Pengaruh Alelopati Tanaman Gamal (Glericida manuculata) Dan Kirinyuh (Eupatorium odoratum) Terhadap Perkecambahan Kacang Hijau (Vigna radiata)

Nugroho, Setyo Andi and Setyoko, Ujang and Fatimah, Titien and Novenda, Ika Lia (2022) Pengaruh Alelopati Tanaman Gamal (Glericida manuculata) Dan Kirinyuh (Eupatorium odoratum) Terhadap Perkecambahan Kacang Hijau (Vigna radiata). AGROPROSS, 6. pp. 180-188. ISSN 2964-0172

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Abstract

Gamal (Glericida manuculata) is used by farmers as a coffee shade plant and as animal feed, kirinyuh (Eupatorium odoratum) grows as a weed. Both plants have allelopathic substances that inhibit the growth of cultivated plants. Gamal plants produce allelopathic substances from the saponin and polyphenol groups. Kirinyuh plant produces allelopathic substances such as flavonoids, alkaloids, tannins, and limonene. The aim of the research was to determine the effect of allelopathy of gamal and kirinyuh plant species on mung bean germination. The method used extracts of gamal and kirinyuh plants with concentrations of 46%, 36%, and 26%. The results showed the effect of allelopathic plant species on the growth of mung bean epicotyl, extract treatment of gamal plant on the 10th day of longest epicotyl length was 36% concentration, which was 29.7 mm, the shortest was 46% concentration of 6.7 mm. Kirinyuh plant extract on day 10 of the shortest epicotyl growth with 46% extract was 16 mm, while the longest epicotyl growth was 36% at 21mm. Radicle length on day 10 for the shortest gamal plant extract was treated with a concentration of 46% at 17 mm, while the shortest kirinyuh plant extract was a concentration of 26% at 24 mm. The effect of allelopathic plant species on the percentage of mung bean germination for the 100% gamal extract treatment, namely the extract with a concentration of 36% and 26%, while the 46% extract had 93.33% germination. Kirinyuh plant extract had the highest germination percentage at 36% concentration treatment.

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