sporeless ,asporous

Results An endophytic fungus which is Mycelia sterilia 97CY_3 can produce vincristine.

结果　从长春花叶中分离筛选到一株无孢菌群菌株 :97CY3。

The fung us of order Mycelia was 27.

无孢目（Ｍｙｃｅｌｉａ）占总数的２８１％，西双版纳基质中无孢群占无孢群菌数的８５％。

Facultative Apospory in Tetraploid Paspalum distichum L.;

四倍体双穗雀稗兼性无孢子生殖的研究

The results firstly show that the mode of reproduction conforms to apospory.

研究绵刺 (Potaniniamongolica)的胚胎发育过程 ,首次报道其有性生殖模式为无融合生殖的体细胞无孢子生殖 (Apospory) ,由合点端珠心细胞形成 3～ 7个无孢子孢原 ,孢原细胞体积增大 ,形成单核胚囊 ,后经 3次有丝分裂形成多个八核七细胞的成熟胚囊 ,胚囊发育属山柳菊型。