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INDONESIA
JERAMI Indonesian Journal of Crop Science
Published by Universitas Andalas
ISSN : 26549395     EISSN : 26553023     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Indonesian Journal of Crop Science, Jerami (JIJCS) is an open acces e-journal, formerly was published in printed form by PERAGI (Indonesian Agronomy Association) and supported by theDepartment of Crop Science, Faculty of Agriculture-University of Andalas. The JIJCS publishes original work twice in year (February and August) involving: research articles, reviews and short communications in the field of crop sciences. Scope coverage of this journal includes: agronomy, crop physiology, seed science, conventional and non-conventional breeding, crop production system and management, crop modelling, agroclimatology, soil (environmental) science and pest control in cropping system. JERAMI is now accepting new submissions through our online submission system.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 1 No 2 (2019): JIJCS" : 6 Documents clear
Isolation of Cellulose Degradation Bacteria (CDB) from acid soil as a potential candidate of organic waste degradation Eri Samah
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (708.644 KB) | DOI: 10.25077/jijcs.1.2.26-35.2019

Abstract

Background: The study aimed to obtain CDB with high degraded activities, determined growth curve, protein content, and cellulase maximum activity (exoglucanase and endoglucanase). Method: The cellulose activity calculated according to Miller (1959), protein content was measured by Bradford method with bovine serum albumin (BSA) as a standardize protein. Result: Six isolates of CDB were found as potential degradation of organic waste (Km25, Sr75, Jm, U6, G8, and Km13). Growth curve, protein level, and protein maximum activity occurred on day-3. The largest diameter of clear zone of six isolates was Km25, Sr75, Jm, U6, G8, and Km13 (3.32, 3.31, 2.41, 2.36, 2.19, and 2.04 mm, respectively). Endoglucanase and exoglucanase maximum activity were 0.011-0.402 IU/mL and 0.0028-0.155 IU/mL, respectively. Conclusion: Six isolates showed high activities of cellulase with diameter of clear zone ? 2 cm (Km25, Sr75, Jm, U6, G8, and Km13). Growth maximum curve was on day-3. Highest endo- and exoglucanase activities were on day-3 (0.402 IU/mL and 0.155 IU/mL, respectively) in Jm isolate. Keywords: Identification, degradation, clear zones, cellulase.
Genetic Diversity Of Age, Plant Height And Number Of Grain Per Panicle Characters Of F3 Generation Derived From Crossing Silopuk With Fatmawati Varieties Hafnes Wahyuni; Etti Swasti; Yusniwati Yusniwati
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (431.107 KB) | DOI: 10.25077/jijcs.1.2.36-46.2019

Abstract

This study aims to determine the population and genetic parameters of population F3 result of selection pedigri red rice crosses Silopuk with Fatmawati Superior Varieties using Augmented Design. Silopuk cultivars with red and inlaid rice characteristics while Fatmawati varieties with characteristics of large grain size, high production, high grain number, early age and white rice. The crosses are expected to produce high, large grain size, large amount of grain, maturity and color of brown rice. This research was conducted August-November 2016 at UPT Farm Faculty of Agriculture Andalas University. The genetic material used is the seed of the generation of F3 (F3-5, F3-12, F3-55, F3-95, F3-118, F3-122) derivatives of red rice crosses Silopuk with Fatmawati and the seeds of the two elders as a comparison with the experimental method using Augmented Design. The results of this study indicate the F3 population character number of filled grains per panicle is higher than the two parents with a wide range and other characters are between the two parents. The phenotypic diversity of flowering age characters in the F3-122 family is (2,41) and 1000 weight of pithy grains in the family F3-5 (2,31) ; F3-55(2,39) and F3-95 (3,49) relatively narrow. However, heritability in the broadest sense and genetic variability for all characters ranges from moderate to high and narrow to broad. Estimated genetic progress with 5% intensity in F3 population has high criteria for all characters (age of flowering, harvest age, plant height, stem length, total tillers, number of productive tillers, total grain / panicle, percentage of filled grains / panicle , total grain weight / clump and weight of filled grain / clump) except panicle length characters and 1000 grain weight of filled grains. Differential selection of population F3 with 10% selection intensity based on 1000 grain weight of pith grain, plant height and total grain weight per hill obtained 31 selected individuals. Selected individuals will be forwarded to the F4 generation
Aluminium stress examination of Pasaman local brown rice genotypes in early phase Indra Dwipa
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.806 KB) | DOI: 10.25077/jijcs.1.2.16-25.2019

Abstract

One of brown rice resistance is tolerant to Aluminium stress. The research was conducted in Seed Technology Laboratory and shade net house of Faculty of Agriculture, Andalas University form March to June 2017. The research aimed to study the tolerance of 6 Pasaman brown rice genotypes to Al stress. Factorial design in Completely Randomized Design was used in this research. The first factor was brown rice genotypes, Sigambiri,LadangTalamau, SikarojukSilomlomPulen and Perbatasan. The second factor was AlCl3 doses, 0 ppm, 5 ppm, 10 ppm, 15 ppm and 20 ppm. The data was analysed by F test and extended by Duncan’s New Multiple Range Test in 5%. The result showed that there was interaction between Al concentration and 6 brown rice genotypes for height of plant, length of leaves. Based on tolerance level, all genotypes were grouped to Moderate-Tolerant level.
Effect of Paclobutrazol Application Field on Seed Rhizome Quality of Ginger during Storability Devi Rusmin
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.202 KB) | DOI: 10.25077/jijcs.1.2.47-54.2019

Abstract

Maintaining the availability of high quality of seed on-time is one of the major problems in the production of large white ginger seed rhizomes (LWG). LWG seeds cannot be stored for a long period of time because it is easily wrinkled and sprouted during the storage. This study aimed to understand the effect of PBZ treatment time and concentration on the quality of LWG seeds during the storage. This study used a randomized square experimental design with three replications. The main plot is the time of application of paclobutrazol: 1) 4 months after planting (MAP) and 2) 5 MAP, and as subplots are five levels of PBZ concentration : 0, 100, 200, 300 and 4 00 ppm. The results showed the treatment of PBZ 400 ppm at 4 and 5 MAP was the best concentration in increasing the shelf life of LWG seeds: growth speed (4.8% / etmal ), seedling height (60.38 cm) and dry weight of seedlings (1.51 g) after stored for 4 months compared with no PBZ treatment.
The Effect of Shallot Bulbs Storage Duration and Paclobutrazol Treatments to Disease Attacks on Shallot Plant in Karo Highlands Rasiska Tarigan; Fatiani Manik; Susilawati Barus
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.772 KB) | DOI: 10.25077/jijcs.1.2.8-15.2019

Abstract

A major challenge in the development of shallot seeds is the limited availability of qualified seed due to pathogen infection during the vegetative phase. The study aims to determine the effect of storage duration and paclobutrazol (PBZ) treatment to the resistance of shallots crop. The study was conducted at the Berastagi Experimental Fields, Vegetable Crops Research Institute in February to May 2017. The experiment was arranged by randomized block design with two factors. The first factor is bulbs storage duration, which is without storage and stored for 2 months. The second factor is PBZ treatment with levels ie 0, 0.5. 1, 1.5 and 2 mL/L. The observation parameters are the diseases percentage, diseases intensity, roots number, and roots length. The results showed that the shallot bulbs that singly stored had a significant effect on the diseases caused by Peronospora destructor, Alternaria porri, and Fusarium wilt with low percentage category. The PBZ treatment had not significant effect on all observation variables, but the interaction with 2 months storage duration had effect on root length at 60 days after planting (DAP).
The Application Of PCR RAPD Technique In Determining Female Sex Of Kapulasan (Nepheleum Lapaceum Mutabile) Edi Wirman
JERAMI Indonesian Journal of Crop Science Vol 1 No 2 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (565.072 KB) | DOI: 10.25077/jijcs.1.2.1-7.2019

Abstract

Kapulasan is one of horticultural plants derived from tropical region that has significant economic value. One of the obstacles in cultivating the plant is that kapulasan has flowering type of androdioceus, i.e. the male and the female flowers are separated. Female flowers produce hermaphroditic flowers that can produce fruits while the male ones will not produce fruits. In the cultivation of the plant, it is very difficult to determine the female flowers if they are propagated by seeds. It takes up to 7 years to determine the nature of the flowering. One of the important steps that can be done is through a system of early detection using molecular marks. RAPD technique as a simple technique can be used to distinguish the characteristics. The results of the research show that of the 250 primers used, the OPM-09 primer produces female sex bands related to the controller of the female kapulasan plants of which the ribbon produced is 512 bp in size.

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