长期以来,作为甘蔗选育种的主要途径是采用有性杂交,这是一种有效的途径,但必须诱发甘蔗开花结实,甚受地域限制.同时,在解决生产上用的种苗时,都直接利用成段的蔗茎进行繁殖,这不仅由于耗费大量蔗茎而直接影响蔗糖产量,而且在贮藏和运输种苗时都带来一定麻烦.为探索解决这两方面的问题.我们从一九七八年春开始,进行了甘蔗茎、叶组织离体培养蔗苗的试验研究,取得了一些进展.目前,通过在试管中进行甘蔗茎、叶组织离一体培养,已培育出数批蔗苗,有数千株移植到室外的田间种植,生长良好.初步观察分析第一批八百多株茎、叶组织离体培养的蔗苗,发现它们当中有一些是不同于原来的无性亲本,在形态、解剖和生理生化上有变异,显然这可作为选育甘蔗新品种的一个新途径;同时发现 For a long time, the main method of breeding sugarcane is to use sexual hybridization, which is an effective way, but must be induced to flowering and fructification of sugarcane, greatly restricted by the region. At the same time, in the solution of production of seedlings are The direct use of cane stems in segments for breeding, which not only directly affects the production of sucrose due to the large amount of sugarcane stems, but also brings some troubles when storing and transporting the seedlings.In order to explore and solve these two problems, At the beginning of the Spring of 1978, some researches on in vitro culture of sugarcane plantlets in sugarcane stems and leaves were carried out and some progresses have been made.At present, several batches of sugarcane plants have been cultivated by in vitro culture of sugarcane stems and leaves in vitro, There are thousands of plants planted in the field outside the field grow well.Preliminary observation and analysis of the first batch of more than 800 plant stems and leaves in vitro cultured sugarcane seedlings and found that some of them are different from the original clonal parents, , Anatomical and physiological and biochemical variations, it is clear that this can be used as a new way to breed new varieties of sugarcane; the same time found