pests 第1页

Maize diseases and pests of field ecosystems under different structures on dryland red soil Ecological efficiency of pear fruits bagged to main pests and diseases The possible influence of future climate change on cotton production,and disease and insect pests in Hebei Province Study on Controlling 4 Species of Coleoptera by Injecting of Imidacloprid Insecticide Prediction model of agricultural plant diseases and insect pests based on artificial neural network and its verification Research on Tender Shoot and Leaf Pests Occurrence in Qilian Mountains Nature Reserve Studies on Principal Kinds of Diseases and Pests of MedicinaI Plants in Yunnan，China Prevention and Curing Technique of Phloem InsectPests in Q ilianMountains Nature Reserve EXPERT SYSTEM FOR SAFE APPLICATION OF INSECTICIDES TO CONTROL INSECT PESTS IN RICE FIELD EFFECTS OF Bt (BACILLUS THURINGIENSIS)TRANSGVNIC COTTON ON THE DYNAMICS OF PEST POPULATION AND THEIR ENEMIES Integrated management technology on main diseases and insect pests of Ginkgo biloba Enhanced Resistance of Snowdrop Lectin (Galanthus nivalis L. agglutinin)-Expressing Maize to Asian Corn Borer (Ostrinia furnacalis Guenée) THE SPECTRUM ASSAY FOR DETERMINING THE DAMAGE LEVELS OF SPIDER MITES TO APPLE LEAVES STUDIES ON THE INJURY EQUIVALENCY SYSTEM AND MIXED ACTION THRESHOLD OF MAIN SOYBEAN LEAF-FEEDING INSECT PESTS STRUCTURES AND SEASONAL DYNAMICS OF INSECT PESTS-NATURAL ENEMIES IN NANYUE TEA PLANTATION, HUNAN PROVINCE The efficacy and cost accounting of different control programs against some citrus pests The occurrence and damages of insect pests on sweet corn in Guangdong Province Investigation of production status in major wolfberry producing areas of China and some suggestions Studies on the cutting propagation of Taxus chinensis var. mairei. V. Occurrence and control of pests and diseases of the cuttage seedling in greenhouse Evaluation of azadirachtin against striped flea beetle,Phyllotreta striolata(F.) 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 A COMPREHENSIVE ANALYSIS ON FIXED FOREST PEST AND DISEASES, MONITORING FINDINGS IN NEWLY ESTABLISHED HIGH-YIELDING TIMBER PLANATATIONS OF MAIN SPECIES Ecological effects of six diseases and insects on larch crown Sustainable management on pests by agro-biodiversity STUDY ON ESTABLISHMENT OF FOREST PEST INDEXES Effect of Chilli Pepper Intercropping System on Nutrient Utilization,Main Diseases and Pests and Yield of Chilli Pepper STUDIES ON PREDICTION OF INSECT PESTS AND THEIR NATURAL ENEMIES ON ARTIFICIAL NURSERY OF PINUS MASSONIANA The Effects of Compensation and Extra Compensation of Larix olgensis for Needle Pests Injury Investigation on Occurrence of Lycium Pests and Their Natrual Enemies Theoretical and applied studies on predator-prey interaction SYSTEMATIC SCREENING FOR SELECTIVE PESTICIDES AND THE BENIFIT ANALYSES ON DIFFERENT PESTICIDE COMBINATIONS AGAINST MAIN CITRUS PESTS THE USE OF A VIBRATOR TO DETECT THE AMOUNT OF PESTS ON HIGH TREES A study on growth of artificial mangrove forest and plant diseases and insect pests Primary investigation on the ecological technologies of prevention and cure on diseases and insect pests in protected vegetable production STUDY ON TECHNOLOGY OF MIXTURE OF INSECTICIDES AND FUNGICIDES TO CONTROL MAIN DISEASES AND INSECT PESTS OF WINTER WHEAT AT THREE PERIODS Efficacy of fipronil(Regent) against rice pests and its effect on rice yield Effects of O_3 on disease and pest control of cucumber in greenhouse Changes of eco-environment of farmland and development of some crops diseases and insect pests Present situation of chemical pesticides controlling cucumber pests in sunlight greenhouse and its controlling countermeasures Occurrence and control of pests about Cistanche deserticola and its hosts A study on system optimum control to diseases and insect pests of rice in Shandong STUDIES ON THE STRUCTURE OF THE INSECT COMMUNITY AND THE EFFECT OF INTEGRATED PEST MANAGEMENT