Growth Response of Oil Palm Seedlings (Elaeis guineensis Jacq) in Pre Nursery Nurseries to Intersity of Solar Radiation in the Moonsun Region

Abstract

Oil palm is a vegetable oil-producing plant and one of the nine basic needs of the Indonesian people. The high demand for cooking oil in the country must be balanced by maximizing production sources in the agronomic stage, namely through nurseries. Oil palm seeds at the pre-nursery level only require about 40% sunlight intensity. Therefore, radiation intensity is a factor that must be considered in the growth of seedlings at the pre-nursery level. The aim of the study was to analyze the response of oil palm seedling growth to the effect of radiation intensity in the pre nursery and to analyze the best radiation intensity on the growth of oil palm seedlings in the pre nursery. This study used a single factor Completely Randomized Environmental Design (CRD), i.e. radiation intensity consisting of 5 levels, namely p0 = (0%, 50%, 100%), p1 = (25%, 25%, 100%), p2 = (25%, 50%, 75%) radiation intensity, p3 = (25%, 75%, 100%), p4 = (50%, 75%, 100%). Repeat each treatment 4 times so that there are 20 experimental units. Each experimental unit contained 9 polybags so that there were a total of 180 plants. Based on the results of growth analysis of stem diameter (mm), number of leaves (leaves), length of leaf blade (cm) response to solar radiation intensity p3 = (25%, 75%, 100%).