Musliar Kasim
Department Of Agroecotechnology, Faculty Of Agriculture Andalas University, Padang, Indonesia

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BIODIVERSITY OF ARBUSCULAR MYCHORRIZAL FUNGI (AMF) ON POTATOS RHIZOSPHERE AND IT POTENTIAL AS BIOFERTILIZER Yelianti, Upik; kasli, Kasli; Kasim, Musliar; Husin, Eti Farda
Sainstek Vol 12, No 1 (2009): Vol. XII No. 1, September 2009
Publisher : Lembaga Penelitian Universitas Negeri Padang

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Abstract

AMF as the biofertilizer on several crops  has been reported, but not so much the information about biodiversity of AMF on potatos rhizosphere and its potential to colonize that crop. The research about the biodiversity of AMF has been done in laboratorium  Biology in Faculty of Agriculture of Andalas University and in laboratorium Biotecnology of Agriculture Faculty of Jambi University from November 2004 till April 2005. The sample of soil have been collected from  rhizosphire of potatos plant in Alahan Panjang, West Sumatera, and then the AMF spore are isolated and identification based on morphology and size of spores. Inoculation of single and multi spores to potatos root to see the structure of colonization and percentage of colonization. The result of identification of AMF spores show that there are many kind of spores on rhizosphere of potatos plant and the spores are dominated by: Glomus, Acaulospora, Scutellospora, Gigaspora, and Enterophospora. Unfortunately, the inoculation of single spore has no good effect to the structure of colonization and the potatos plant not vigorous and easy to be severe of stem desease. But, inoculation with multi spores show that the tipe of colonization on potatos root have the coil hyphal and intracellular vesicular. The same result also indicated that colonization with active propagule (mycelium, spores, and infected root) have the coil hyphal and intracellular vesicular. The species of AMF that have the typical characteristic is assumed as Gigaspora sp.. Key words :    AMF, potatos rhizosphere, biofertilizer
Karakteristik Morfologi dan Genetik Tanaman Penghasil Gaharu (Aquilaria spp) Endemik Sumatera Barat Satria, Benni; Gustian, Gustian; Swasti, Etti; Kasim, Musliar; Darnetti, Darnetti
Sainstek Vol 11, No 1 (2008): Vol. XI No. 1, September 2008
Publisher : Lembaga Penelitian Universitas Negeri Padang

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Agarwood (Aquilaria spp) is plant of tha important tropical forest trees,which produces a high economically valuable fragrant resinous wood. The objective of this  study was to characterize  the agarwood based on  morphologist are  genetic distance using RAPD markers. Characterizeof the agarwood based on morphologist and genetic distance by using RAPD markers is on alternative method to see variance morphologist,genetic and condition population plant agarwood (Aquilaria sp) endemic West Sumatra. This experiment was conducted at rain forest West Sumatraand  Laboratory Agronomy Agriculture faculty Andalas University, and Laboratory Biotecnology Seameo Biotrop Bogor, during mar 2006 toDecember 2007.The result showed two group mayor cluster to agarwood i.e. Aquilaria malacensis  and Aquilaria microcarpa endemic West Sumatra by using fenotipe variabilities and RAPD markers. Broad genetic variabilties were found for long and wide leaf width. Keyword : morfologist, genetic, Agarwood, and RAPD.
Comparing the Genetic Parameters of Three Rice Varieties on Suboptimal Land Using the SRI Method Rozen, Nalwida; Kasim, Musliar; Dwipa, Indra; Hervani, Dini
Journal of Tropical Crop Science Vol 9 No 01 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.01.47-51

Abstract

The conversion of fertile land into industrial areas and construction development has contributed to the decline of rice production in Indonesia. Therefore, it is necessary to expand the rice fields to the sub-optimal land, i.e. lands with high levels of Fe and Al and low soil pH. One of the solutions that can potentially solve the problem is choosing varieties of rice that can adapt to the suboptimal land environment; the rice varieties can be obtained by estimating rice genetic parameters and selecting the optimal planting methods. One method that can potentially improve rice yield is “System of Rice Intensification”, or SRI method. Our study was conducted in the rice fields on suboptimal land at Pasar Ambacang, Kuranji District, Padang, Sumatra, from December 2019 to April 2020. The aims of the experiment are to determine the genetic parameters and responses of the three rice varieties to suboptimal land using the SRI method. A complete randomized design with four replications was used to set up the experiment using three varieties of rice, i.e. “Batang Piaman”, “Bujang Marantau”, and “IPB3S”. Based on the plant growth measurement and analysis of the genetic parameters, we found that the plant growth characters, particularly height and panicles length, had high heritability and genetic progression values.