Comparative Analysis of the Tannin and Gallic Acid Contents of Chinese Gallnut and the Influencing Factors Effects of the main ecological factors on gallnut yield Study on Chinese Gallnut A Study on the New Overwintering Hosts (2 Species of Mosses) for Chinese Gallnut Aphids The Result and Operation of Casing Aphid Bags on the Tree Branch Biological Studies on the Du-ensiform Gall Aphid, Kaburagia rhusicola Ⅲ. Population Dynamics Investigation on the Resources of Chinese Gallnuts in Shanyang County, Shaanxi Province CUTTING BRANCH PROPAGATION OF PLAGIOMNIUM ACUTUM A Study on Suitable Storage Conditions for Melaphis chinensis (Bell) Bakei Analysis of Technical and Economic Indices in the Rearing of the Horned Gall Aphid,Schlechtendialia chinensis Effects of Chinese gallnut on photosynthetic characteristics and total nitrogen content of Rhus chinensis Study on Gallnuts Development and Its Tannin Amount BIOLOGICAL CHARACTERISTICS OF HORNED GALL APHID AND CHANGES IN QUANTITY DURING OVERWINTERING A Preliminary Study on Colletorichum from Horned Gallnut SETTING UP ECOLOGICAL GARDENS OF GALLNUT AND INPROVING GARDENS OF LOW YIELD IN THE QINLING AND BASHAN MOUNTAINOUS REGION Biological Basis for Rearing Horned Gall Aphid, Schlechtendalia chinensis Biological Studies on the Du-ensiform Gall Aphid, Kaburagia rhusicola Ⅰ. Life History Biological Studies on the Du-ensiform Gall Aphid,Kaburagia rhusicola II .Reproduction A STUDY ON THE QUANTITATIVE RELATIONSHIP OF HORNED GALL APHID AND ITS HOSTS TO THE YIELD OF THE GALLNUT PRELIMINARY STUDIES ON THE BIOLOGY OF HORNED GALL APHID IN THE GALL AND THE GROWTH OF THE GALL Broodgallnut Plantation Should be Set Up to Boost the Chinese Gallnuts Production RAPD Analysis of Phylogenetic Relationships in Chinese Gallnut Aphids (Homoptera: Pemphigidae) and Genetic Differentiation in Four Populations of Schlechtendalia chinensis