Ageratum conyzoides : Alternative pesticides for Glycine maxx (L.) pest (Spodoptera Litura F.) in Indonesia

Abstract

Babandotan (Ageratum conyzoides) is a wild plant or weed which is considered unimportant. It’s found on the road side, forest, field and open field. These wild plants contain various compounds such as alkaloids, flavonoids, saponins, tannins, phenolics, carbohydrates and proteins. Ageratum has 21,24 mg Flavonoid, that can be used as a source of alternative pesticides to the main pest of soybean, namely Spodoptera Litura F. The use of babandotan as an alternative pesticide has several advantages including environmentally friendly, inexpensive, and easily applied by farmers. This research was conducted from Juni to July 2019, by using the maceration method with concentration treatment : 1000 ppm, 3000ppm, 5000ppm, and different liquid like 100% Babandotan Extract Leaf (BLE) and BLE plus Washing rice water. The result of this studi is 42,6 % mortality in Spodoptera Litura F. with 5000 ppm treatment in 100% in BLE during 72 Hour After Application