1987年9月,我所在连云港市境内进行疫情调查时,首次在连云港至猴咀的铁路沿线发现世界十大恶性杂草之一——假高粱,后通知有关部门作了一定的处理。最近我们对原铁路沿线又作了一次普查,发现假高梁除少部分被修路毁坏外,大部分仍生长旺盛,且大部分已抽穗扬花,有的已成熟。据了解,1987年秋末有些植株已被人割走作柴火,因此很易带走传播。为彻底清除这一恶性杂草,便于群众识别,现根据我们试验栽培观察的结果,将其生物学特征特性及其危害情况简要介绍如下。 In September 1987, when I conducted an epidemic investigation in Lianyungang City, I discovered for the first time that fake sorghum, one of the ten worst weeds in the world, was found along the railway line from Lianyungang to Monkey’s Tui and notified the departments concerned to do some work. Recently, we conducted another census along the original railway line. We found that most of the fake beams were still flourishing except for a small part of them being repaired by road construction. Most of them were heading for flowering and some were mature. It is understood that in late autumn 1987 some plants have been cut for firewood, it is easy to take away the spread. In order to completely eliminate this malignant weeds, easy to identify the masses, are based on the results of our experimental cultivation observations, its biological characteristics and harm are briefly described below.