STUDIES ON THE SOURCE-SINK RELATIONSHIP AMONG HOST PLANTS OF COTTON BOLLWORM AND CONTROL PRESSURE ON COTTON Evolution Characteristics of Grain Yield and Plant Type for Mid-season Indica Rice Cultivars A FUNCTIONAL-STRUCTURAL MODEL GREENLAB FOR PINUS TABULAEFORMIS Advances in the study of photosynthate allocation and its controls Effect of reproductive growth on source-sink relationship of Alisma plantago-aquatica Effect of drought on ear development and yield of maize PHOTOSYNTHESIS AND ~(14)C-ASSIMILATE DISTRIBUTION AS INFLUENCED BY CPPU TREATMENT ON OVARY IN Lagenaria leucantha Effects of Low Sink Demand after Fruit Removal on the Photosynthetic Characteristics and Photoprotection in Strawberry Plants The Ultra-structure Changes of Scales During the Development of Lily Bulb The Ultra-structure Changes of Scales During the Development of Lily Bulb Effects of type and application rate of nitrogen fertilizer on source-sink relationship in summer maize in North China Plain Response of SweetpotatoinSource-Sink Relationship Establishment, Expanding, and Balance to Nitrogen Application Rates Simulation of spatial and temporal variation of fruit set patterns on pepper plant based on ‘source-sink’ theory