The study is using the Russian wildrye variety ( Psathyrostachys juncea Nevsiki.CV.Mengnong No.4 )and induced autotetraploid as the materials. The morphological characteristics,cytological characteristics and physiological and biochemical characteristics were analyzed.The results are concluded as follows:
1 The height, leaf length and width of the tetraploid Russian wildrye pl-ant significantly. Leaf color deeper than the diploid plants,roughness also increased.
2 The chromosome numbers ...