1·The experimental results show that the mass concentration of cytokinin and the composition of the basic media have significant effects on the vitrification of plantlets of Aloe vera L. in vitro.
实验结果表明：细胞分裂素的质量浓度和基本培养基成分对离体培养中的美国芦荟组培苗的玻璃化现象有显著影响。
2·The exogenous auxin and cytokinin are necessary to induced differentiation and proliferation of cells of culture in vitro. 2,4-D is an important hormone of induced embryogenic calluses.
外源生长素和细胞分裂素是诱导离体培养细胞分化与增殖所必需的，2，4-D是诱导胚性愈伤组织的重要激素。
3·Changes of the activity of IAA oxidase, tryptophan synthetase and cytokinin oxidase in sterile anther, leaf and ovule were similar to those of phytohormones.
棉花细胞质雄性不育花药、叶片和胚珠中，IA A氧化酶、色氨酸合成酶和细胞分裂素氧化酶活性的变化与内源激素含量的变化基本一致。
4·The activities of IAA oxidase and cytokinin oxidase were studied during the senescence induced by inorganic nutrition deprivation using detached rape cotyledons.
以离体油菜子叶为材料，研究了营养胁迫诱导的子叶衰老过程中吲哚乙酸氧化酶（IAA氧化酶）和细胞分裂素氧化酶活性的变化。
5·The effects of pre-medium auxin, cytokinin etc. on the callus growth, root and shoot differentiations were investigated. The way of regeneration from callus was studied.
研究了前培养基中生长素、细胞分裂素等附加成分对愈伤组织的生长、根苗分化的影响和愈伤组织再生植株形成的途径。