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All Journal Bioma : Berkala Ilmiah Biologi
L Hartanto Nugroho, L Hartanto
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Agriculture, Biological Sciences & Forestry Education

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Allelopathic Effect of Cyperus rotundus L. on Seed Germination and Initial Growth of Glycine max L. cv. Grobogan Darmanti, Sri; Santosa, Santosa; Dewi, Kumala; Nugroho, L Hartanto
Bioma : Berkala Ilmiah Biologi Vol. 17, No.2, Tahun 2015
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.657 KB) | DOI: 10.14710/bioma.17.2.61-67

Abstract

Allelopathy is a phenomenon of direct or indirect, beneficial or adverse effects of a plant on its own or another plant through the release of chemicals into the environment. This experiment was carried out to determine the allelopathic effect of Cyperus rotundus L. (purple nutsedge) tuber aqueous extract on seed germination and initial growth of Glycine max L. (soybean) seedlings. The experiment was performed in completely randomized (CRD) design with five replications, using a range of concentrations of aqueous tuber extracts of nutsedge, i.e.: 0%, 5%, 10%, 15%, 20% and 25%. The petri dish experiment showed that with increase of the tuber extract concentration, a significant increase was noted in mean germination time (MGT), significant decreases in germination index (GI), growth tolerance index (GTI), wet weight seedling, dry weight seedling and  length of soybean seedling.  
Co-Authors Kumala Dewi Santosa Santosa Sri Darmanti