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Effects of spatial heterogeneity of forest fire severity on plant diversity in a secondary shrub community in Linan Distribution of and damage caused by yellow stunt and root rot of Astragalus adsurgens in five northern provinces of China A PRELIMINARY INQUIRE INTO RELATIONSHIP BETWEEN INCIDENCE AND SEVERITY OF RICE BLAST Fire severity of burnt area in Huzhong forest region of Great Xing’an Mountains, Northeast China based on normalized burn ratio analysis. Estimation of Severity Level of Wheat Powdery Mildew Based on Canopy Spectral Reflectance Effects of spot blight on photosynthesis of Apocynum venetum and the scale system of the disease severity Influence of fire disturbance on aboveground deadwood debris carbon storage in Huzhong forest region of Great Xing’an Mountains, Northeast China. Effects of prevail wheat stripe rust races on yield of new wheat cultivars Spatial patterns of species diversity in the herb layer of early post-fire regeneration in mixed Pinus yunnanensis forests Forest crown density restoration and influencing factors in the burned area of northern Great Xing′an Mountains Characteristics of Lightning Fire in Daxing‘anling Forest Region from 1972 to 2005 and Its Relationships with Drought Index Impact of stand features of short-rotation poplar plantations on canker disease incidence at a mesoscale landscape: a case study in Qingfeng County, Henan Province, China The Correlation between temperature and survival time of conidia of Blumeria graminis f. sp. tritici in vitro Identification method and resistance evaluation of Fusarium head blight in barley Effect of Shading at Post Flowering on Photosynthetic Characteristics of Flag Leaf and Reponse of Grain Yield and Quality to Shading in Wheat Effects of maturity group of cultivar, pathogen amount and sowing date on the severity of rice false smut in the field