No signifi cant change in chlorophyll contents was observed between MeJA, ETH and 1-MCP treatments and control except an evident decline at 6 d by MeJA and 1-MCP handlings (Fig. 3). Similar to
carotenoids, the chlorophyll content displayed a significant accumulation at 1 d by Control/SA, which was as high as 194% of the control,
and a notable reduction at 6 d by SA/SA (Fig. 3)