Brown plant hopper distributes very wide, and it has been the major rice insects in Southern China. Many studies showed that it was economical and effective method to control insects with transgenic breeding. An expression vector was constructed with a safe marker gene, 6-phosphomannose isomerase (PMI), and an insect-resistant gene, Galanthus nivalis agglutinin(GNA), was used in rice genetic transformation in the present study. Results indicated that the pmi and gna gene have been expressed and transferred ...
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