Studies on the chromosome number of some species of Amaranthus plant
1987
Xu Yubin (Jilin Inst. of Biology, changchun (China))
The chromosome number of Amaranthus was investigated. It showed that the chromosome number of 8 sp. of Amaranthus including 4 sp. of A. paniculatus and 4 sp. of A. caudatus is 2n=32, 2n=34, and one of A. caudatus is 2n=30, which is different from that reported by Grant, william F. (1959). According to Grant, the chromosome number of Amaranthus is 2n=32 and 2n=34, except A. dubius (2n=64). The different pretreatment methods for dispersing the chromosomes and the time for taking tested materials from plants are discussed.
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