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Adryade Reshi Gusta
Jurusan Budidaya Tanaman Perkebunan Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry

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Waktu dan Cara Aplikasi Cendawan Mikoriza Arbuskular (CMA) pada Pertumbuhan Bibit Tanaman Kopi Yonathan Parapasan; Adryade Reshi Gusta
Jurnal Penelitian Pertanian Terapan Vol 14 No 3 (2014)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.796 KB) | DOI: 10.25181/jppt.v14i3.161

Abstract

The effort to increase productivity of coffee plants in long dry season upland of Ultisol include application of Vesicular Arbuscular Mycorrhizae (VAM) on coffee plants, because its application only one time and its affect along a life time of coffee plant in the field. This study aims to determine the exact time and applications method of VAM on growth coffee seedlings. This study used 10 g VAM/polybag or 800 spores as basic treatment. This study used randomized block design and experiment arranged in factorial 3 x 5 with three replications. The first factor was the time of VAM application: given at nursery seedlings (W1), given at transplanting (W2), and combine of given at nursery seedlings and transplanting (W3). The second factor was the applications method of VAM: without VAM inoculant (C0), VAM inoculant placed around the coffee seedling root up to a depth of 2 cm below root (C1), up to a depth of 4cm below root (C2), up to a depth of 6 cm below root (C3), and VAM inoculant mixed with media planting (C4). All data were analyzed for variance. Data analysis followed by separation of means using LSD test with significance level of 5%. The resulted showed that both time and applications method of VAM have affect on growth component and root infection rate. The best application time was double application, i.e. combine of given at nursery seedlings and transplanting, and the best applications method was VAM inoculant placed around the coffee seedling root up to a depth of 2 cm below root, both of them increased plant height, stem diameter, leaf amount, long of root, and root infection rate.
Adaptation of Tea Seeds (Camellia Sinensis L.) Lowland Based on Physiological Characteristics and Growth at Suboptimal Temperatures Adryade Reshi Gusta; Mirodi Syofian; Dedi Supriyatdi
Jurnal Penelitian Pertanian Terapan Vol 18 No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i1.1228

Abstract

This study aims to determine the best clone species and the best dosage of Salvinia natans compost on the growth and physiological character of lowland tea. This study aims to determine the best types of clones and dosage of Salvinia natans compost for growth and physiological character of lowland tea. This study used a randomized block design experiment with three replications arranged in factorial 2x4. The first factor is a type of clones consists of two (2) levels, namely: Gambung 6 (G1) and Gambung 7 (G2). The second factor is the dosage of Salvinia natans compost with topsoil 100% (K0), topsoil and Salvinia natans compost comparison by1: 1(K1), topsoil and Salvinia natans compost comparison by2: 1(K2), dan topsoil and Salvinia natans compost comparison by3: 1(K3). All data were analyzed for the variance. Analysis followed by separation of means using LSD test with significance level of 5%. The results showed that the clones of Gambung 7 showed the higher value for observation variability in higher growth of seedlings (40,75) and better dry weight(10,78 g). Topsoil planting medium comparison by Salvinia natans compost (1: 1) showed the higher value for observation variability in higher growth of seedlings (42,25) and better dry weight (10,95 g). So, the conclusion is Gambung 7 for the best clone species on the growth and physiological character of lowland tea. The best dosage of Salvinia natans compost on the growth and physiological character of lowland tea is topsoil planting medium comparison by Salvinia natans compost (1: 1).
Co-Authors Dedi Supriyatdi Mirodi Syofian Yonathan Parapasan