The writer has been in Canada for more than three years. He is now working at a large ornamental nursery in Vanconvor of British Columbia, specialized in propagation and cultivation of ornamental trees and shrubs. He ...
This project was supported by the National Natural Science Foundation of China
Differential thermal analysis was utilized to determine midwinter hardiness of stem tissues and flower buds of mei flower (Prunus mume) and David’s peach (Prunus davidiana). Low temperature freezing exotherms were fo...