Cloning and bioinformatics analysis of ent-kaurene oxidase synthase gene in Salvia miltiorrhiza Development of Functional SNP Markers Anchored PpKO Gene in Pear Development of Functional SNP Markers Anchored PpKO Gene in Pear Cloning and Expression Analysis of ent-kaurene Oxidase Gene CKO in Cucumber Cloning and Expression Analysis of ent-kaurene Oxidase Gene CKO in Cucumber Cloning and Bioinformatics Analysis of ent-Kaurene Oxidase Gene PpKO in Pear(Pyrus pyrifolia Nakai)