Yield loss 第1页

Epidemic processes and yield loss of northern leaf blight (Exserohilum turcicum), Curvularia leaf spot (Curvularia lunata) and gray leaf spot (Cercospora zeae-maydis) of maize when they occurred together in the field Epidemic processes and yield losses of early leaf spot and web blotch of peanut occurring together in the field Economic threshold of Athetis lepigone at seedling stage of summer maize Impacts of durian fruit borer Conogethes punctiferalis on yield loss of summer corn by injuring corn ears Methodology for identification of disease resistance of sweet potato cultivars to sweet potato virus disease and yield loss estimation Effects of Harvesting Date on Yield Loss Percentage of Mechanical Harvesting and Seed Quality in Rapeseed A PRELIMINARY STUDY ON THE ECONOMIC INJURY LEVEL AND ECONOMIC THRESHOLD OF BROWN PLANTHOPPER TO SEMILATE NONWAXY RICE ON THE YIELD LOSS ESTIMATION OF CORN CAUSED BY ASIAN CORN BORER AND TOLERANT LARVA NUMBER PER PLANT ON THE DAMAGE AND ACTION THRESHOLD OF NORTHERN ROOT-KNOT NEMATODE TO PEANUT PRELIMINARY STUDIES ON THE YIELD LOSSES OF TAKE-ALL DISEASE OF CORN AND ITS CONTROLLING THRESHOLD YIELD LOSS CAUSED BY CORN SHEATH BLIGHT AND ITS OUTBREAK REGULARITY Assessment of the yield loss of winter wheat caused by dry-hot wind in Huanghuaihai Plain based on the hazard index of dry-hot wind ON THE PREDICTION MODEL OF RICE YIELD LOSS CAUSED BY RICE STEM BORER The epidemic development of water bamboo sheath blight and its yield loss assessment THRESHOLD PERIOD OF WEED CONTROL IN TRANSPLANTED RAPE IN JIANGSU PROVINCE YIELD LOSS MODEL DUE TO THE INFESTATION OF WEEDS IN SUMMER MAIZE STUDIES ON THE WHEAT YIELD LOSS CAUSED BY WEED EUPHORBIA HELIOSCOPIA AND ITS ECONOMIC THRESHOLD A STUDY ON YIELD LOSS CAUSED BY RICE BLAST DAMAGE CAUSED TO SPRING OILSEED RAPE BY MELIGETHES AENEUS AND ITS EFFECT ON SEED YIELD SOME STUDIES ON THE YIELD LOSSES AND CONTROLLING THRESHOLD OF SHEATH BLIGHT OF WINTER WHEAT IN SHANDONG PROVINCE Assessment on the yield loss risk of longan caused by cold damage in South China. Tolerance of Alfalfa Varieties to Odontothrips loti Haliday Effects of Nitrogen Fertilizer and Planting Density on Yield Loss Percentage of Mechanical Harvesting in Rapeseed Effect of infestation by the Asian corn borer together with Fusarium verticillioides on corn yield loss Evaluation of commercial wheat cultivars for resistance to Wheat yellow mosaic virus in Henan Relationships between population densities of the cereal cyst nematode, Heterodera avenae, and yield losses of winter wheat in Hebei Province Influence of different weed populations on cotton yield in saline and alkaline land in Shandong Geographic distribution of winter wheat yield loss risk and its classification in North China A characterization of rice multiple-pest injuries and quantification of yield losses Yield loss model and yield loss mechanism of high-yielding summer maize infected by Physoderma maydis. Relationship between Seedling Traits and Yield Loss of Rapeseed Direct-Seeded in No-Tillage Rice Stubble Field Comparison of potential yield and resource utilization efficiency of main food crops in three provinces of Northeast China under climate change. Effects of strong wind lodging at pre and posttasseling stages on growth and yield of summer maize. THE RELATIONSHIP BETWEEN SHEATH BLIGHT SEVERITY AND YIELD LOSS OF RICE CULTIVARS EVALUATIONS OF THE DAMAGE OF TWO SPIDER MITE SPECIES TO APPLE TREE STUDIES ON YIELD LOSS AND DYNAMIC ECONOMIC THRESHOLD OF SHEATH BLIGHT OF HYBRID EARLY RICE The economic injury level caused by Tetranychus urticae at apple orchard