Effect of Barnyardgrass (Echinoch oa Crus Galli) Shading on Nitrogen Fixation of Soybeans Response of soil seed banks to invasion by Echinochloa caudata in restored Scirpus planiculmis wetlands in the Momoge National Nature Reserve Cloning and Characterization of Phosphoenolpyruvate Carboxylase Gene from Echinochloa crusgalli Growth inhibition and action target of photo-activation induced by synthetic polyacetylenes against Echinochloa crusgalli Assay of the gross content of oxygen radical in calli of barnyard grass induced by two photosensitive compounds under ultraviolet irradiation by ESR Evaluation and Screening of Resistance to Barnyardgrass in Germplasm of Wild Rice(Oryza sativa) and African Cultivar Effects of storage condition and duration on seed germination of four annual species growing in water-level-fluctuation zone of Three Gorges Reservoir Cloning and Sequence Analysis of pdk Gene in [Echinochloa crusgalli var. frumentacea (Roxb.) W. F. Wight] Response of Protective Enzymes in Calli of Barnyard Grass to Oxidizing Stress Induced by α-terthienyl Response of Protective Enzyme in Callus of Barnyard Grass under Oxidizing Stress Induced by Polyacetylene Compound EFFICACY OF EXSEROHILUM MONOCERAS IN CONTROLLING OF ECHINOCHLOA CRUS-GALLI INRICE Transformation of Barnyardgrass (Echinochloa crusgalli) Root Type Phosphoenolpyruvate Carboxylase Gene into Rice (Oryza sativa) Plants and Their Effects on Photosynthesitic Gas Exchange Interference of Rice with Different Morphological Types and Allelopathy on Barnyardgrass under Three Planting Patterns A NEW SPECIES OF ECHINOCHLOA FROM CHINA The effect of dressing seeds with thiamethoxam and imidacloprid on the larva development of Leptinotarsa decemlineata (Say) Diversity and impact assessment of weeds on natural enemies in apple orchards Allelopathy of leaves of Parthenium hysterophorus L. on Abutilon theophrasti Medic. and Echinochloa crusgalli Influence of barnyardgrass (Echinochloa crusgalli) on the growth of double-cropping paddy rice and its economic threshold Evaluation of allelopathic potential in rice germplasm Effect of Essential Oil Extracted from Acorus tatarinowii Rhizomes on Germination and Growth of Barnyardgrass, Eclipta and Rice(Oryza sativa) Studies on the Biological Characteristics of Echinochola crusgalli and its Control Methods Prevention efficiency of Exserohilum monoceras with chemical herbicides against Echinochloa crus-galli in paddy field The efficacy of Culvularia lunata strain J15(2) on Echinochloa crus-galli and its host range Identification of Tobacco mosaic virus in Abutilon theophrastii in China Rapid detection of Cercospora leaf spot fungus in sugar beet using specific Cebe2 primers in China Isolation and identification of Pseudomonas marginalis and its biological characterization Effect of tenuazonic acid on lipid peroxidation of Echinochloa crus-galli leaf Allelopathy of flower of Parthenium hysterophorus L. on Echinochloa crusgalli (L.) Beauv. and the isolaton and identification of allelochemicals The pathogenicity of strain AAEC05-3 and its phytotoxin to Echinochloacrus-galli The growth inhibition of photoactivation and action target on several plants induced by α-terithienyl CYTOLOGICAL STUDY ON CHINESE SPECIES IN THE GENUS ECHINOCHLOA Classification and Diversity of Echinochloa in Paddy Fields of Main Agricultural Regions in China