TY - CONF AV - public A1 - Velusamy, R A1 - Chellaih, S TI - Techniques to evaluate levels of resistance in rice to brown planthopper Nilaparavata lugens (Stal.) UR - http://oar.icrisat.org/4342/ T2 - National Seminar on Breeding crop Plants For Resistance to Pests and Diseases SP - 164 Y1 - 1983/// ID - icrisat4342 EP - 164 M2 - Tamilnadu Agricultural University, Coimbatore ER -