insect pest 第1页

Ecological effects of six diseases and insects on larch crown Functional features of preserving natural enemies to control insect pests in intercropped cotton field ecosystems Pilot Study of Obstruction Effect of Continuous Cropping on Aconitum carmichaeli A STUDY OF SPECIFIC CODE AND COMPUTER INFORMATION MANAGEMENT OF FOREST INSECT PEST FORECAST STUDIES ON THE USE OF TAMARON FOR THE CONTROL OF BAMBOO INSECT PESTS Effects of Partial Leaf Area Reduction on Yield and Quality of Camellia oleifera STUDY ON TECHNOLOGY OF MIXTURE OF INSECTICIDES AND FUNGICIDES TO CONTROL MAIN DISEASES AND INSECT PESTS OF WINTER WHEAT AT THREE PERIODS Effects of O_3 on disease and pest control of cucumber in greenhouse A study on system optimum control to diseases and insect pests of rice in Shandong Recent advances in controlling plant diseases and insect pests by mixture planting and inter-planting of crops Prevention and Curing Technique of Phloem InsectPests in Q ilianMountains Nature Reserve IPM Practice on Moso Bamboo Pest in Longyou A Study on Leucaena Varietal Resistance to the Leucaena Psyllid STUDIES ON THE STRUCTURE OF THE INSECT COMMUNITY AND THE EFFECT OF INTEGRATED PEST MANAGEMENT Growth tediousness as an explanation of over-compensation of crops for insect feeding Response of Capsicum frutescens metapopulation to simulated insect herbivorous behaviors Effects of elevated atmospheric CO2 on plant, herbivorous insect, and its natural enemy: A review. Prediction model of agricultural plant diseases and insect pests based on artificial neural network and its verification STUDIES ON THE INJURY EQUIVALENCY SYSTEM AND MIXED ACTION THRESHOLD OF MAIN SOYBEAN LEAF-FEEDING INSECT PESTS ON THE COMMUNITY STRUCTURE OF MAJOR INSECT PESTS AND NATURAL ENEMIES IN SIMMER CORN FIELD INLAID IN COTTON AREA The occurrence and damages of insect pests on sweet corn in Guangdong Province The predatory function of Pirata subparaticus(Boes.et Str.) on three important rice insect pests in a multispecies coexistent system EXPERT SYSTEM FOR SAFE APPLICATION OF INSECTICIDES TO CONTROL INSECT PESTS IN RICE FIELD Relationship between the population density of ground pests and degree of damage Plant systemic acquired resistance to insect and a cross-talk between pathogen and insect resistance signal molecules Strategies and progress in genetic control of insect pests Changes of eco-environment of farmland and development of some crops diseases and insect pests Evaluation of azadirachtin against striped flea beetle,Phyllotreta striolata(F.) RESEARCH ON MECHANISM OF STEM BRUSH OF AZODRIN TO CONTROL PESTS IN PLANE TREE STUDIES ON PREDICTION OF INSECT PESTS AND THEIR NATURAL ENEMIES ON ARTIFICIAL NURSERY OF PINUS MASSONIANA The possible influence of future climate change on cotton production,and disease and insect pests in Hebei Province Primary investigation on the ecological technologies of prevention and cure on diseases and insect pests in protected vegetable production A COMPARATIVE STUDY ON THE KERNAL TECHNIQUES FOR PESTICIDEINJECTION SYRINGE AND DESIGN OF ITS 6HZ.D625B TYPE UTILIZATION OF ENTOMOGENOUS NEMATODES FOR CONTROL OF FOREST INSECT PESTS LABORATORY TESTS AND FIELD TRAHS OF FIPRONIL AGAINST RICE INSECT PESTS THE DEVELOPMENT AND APPLICATION OF PQ-INFORMIS-AN PICTURE/TEXT INFORMATION AND AUXILLIARY IDENTIFICATION SYSTEM FOR PLANT QUARANTINE INSECT PESTS A Preliminary Study on the Use and Protection of the Natural Enemies of Insect Pests in the Seed Stands of Picea crassifolia Studies of Insects and Rat Feeding on the Cones and Seeds in Masson Pine Seed Orchard Forest Pest Ecological Control Proteins Extraction from Larva of Dendrolimus punctatus and Its Nutrition and Safety Evaluation Improvement of the Grassland Early Pest Warning System A study on growth of artificial mangrove forest and plant diseases and insect pests Controlling tactics of the insect pest and diseases of tomato in sunlight greenhous Controlling tactics of the insect pest and diseases of tomato in sunlight greenhouse