小麦由于缺硼导致不结实现象在世界很多国家都有发生 [1]。王运华等 [2 ]报道过硼对棉花叶柄中酶活性的影响。缺硼与小麦体内过氧化物酶及多酚氧化酶的活性存在什么关系尚不清楚 ,因此有必要对其进行探讨。1　材料与方法试验于 1 998年在东北农业大学网室内进行 ,采用 Hoagland The lack of boron in wheat leads to unproductive phenomena in many countries of the world [1]. Wang Yunhua et al [2] reported that boron on cotton leaves petiole enzyme activity. What is the relationship between boron deficiency and the activity of peroxidase and polyphenol oxidase in wheat is not clear, so it is necessary to discuss it. 1 Materials and methods The experiment was conducted in Northeast China Agricultural University net room in 1998, using Hoagland