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One of horticulture commodity is tomato. The tomato production every years is fluctuating. Because of many problem on tomato cultivation. One of problem is pest controlling which use synthetic pesticide to pest control. One of effort to minimize synthetic pesticide is application organic pesticide from nature compose (in around us). This research aim to review secondary metabolite of weed to tomato pest control. This research randomized block design with fourth threatmen are Ageratum conyzoides, Cyperus rotundus, Cyperus kyllinga, Chromolaema odorata. The forth weed is cyperaceae group and broadleaves. The result showed that potential secundary metabolite whose not saponin to fourth organic pesticide