Conclusion The chromosome aberrations test by micro whole blood culture in vacuum blood collection tube is easier and efficient, and is worthy of being widely popularized.
结论微量全血真空采血管培养法可用于染色体的培养及畸变的检测，简便、有效，值得推广。
2
We adopt a new in vitro culture technique. including obtaining of aseptic seedling, testtube grafting, joint callus proliferation and plantlet regeneration fron callus.
Based on the experiment, the enumeration method of Bifidobacterium by rectangular testtube was put forward, according to the anaerobic specificity of double layer half solid culture.