Tissue culture methods were used to study the autotoxic effects of root exudation on the growth of second-batch seedlings of Paeonia ostii embryo seedlings.

• 摘要利用组织培养技术研究了不同生长时期的凤丹种胚组培苗根系分泌物抑制二茬培养苗生长的自毒作用。