【摘要】 本试验通过对苋属植物细胞染色体数目的研究,对用不同前处理方法分散它们的染色体效果和不同取材时间积累中期相的效果有了一定了解,并初步确定了这些苋的染色体数目。更多还原

【Abstract】 In this paper,the chromosome number of Amaranthus has been investiga- ted,and some of theirs about the chromosome number are reported for the first time.Besides,author has also acouired a bit of useful information on obtaining metaphase through applying different treatment method in advance to dispers these chromosome and the time of drawing materials.更多还原