Establishment of bitterness appraisal method of Chinese drugs and preparation Studies of an AP2/ERF Transcriptional Factor Regulating Bi Gene of Cucumis sativus Studies of an AP2/ERF Transcriptional Factor Regulating Bi Gene of Cucumis sativus Identification of Molecular Markers Linked to Foliage Non-bitterness Gene(bi)in Cucumis sativus L. Identification of Molecular Markers Linked to Foliage Non-bitterness Gene(bi)in Cucumis sativus L. Evaluation on taste-masking effect of Andrographis Herba by electronic tongue Inheritance and Linkage Relationships among the Genes of Leaf Mutant andBitterness with other Five Major Genes in Cucumber Inheritance of Bitterness in Cucumber Genetic Mapping of the Fruit Bitterness Gene(Bt)in Cucumber(Cucumis sativus L.) Genetic Mapping of the Fruit Bitterness Gene(Bt)in Cucumber(Cucumis sativus L.) Study on bitterness embedment and function improvement of Zizyphus to Eucommia ulmoides Fine Mapping of the Foliage Bitterness Gene(Bi)in Cucumis sativus