Application of Certainty Factor Method to Identify Pests in Crystal Jamboo Plants

Abstract

Indonesia is an agricultural country with agriculture as one of the main sources of livelihood and a source of income for the people of Indonesia. One of them is the agriculture sector of guava crystal, guava crystal is one of the fruit plants that are already popular in the community. One potential problem in the cultivation of guava crystal is the presence of pests. The presence of pests in crystal guava plants can interfere with the health side of this crystal herbal medicine plant, where pests can attack the leaves, stems to fruit on the guava plants so that they can affect development and losses in the agricultural sector. As is the case in the Yellow River Crystal Guava Plantation Tourism which is still very difficult to detect pests. The results obtained from the calculation of identification of pests are 96% shoots caterpillars, caterpillars 92%, fire caterpillars 52%, caterpillars caterpillar 96%, caterpillars 84%, keket caterpillars 84%, grasshoppers 96%, fruit borer beetles 92%, White Aphids 92%, Aphids 88%, Shield Aphids 84%, and Fruit Flies 96%. That indicates the accuracy of the certainty factor is over 80% accurate.