Application of cry2Ah-vp gene in armyworm resisting
A kind of armyworm and gene technology, applied in the application field of cry2Ah-vp gene in anti armyworm
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[0028] 1.1 Materials
[0029] Plant materials Bt cry2Ah gene insect-resistant corn material (preserved by our laboratory), corn inbred line Zheng 58.
[0030] The eggs of armyworm and corn borer were purchased from Beijing Meiyan Agricultural Technology Co., Ltd.
[0031] The tested pesticide glufosinate-ammonium (water formulation, active ingredient content: 200 g / L) was purchased from Zhejiang Yongnong Bioscience Co., Ltd.
[0032] BAR rapid detection test strips were purchased from Beijing Ao Chuang Jinbiao Biotechnology Company.
[0033] 1.2 Genetically modified corn
[0034] 1.2.1 Construction of plant expression vectors
[0035] In order to transfer the modified mcry2Ah (SEQ ID No. 4) and mcry2Ah-vp (SEQ ID No. 2) genes into maize, two plant expression vectors were constructed. The backbone vector of the plant expression vector is the commercial vector pCAMBIA3300, and the screening marker gene phosphinothricin (PPT) already exists on the pCAMBIA3300 vector, which can ...
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