硼是植物所必需的微量元素之一。通常双子叶植物含硼量比单子叶植物高。据化验,单子叶植物含硼为2～11ppm,双子叶植物含硼为8～95ppm。双子叶植物又以豆科和十字花科植物含硼量为最高。植物不同器官含硼量也有差异,小麦叶片中含硼量比茎高4～9倍,穗的含硼量介于茎叶之间,籽粒中含硼量较低,花的含硼量也很高,子房和柱头含硼量最高。 Boron is one of the trace elements essential for plants. Usually dicotyledons contain more boron than monocotyledons. According to the test, monocotyledons containing boron is 2 ~ 11ppm, dicotyledonous plants containing boron is 8 ~ 95ppm. Dicotyledonous legumes and crucifer plants again with the highest amount of boron. There are also differences in the amount of boron in different organs of plants. The content of boron in wheat leaves is 4 to 9 times higher than that in stems. The content of boron in ears is between that of stems and leaves. The content of boron in grains is low, and the content of boron in flowers is also very high High, ovary and stigma contain the highest amount of boron.