99r
99r-
Adventitious buds were induced from leaves , petioles and stems of grape rootstock 99R .
以葡萄砧木99R试管苗叶片、叶柄和茎段为外植体诱导不定芽再生。
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Transgenic plants were generated from leaves , petioles and stems of grape rootstock 99R by agrobacterium-mediated transformation , and the percentages of GUS transient expression were analyzed to study the optimum parameters of this transformation system .
以葡萄砧木99R的叶片、叶柄及茎段为农杆菌介导转化受体，通过对GUS基因的瞬时表达率的分析，研究此转化体系的最佳实验参数。