The diversity and abundance of weeds in sugarcane (Saccharum officinarum) plantations and its relationships with Hymenoptera parasitoids diversity

Abstract. Wibowo D, Rahardjo BT, Karindah S, Muhammad FN. 2023. The diversity and abundance of weeds in sugarcane (Saccharum officinarum) plantations its relationships with Hymenoptera parasitoids diversity. Biodiversitas 24: 2342-2349. Sugarcane officinarum L.) is an important plantation commodity Indonesia. One the strategies to improve production by controlling pest populations which can be done increasing role natural enemies as control agents, such parasitoids. presence influenced vegetation, including weed plants, due nectar contained flowers. aim this study was investigate diversity, composition their that have potential pests plantations. conducted from June August 2022 four locations East Java, i.e. Karangploso Kalipare (Malang), Pasirian (Lumajang) Gandusari (Blitar). Observation vegetation carried out taking samples using 1 m x frame inside observation point at each plot. Collection used yellow pan trap modified farmcop determine field. Observations were made intervals week. We found highest across Digitaria ciliaris (Retz.) Koeler, Ipomoea triloba L. Ageratum conyzoides parasitoid species Trichogramma chilonis Ishii Telenomus dignus Gahan. There positive between density plantation. Weed most A. conyzoides, I. Mimosa pudica In conclusion, on affected community. results rationale conservation wild fields very support existence beneficial