| 1. | Root is a high activity sink organ is sorghum , and even no photosynthesis production supplied by crown , the root did not die at once , on the contrary , crown can be regenerated by root through the consumption of reserved production , and the root kept high activity 在灌浆末期刈冠结果显示,根是高粱的一个具有较高活性的库器官,即使停止冠供给光合产物也不会很快死亡,相反生理活动更加活跃,并消耗存贮的物质而再生冠,且保持了较高的根活力。 |