下列叙述中不正确的是 A.�除顶端可解除顶端优势b.生长素在高浓度下可作除草剂使用c.用一定浓度生长素处理未授粉的番茄花蕾可获得无籽 Template




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tomski下列叙述中不正确的是 a.�除顶端可解除顶端优势b.生长素在高浓度下可作除草剂使用c.用一定浓度生长素处理未授粉的番茄花蕾可获得无籽 coloring