杂草标本的采集与制作,对植保工作者,尤其对杂草研究工作者来说,显得更为重要。现简介如下: (一) 采集杂草和制作标本所需的用具 (1) 铁锹:采集各种作物的田间杂草时,需连根一起挖。(2)塑料袋:把连根掘起的整株杂草暂放入塑料袋。(3)标本夹:用木条钉成,大小规格可根据需要。我们所制的标本夹为38cm×31cm。在 Weed specimens collection and production, plant protection workers, especially weed researchers, it is even more important. Are briefings are as follows: (a) acquisition of weeds and the necessary specimens for the production of specimens (1) Shovel: a variety of crop field weeds collected, the need to dig together roots. (2) plastic bags: dig up the entire rooted weeds temporarily into plastic bags. (3) specimen folder: nailed into the wood, size specifications according to needs. We made the specimen folder 38cm × 31cm. in