Uji Efektivitas Ekstrak Daun Bidara (Ziziphus Mauritiana L.) Dengan Pelarut O…

Maize (Zea mays L.) is an important crop after rice and wheat. Maize production in Riau decreased by 16.562 ton in 2021 and 10.696 ton in 2022 caused by Spodoptera frugiperda J.E. Smith. S. frugiperda must be controlled so as not to reach the economic threshold, but many still use synthetic pesticides that cause resistance, resurgance, and explosions of secondary pests. An alternative is use a …