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All Journal Sains Tanah SAINS TANAH - Journal of Soil Science and Agroclimatology
Vita Ratri Cahyani
Department of Soil Science, Faculty of Agriculture, Sebelas Maret University
Earth & Planetary Sciences Education

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Suksesi Struktur Komunitas Fungi pada Lahan Degradatif oleh Patogen Busuk Pangkal Bawang Putih Vita Ratri Cahyani; Devi Puji Rahayu; Agus Siswanto; Dedy Prasetyo; Hadiwiyono Hadiwiyono
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 11, No 1 (2014)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v11i1.220

Abstract

TITLE : SUCCESSION OF FUNGAL COMMUNITY STRUCTURE IN DEGRADATIVE LAND CAUSED BY BASAL ROT PATHOGEN OF GARLIC. Land degradation causes a decreasement the ability of land in suppressing the development of pathogen FOCe that causes basal rot of garlic. In the garlic planting area in Tawangmangu discovered the fact that productive-suppressive land to FOCe the disease has low incidence (<1%) and degradative-conducive land with high incidens (≥60%). The research aims to study the succession of common fungal community structure and FOCe in the rhizosphere of garlic on both land for garlic plantation. The study was conducted from April to September 2013 in productive-suppressive land (Pancot) and degradative-conducive (Gondosuli) for soil sampling and laboratory analysis in Biologi Tanah UNS for fungi and FOCe analysis. The composite method used for sampling and the garlic rhizosphere samples  which is had healthy plants conditions aged 0, 20, 40, and 60 days after planting (DAP), and the garlic rhizosphere samples with healthy plants and diseased condition aged 80, 100, and 120 days after planting (DAP). Laboratory analysis using PDA culture medium as common fungi growing medium and SFA as a growing medium FOCe then observed population density and diversity. The method was pour plate method with 10-2 to 10-7 dilution. The results showed the population and diversity of fungi and FOCe have dynamics fluctuation. The fungi population in productive-suppressive land lower than degradative-conducive, with each value 108 and 3,5x108 CFU gram-1 soil. FOCe population on degradative-conducive land was higher than productive-suppressive land, and the highest population in both land at age 20 and 100 DAP with a FOCe density of each land about 1,25x107 and 1,66x107 CFU gram-1 soil. During the growth periode of garlic, the fungi diversity on productive-suppressive land always indicate higher than degradative-conducive land.
Spore reproduction, glomalin content, and maize growth on mycorrhizal pot culture using acid mineral soil-based media Vita Ratri Cahyani; Dianing Wahyu Kinasih; Purwanto Purwanto; Jauhari Syamsiyah
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 19, No 1 (2022): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v19i1.59444

Abstract

Arbuscular mycorrhiza (AM) is known as multifunctional fungi for plant helpers under adverse conditions. However, studies that focused on the production strategy of AM biofertilizers with specific targets related to the soil limitations are limited. This study aimed to examine AM inocula from several sources using various compositions of acid mineral soil-based media and maize hosts in pot cultures to obtain effective AM inocula to handle the phosphor (P) limitations in acid mineral soils. Zeolite and Inceptisols were used as comparing media. The study utilized a completely randomized factorial design with two factors, namely C = media composition (C0: zeolite; C1: representative media of Alfisols; C2: typical media of a mixture of Alfisols, Oxisols, and Ultisols; C3: typical media with the addition of Bio-RP nutrition; C4: Inceptisols) and I = AM inoculum source (I0: without inoculum; I1: inoculum from Alfisols; I2: mixed inoculum from Alfisols, Ultisols, and Oxisols; I3: mixed inoculum from eight soil types), and six replications per treatment combination. The AM cultures on acid mineral soil-based media, which yielded the highest mycorrhizal infection, spore reproduction, and glomalin content, were C1I2 and C3I2, while the highest maize growth and P concentration were obtained with C1I1, CII2, C2I1, and C3I2. Compared to all the treatments, C1I1 and C1I2 are the superior AM cultures. Further study is necessary to confirm the effectiveness of AM cultures.
Co-Authors Agus Siswanto Dedy Prasetyo Devi Puji Rahayu Dianing Wahyu Kinasih Hadiwiyono Hadiwiyono Jauhari Syamsiyah Purwanto Purwanto