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4PU—30对水稻离体叶圆片和抽穗后整株叶片的衰老均有明显的延缓效应,在离体叶圆片培养中其效应比6—BA大。
4PU-30 had obvious retardation effects on leaf discs in vitro and senescence of whole leaves after heading, and its effect was greater than 6-BA in isolated leaf discs.