Treatment method for boron deficiency is the application of fertilizer with boron or application of boron directly to the plants. The requirement of this element in plants is in a narrow range between boron deficiency and toxicity (Chapman et al. 1997). This makes it quite difficult to manage. However, if the expression of genes related to boron metabolism is well understood, it will facilitate boron management more efficiently in the plants. Thus, this research was aimed to clone partial length of BOR1 cDNA from oil palm, sugarcane and physic nut and study the expression of the gene under boron deficiency. This will be the starting point for understanding boron metabolism related gene which will eventually lead to better boron management and/or plant breeding program for boron deficiency tolerant cultivars.