Application of FITC Tracing in the Optimization of Wheat Transformation via Pollen-tube Pathway Distribution in mouse tissues of P-80 modified neurotoxin nanoparticles after intranasal administration in rats Niches analysis of three aphid populations on spring sowing maize Fluorescence Microscopic Observations on the Distribution Patterns of Actin Filaments in Stigma Cells of Eichhornia crassipes Effects of different maize hybrids (inbreds) on the growth, development and population dynamics of Rhopalosiphum maidis Fitch The Fusion Patterns During Sexual Cell Fusion Study on oral absorption enhancers of Astragalus polysaccharides