The general situation of plant introduction and acclimatization in Hunan province has been summarized by the author.the history can be divided into two nature epoch:the spontaneous and scattered epoch of plant introduction before liberation and the organized and numerous epoch of plant introduction after liberation.The latter include three phases of plant introduction blindness phase,experimental phase and scientific phase.Abundant successful experience has been accumulated which have resulted in great economic benefits, at the same time,many lessons have been learn from the failures during mo...
