Isolation and Characterization of Ty1/copia-like Reverse Transcriptase Sequences from Mung Bean (Vigna radiata) Advances in studies on chemical constituents in Euphorbia helioscopia and their biological activities Effect of ABA on transcriptionally active Ty1-copia retrotransposons in Dendrobium officinale The Cloning and Analysis of Reverse Transcriptase of Ty1-copia-like Retrotransposons in Cucumis The Cloning and Analysis of Reverse Transcriptase of Ty1-copia-like Retrotransposons in Cucumis Isolation and Characterization of RNaseH-LTR Sequences of Ty1-copia Like Retrotransposons in Oriental Persimmon (Diospyros kaki Thunb. ‘Luotian-tianshi‘) Study on the Homologous Sequences of copia-like Retrotransposons in a Twin-ovary Mutant of Rice Morphological and Anatomical Analyses of a Floral Organ Mutant in Rice Identification of medicinal plants of Euphorbia helioscopia Prediction,Evolution and Expression Analysis of Reverse Transcriptase of LTR Retrotransposons in Pear Prediction,Evolution and Expression Analysis of Reverse Transcriptase of LTR Retrotransposons in Pear STUDIES ON THE WHEAT YIELD LOSS CAUSED BY WEED EUPHORBIA HELIOSCOPIA AND ITS ECONOMIC THRESHOLD Cloning and analysis of reverse transcriptase(RT) of Ty1-copia retrotransposons in Dendrobium officinale Isolation and Characterization of RNaseH-LTR Sequences of Ty1-copia Like Retrotransposons in Oriental Persimmon (Diospyros kaki Thunb. ‘Luotian-tianshi‘) Cloning and Analysis of Reverse Transcriptase of Ty1-copia Retrotrans- posons in Hylocereus undatus Cloning and Analysis of Reverse Transcriptase of Ty1-copia Retrotrans- posons in Hylocereus undatus