Effects of Southern rice black-streaked dwarf virus on the feeding behavior of non-vector brown planthopper Nilaparvata lugens (Stål) Reference gene selection for real\|time fluorescence quantitative PCR analysis in rice plants infected by Rice black\|streaked dwarf virus or Rice stripe virus Optimization of RT-PCR detection system for rice black-streaked dwarf virus and detection of its natural hosts Using Marker-Assisted Selection to Improve the Resistance to Rice Black-Streaked Dwarf Viral Disease of Huaidao 5, an Elite Japonica Rice Cultivar in Jiangsu Optimization of RT-PCR detection system for rice black-streaked dwarf virus and detection of its natural hosts