POPULATION AND ATTACK INTENSITY OF SPODOPTERA EXIGUA ON LEAF ONION PLANTS IN TANAH MIRING DISTRICT OF MERAUKE

This study aimed to determine the population and percentage of larval attacks S. exigua on leaf onion plants. This research was conducted for two months. Sampling was done by directly observing each plant at a predetermined location three times at intervals of two weeks. Based on the results of the study it can be concluded that the average population of S. exigua larvae was highest in leaf onion plants in Yaba Maru 0.144 heads/clump and the lowest was Waninggap Miraf 0.039 tail/clump. While the average attack rate of S. exigua larvae was highest in leaf onion plants at location 4 7.639% and lowest at Waninggap Miraf 3.14%