Abstract. Haq FAN, Etikawati N, Solichatun. 2023. Effect of cypermethrin insecticide on root chromosome morphometry scallion (Allium fistulosum). Cell Biol Dev 7: 14-21. Farmers in Tawangmangu, Karanganyar, Central Java, Indonesia, commonly use a pesticide known as whenever growing fistulosum L.). If used at excessive levels, can be fatal to plants. Chromosome morphological changes are an indic...