1.Maynard B K,Bussuk N L.Stock plant etiolation,shading,and banding effects on cutting propagation of Carpinus betulus[J].Journal of the American Society for Horticultural Science,1992,117(5):740-744.
[2]
2.Maynard B K,Bussuk N L.Effects of stock plant etiolation,shading,banding,and shoot development on histology and cutting propagation of Carpinus betulus L.‘fastigata’[J].Journal of the American Society for Horticultural Science,1996,121(5):853-860.