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Sino-America joint study on precision location of pseudomonas syringae pv.lachrymans resistant gene made new progress

Author:admin  Time:2017-07-10   click: 170

On the 23rd of June of 2017, the Sino-America joint study on precision location of pseudomonas syringae pv.lachrymans resistant gene chaired by the Institute of Vegetable and Medicinal Herbs, a international cooperative project of Hebei Provincial Department of Science and Technology, was completed and passed the inspection of experts groups.

It is a cooperative research project with the University of Wisconsin. Plant materials of pseudomonas syringae pv.lachrymans resistance and infected materials were introduced from US. Through genetic linkage study, the gene of pseudomonas syringae pv.lachrymans resistant was located between SNP17686 and SNP146681 in chromosome 5. At the same time, a technique of cotyledon micro-inoculation of pseudomonas syringae pv.lachrymans was developed, which laid a solid foundation for identification of resistant and infected genotypes. 35 materials of highly resistant to pseudomonas syringae pv.lachrymans were selected and 2 highly resistant hybrid combination were developed. A SNP molecular marker aided breeding technical system was established.

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