plants are indicated as ** p < 0.01, significant differences in 51-day-old control plants in comparison to 48-day-old plants are indicated as aa p < 0.01, and significant differences in 51-day-old stressed plants in comparison to 48-day-old stressed plant are indicated as b p < 0.05 (Student’s t-test).