对4株具顶端优势的植株分别进行下列四种处理哪种处理会使植株长出侧芽a.去顶端后在断口放一琼脂小块b.去顶端后在断口上放一富含生长素的琼脂小块 Template




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tomski对4株具顶端优势的植株分别进行下列四种处理哪种处理会使植株长出侧芽a.去顶端后在断口放一琼脂小块b.去顶端后在断口上放一富含生长素的琼脂小块 coloring