INSECTICIDAL EFFECT OF TOBACCO LEAVES ON BROWN PLANTHOPPER BUGS ( Nilaparvata lugens Stal. ) IN RICE ( Oryza sativa )
Marianne P. Aguila, Happy Rizalina M. Guevara, Marie Emerose A. Manuel ( February 2000 ) Philippine Science High School Western Visayas Campus – Department of Science and Technology (DOST-PSHS WVC), Brgy. Bito-on, Jaro, Iloilo City 5000, Philippines ABSTRACT This study…