Abstract
Human resources is one of the main factor in forest management, so it is important to develop a model of community-based forest management through agroforestry system. The agroforestry system in Trenggalek was implemented by combining a pine plant with Bisi-2 corn varieties. However, the presence of dry pine leaves litter suspected to contain allelopathy, thus make the percentage of germination of seed corn in a low. This study aimed to determine the concentration effect of ethanol extract of pine leaves litter (Pinus merkusii) on the germination of seed corn (Zea mays L.) Bisi-2 varieties. The research design that used Completely Randomized Design and four replications with concentration variations of 0% (control), 10%, 15%, 20% and 25%. Based on ANOVA and Duncan Multiple Range Test with significant level of 5% showed that there was the influence of the ethanol extract of pine leaves litter on the germination of seed corn Bisi-2 varieties. The higher concentration, make the germination of corn seeds more inhibited.
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