Genotypic Variation in Virulence Level of Several Brown Planthopper (Nilaparvata lugens Stål) Populations of Rice (Oryza sativa L.)

Iwan Kiswanto, Lita Soetopo and Afifuddin Latif Adiredjo

Asian Journal of Plant Sciences 20 ( 3 ): 421 - 427 , 2021