最近在一些规划报告中和普通报刊上都强调说,行之有效的植物育种方法将被遗传工程所补充。我们认为,(1)传统的植物育种方法从来就是起作用的;(2)靠常规育种进行的作物改良并不是已经到了极限;(3)现在还存在着供进一步改良所必需的遗传性变异;(4)有效地利用这些变异就需要植物育种方法;(5)遗传工程可能成为一种潜在有用的工具,但必须与植物育种相结合,才能见效。 Recently, in some planning reports and in ordinary newspapers, the emphasis has been put on the proven methods of plant breeding that will be complemented by genetic engineering. We believe that (1) traditional methods of plant breeding have always worked; (2) crop improvement by conventional breeding is not already at its limit; (3) there are still genetic variants necessary for further improvement; (4) The effective use of these variations requires plant breeding methods; (5) Genetic engineering may be a potentially useful tool, but it must be combined with plant breeding in order to bear fruit.