结果表明，与对照相比，铜、镉处理降低了小麦叶片、茎鞘、颖壳等营养器官花前贮藏物质再运转量和再运转率以及花前营养器官总运转量和运转率，降低了粒重。

The results showed that, compared with CK, Cu, Cd reduced the amounts and remobilization rate of pre-anthesis stored assimilates and total amount of pre-anthesis stored assimilate and grain weight.

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