通过人工诱导烟草结瘤的方法，观察给予2,4 - D、根瘤菌后，其对烟草根尖细胞有丝分裂和染色体畸变的影响。
Effects on mitosis and chromosomal aberrations of tobacco root tip cells were observed by the method of artificially inducing para-nodule treated with 2, 4-d and rhizobium.
通过人工诱导烟草结瘤的方法，观察给予2,4 - D、根瘤菌后，其对烟草根尖细胞有丝分裂和染色体畸变的影响。
Effects on mitosis and chromosomal aberrations of tobacco root tip cells were observed by the method of artificially inducing para-nodule treated with 2, 4-d and rhizobium.
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