Barely Significant

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Based on the above findings, it was speculated that the overexpression of ZmERS4 in rice could enhance the binding between ZmERS4 with ethylene, which could in turn partially suppress the plant growth, resulting in a decreasing trend in traits, such as effective tiller number and seed setting rate.
RH showed a trend of first increasing and then decreasing, whereas XGY demonstrated a gradual decline in concentration, with the concentration after two years being only 8.72% of that after half a year ( Fig 2b ). 3.4 Changes in the concentrations of the two PECs The content of 2-(2-phenethyl) chromone and 2-[2-(4-methoxy) phenethyl] chromone are two crucial PECs for evaluating the quality of Qi-Nan.
The concentration of PM2.5 shows an overall trend of fluctuating decline The variation range of PM2.5 concentration in the three urban agglomerations is significantly different, and the average annual concentration from 2005 to 2020 shows a fluctuating downward trend ( Fig 2 ), ( Fig 3 ).
The impact of urban expansion (X8) showed a trend of spreading from PRD to BTH, suggesting that under the support of natural geographical conditions, the cities in BTH are more conducive to enhancing the pollution reduction effect through the expansion of built-up areas than those in PRD, while the effect on BJH is not significant.