Apoptosis and the tolerance of plantlets of Acacia implexa treated in vitro with cold stress were studied by microphotographics and total DNA agarose gel electrophoresis.

利用显微观察和DNA凝胶电泳等技术，研究在低温胁迫诱导下灰木相思组培苗细胞的凋和对低温环境的耐受性。