前　　言　　在新世纪开初 ,欣逢《植物生理学通讯》创刊 5 0周年。本刊新组建的编委会决定循 4 0周年时的前例 ,也举行一次活动(包括出版“特辑”和召开座谈会 )。于是我们约请了一些人士撰写了纪念文稿 ,同时也收到了一些自发来稿 ,编辑了这个“特辑”。作者从九十高龄的娄成后先生 ,直到年轻的在读研究生 ,他们在文章中高度评价了本刊的作用和成就 ,同时也对本刊寄予了殷殷厚望 ,可以说代表了当今植物生理学界几代人的心声。这里 ,谨向他们表示由衷的感谢 !文稿中大都冠有“祝贺《植物生理学通讯》创刊 5 0周年”的副标题 ,为避免重复 ,一律舍去了。还有几篇文章题目雷同 ,我们作了改动。并此说明。———编者 Foreword At the beginning of the new century, Xinrui celebrated the 50th anniversary of the founding of Plant Physiology Communication. The newly formed Editorial Board decided to follow the 40th anniversary of the previous cases, but also held an event (including the publication of “special edition” and held a forum). So we invited some people to write memorials, but also received some spontaneous contributions, edited the “special edition.” The author from 90-year-old Mr. Lou Chenghou, until the young graduate students, they spoke highly of the publication’s role and achievements in the article, but also placed high hopes on this publication can be said to represent the current plant physiology community a few Generation of aspirations. Here, I would like to express my heartfelt thanks to them! Most of the submissions have been subtitled “Congratulations” on the 50th anniversary of the founding of Plant Physiology, beginning with no duplication. There are several articles the same title, we made changes. And this description. ---editor