Spraying 6-BA could alleviate the harmful impacts of waterlogging on dry matter accumulation and grain yield of wheat

<b>Fig. 1. </b>Rainfall in 10-days of each month during the whole wheat season at Jingzhou weather station from 1983 to 2012. (Values of each month is the means from 1983 to 2012) <b>Fig. 2. </b>Monthly average temperature and total rainfall during wheat growing seasons at experimental station from 2011 to 2013. <b>Fig. 3.</b> The effect of different treatments on the aboveground biomass production at maturity.<b></b> <b>Fig. 4. </b>The effect of different treatments on photosynthetic rate of flag leaf after booting stage. <b>Fig. 5.</b> The effect of different treatments on MDA content in flag leaf (a, c) and the third leaf (b,d) at 25 DAA (2011-2012 and 2012-2013). <b>Fig. 6. </b>The effect of different treatments on the root activities at 0-20 cm soil layers after booting stage.<b>Table 1.</b> Wheat major growth stages in the two growing seasons. Dates are mean values of treatments.<b>Table 2.</b> Effect of different treatments on grain yield, kernel number per spike and 1000 kernel weight.