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以月季无根试管苗为材料，进行瓶内和瓶外生根试验，研究了试管生根苗和瓶外生根苗的解剖构造差异，并分析了二者解剖特征与其生境的关系。
In vitro rooting tests were conducted on rootless test-tube seedlings of Roses. The anatomical differences between the rooting and in vitro rooting were studied. The relationship between anatomical characteristics and habitat of the two plants was analyzed.