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Netti Herawati
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Jerami
Published by Universitas Andalas
ISSN : 26549395     EISSN : 26553023     DOI : https://doi.org/10.25077/jijcs.v7i2.183
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JERAMI : Indonesian Journal of Crop Science is an open access and international peer-reviewed scientific journal publishing 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 and management, crop modelling, agroclimatology, crop and soil environmental science. JERAMI is now accepting new submissions through our online submission system. JERAMI : Indonesian Journal of Crop Science with registered number ISSN 2654-9395 (printed), ISSN 2655-3023(online) is a scientific journal which publishes articles from the fields of accounting and information system. JERAMI : Indonesian Journal of Crop Science will publish in two times issues Volume 1, Numbered: 1-2 are scheduled for publication: February and August
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
 1 
Search results for , issue "Vol 4 No 2 (2022): JIJCS" : 6 Documents clear
Seed Quality Selection of Several Genotypes of Brown Rice (Oryza sativa L.) under High-Temperature Stress Afrima Sari; Indra Dwipa; Aswaldi Anwar; Irfan Suliansyah; Netti Herawati
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.34-40.2022

Abstract

Climate change impacts increasing temperature, and environmental factors can affect the capacity and rate of seed germination. This study aimed to determine and study the effect of temperature changes on the viability and vigor of brown rice seeds and the morphology of the sprouts produced. The variation of temperature used was 28-400C, and ten genotypes of brown rice seeds used were Pulen Mudiak, Pulen Kandih, Pulen Marapak, Pulen Talao, 64, Sibandung, Silalang, Timbo Abu, Labuah Baru, and Melayu. The results showed that every 10C increase in temperature affects rice germination percentage. The optimum temperature for the germination of ten genotypes of brown rice tested was a temperature range of 28-330C, with a germination value of >80%, the maximum critical temperature 370C and at 38-40 0C no brown rice seeds germinated. Pulen Marapak has the highest maximum growth potential of 90,3% at 280C and 10% at 370C. The increase in temperature also damages brown rice roots and shoots dengan the average root length is 6,7-10,1 cm and shoot length is 8-11,5 cm at 280C.
The The Effect of Doses Quail Manure on The Growth and Yield of Shallot (Allium ascalonicum L.) Friza Elinda; Renfiyeni Renfiyeni; Muharama Yora; Metri Angga Putra; Firsta Ninda Rosadi
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.41-43.2022

Abstract

Research on the effect of Quail Manure on the Growth and Yield of Shallots (Allium ascalonicum L.), has been carried out in Jorong Lima Ninik, X Koto Singkarak District, Solok Regency with an altitude of ± 400 m above sea level. This study aims to obtain the best dose of quail manure for the growth and yield of shallots. The method used was a Randomized Block Design (RAK) with 6 treatments, 4 groups. The treatment given was the dose of quail manure namely, as follows: P1=0 g/polybag, P2=30 g/polybag, P3=60 g/polybag, P4=90 g/polybag, P5=120 g/polybag, P6=150 g/polybag. The research data were analyzed for variance if the calculated F was greater than F table 5%, followed by Duncan's New Multiple Range Test (DNMRT) at a 5% significance level. Parameters observed were plant height (cm), number of leaves (strands), number of tubers (fruit), wet weight (g), dry weight (g). The results showed that the application of quail manure had a very significant effect on plant height, the number of leaves, wet weight, and dry weight of shallot bulbs. The best results were obtained from the P5 treatment (120 g/polybag) with a production of 78.25 g/plant.
Fertilization and pruning improve vegetative growth and architecture of tropical lowland Borneo Prima Mandarin citrus Tiara Septirosya; Roedhy Poerwanto; Abdul Qadir
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.44-51.2022

Abstract

Vegetative growth of citrus can be increased through a combination of fertilization and pruning. Borneo Prima Mandarin (Citrus reticulata cv Borneo Prima) is a superior local commodity that is grown in lowlands. It has an interesting orange skin, while normally the tropical lowland citrus has a green skin colour. As a new commodity, Borneo Prima Mandarin has to be developed in order to increase production and improve quality. There is no specific cultural practices, so it needs to be developed, especially on fertilizing and pruning. The first experiment aims to observe the plant growth and architecture of plants grown in the orchard. The first factor was the nitrogen fertilization rate (0, 20, 40, 60 g N per tree per application) and the second was pruning (without pruning, open center pruning, hedge pruning). In the second experiment, the plants were applied with the same factors of experiment 1, but were grown on a root observation chamber sized 40 x 20 x 60 cm (length x width x height) which aims to observe the shoot root’s growth and the plant’s biomass. Nitrogen fertilizer had a significant effect to the growth of the Borneo Prima Mandarin, i.e number of shoots and leaves. Twenty grams of nitrogen fertilizer per aplication was efficient to produce new shoots and leaves. Pruning treatments had significant effects towards the plant architecture (i.e reducing plant height, canopy shade projection and canopy length). Open center pruning and hedge pruning made the crown more open which increased the light interception. The shoot grew rapidly two weeks after fertilizing and also pruning. While the root grew rapidly after shoot dormancy.
The Effect of Humic and Salicylic Acid on Improving Salt Tolerance of Yellow Hot Chili (Capsicum annuum L.) Tran Thi Hong Van; Huynh Ba Di
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.52-57.2022

Abstract

Salt stress adversely affects the physiological processes of plants, causing negative changes in the morphology and anatomy of cells, tissues and organs. In order to adapt to the increasingly complex situation of saline intrusion, application of exogenous plant growth regulators shows many positive results to improve the crop's tolerance. In order to survey the effects of humic acid and salicylic acid on yellow hot chili (Capsicum annuum L.), the study was experiated in the greenhouse of Kien Giang University. The experiment was arranged in a completely randomized design, including 2 factors: humic acid (with 4 concentrations: 0 ppm, 1,000 ppm, 1,500 ppm and 2,000 ppm) and salicylic acid (with 4 concentrations: 0 mM, 1 mM, 1.5 mM and 2 mM) were treated separately or in combination (including 16 treatments with 3 replicates). The results showed that the yellow hot chili could grow and bear fruit when watered with saline water from 30 days after planting, however, the yield was low. The record indicated that supplying humic acid at 1,500 ppm into the soil and spraying with salicylic acid at 2 mM to the leaves gave the most effective results, increasing 82% of the yield compared with the control.
The Effectivity of Indigenous Rhizobacteria and Manure on the Yield of Red Potato (Solanum tuberosum L.) Winda Purnama Sari; Warnita Warnita; Indra Dwipa
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.58-63.2022

Abstract

Potatoes are one of the world's five food crops in the form of tubers and have many benefits. One type of potato developed in Indonesia is red potatoes because they have a high nutritional content and are more susceptible to plant pest organisms. An experiment was conducted in Nagari Selayo Tanang Bukit Sileh, Lembang Jaya, Solok, West Sumatra, Indonesia from May to August 2017. The effect of three indigenous rizobacteria (A2.1b2, A3.1a5 and B1.2a2) and three types of manure, both individually and in combination, on the growth and yield of red potatoes was studied. A two way factorial experiment with a completely randomized design and three replicates was used. Chicken, quail and cattle manure were applied at a dose of 30 tons per hectare. Data were analyzed by analysis of variance and comparison of mean using the Honestly Significant Difference test at the 5% level. There was no interaction between rizobacterial isolates and manure on the growth and yield of red potatoes. All isolates gave similar results with respect to plant growth, but isolates A2.1b2 give the best yields. Chicken manure increased fresh weight of tubers by 11.73 ton per hectare compared to quail and cattle manure.
DIVERSITY OF MYCORRHIZAL FUNGI IN THE RHIZOSPHERE OF Avicennia officinalis (L.) IN THE PENITI MANGROVE FOREST, MEMPAWAH REGENCY Riza Linda; Rafdinal Rafdinal
JERAMI : Indonesian Journal of Crop Science Vol 4 No 2 (2022): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.4.2.64-69.2022

Abstract

Mycorrhizal fungi are a form of mutualistic symbiosis between fungi and plant roots, including mangrove api-api that grows on mangrove area. This study aims to determine the diversity of mycorrhizal fungi on mangrove api-api (Avicennia officinalis L.) This study used a combination of wet filtering and centrifugation techniques for spore isolation. The results showed that the types of mycorrhizal fungi found in mangrove area were Scutellospora, Gigaspora, Acaulospora Glomus sp1, Glomus sp2, Glomus sp3 and Glomus sp4. The diversity of mycorrhizal fungi in Peniti area was 0,07105 and Sungai Purun was 0,47280. the distribution of species is uneven, there are species that dominate and conditions are unstable. Spore density of 103 spores /100 gr soil and level of root infection percentage with low class (class 1) was 0,24% in Peniti dan 0,18 % in Purun River.

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