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All Journal Jurnal Ilmu Lingkungan Jurnal Agronomi Tanaman Tropika (JUATIKA) Dinamika Pertanian
Aslim Rasyad
Universitas Riau
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Environmental Science Immunology & microbiology

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Development Strategy of Taman Hutan Raya (Tahura) Sultan Syarif Hasyim Sustainable Management Suhartono Suhartono; Aslim Rasyad; Syaiful Hadi
Jurnal Ilmu Lingkungan Vol 11, No 1 (2017): Jurnal Ilmu Lingkungan
Publisher : Program Pascasarjana Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jil.11.1.p.75-85

Abstract

Tahura Sultan Syarif Hasyim can become the center of ecotourism attraction because the location is close to Pekanbaru as the capital city of Riau Province and its high diversity of flora and fauna species. The nature of this landscape is very potensial to be utilized as an object of ecoturism with beautiful forest panorama. The purpose of this research is to formulate a sustainable development strategy of Tahura SSH management plan. This research was conducted by using survey method. To obtain primary data through observations and deep interview and secondary data through literature, thesis, journal and report, maps and related statistical data. The result of the research obtained alternative collaborative and interactive ecotourism development strategies whose management involves government, entrepreneur and societies (local communities, NGOs, visitors). This strategy is expected to achieve the objectives of Tahura as a natural conservation area, both for plants and animals that are used for the public interest, researches, science and education as specified by the regulations in the establishment of Tahura SSH.
Relationship between Seed Properties and Outcome Components for Selection Criteria of Corn (Zea Mays L.) Products at Various Dosages of Popostium Fertilizer Vera Magdaleni Manullang; Aslim Rasyad; Dewi Indriyani Roslim
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol 5 No 2 (2023): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 5 No. 2 Juli 2023
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v5i2.3095

Abstract

This research was conducted to determine the relationship between seed developmental characteristics and yield components in a population of maize (Zea mays L.) grown at different potassium fertilizer rates. The information could be utilized as alternative selection criteria for maize genotypes with high-yielding potential. This research was conducted at the Experimental field of the Horticulture Seed Agency, Pekanbaru. Seven maize genotypes with four potassium fertilizer rates were grown in a 350 cm x 200 cm experimental plot with three replications. The genotypes used were Bisi 228. Pertiwi 3. Bisi 2. Decoral, Bisi 18. Betras 4. and Srikandi. Potassium fertilizer rates included 30 kg, 50 kg, 70 kg, and 90 kg per ha, respectively. Traits observed were plant height, tesseling flowering date, silking date, seed dry accumulation rate, effective seed filling period, cob length, cob weight, number of seed rows, number of seeds per cob, seed weight per cob, the weight of 100 seeds and seed yield per m2. Analysis of variance was performed to the data using SAS and further tested by honesty significant difference at 5% level. Variance component, heritability, genetic correlation coefficient, and selection response were calculated for all characters and effective seed filling duration. The results indicated that the genetic variance component was significant for all characters except for the dry matter accumulation rate. All characters' heritability values were quite high except for effective seed-filling duration and the number of seeds per cob. Phenotypic correlation coefficients were positively significant between seed yield per m2 and plant height, seed development rate, cob length, ear weight, number of seeds per ear, seed weight per ear, and weight of 100 seeds. The genetic correlations was significant between seed yield per m2 and plant height, seed development rate, number of seeds per ear, and seed weight per ear. All characters' direct selection response value is higher than the indirect selection response value.
IDENTIFIKASI TANAMAN RAMBUTAN (NEPHELIUM LAPPACEUM L.) LOKAL KABUPATEN BENGKALIS BERDASARKAN KARAKTER MORFOLOGI Solihin; Aslim Rasyad; Isnaini
DINAMIKA PERTANIAN Vol. 37 No. 3 (2021): Jurnal Dinamika Pertanian Edisi Desember 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(3).8931

Abstract

Even though rambutan is originating from Indonesia, its variability tents to decrease due to farmer selection to plant marketable varieties. The objectives of this study are to determine the diversity of several morphological characteristics and to analyse the relationship among rambutan plants in Bengkalis Regency. Thirty-one plants were chosen by purposive sampling in five districts of the Bengkalis Regency. Every plant was identified its morphological characteristic, including leaves, flowers, fruit, and seed characteristics. In general, most leaves, flower, fruit, and seed characteristics had from low to moderate variability. Tree characteristics, including canopy type growth habits and leaves length had high variability. Cluster analysis indicated that thirty-one plants were divided into three groups, namely group one consisted of two plants, group two consisted of 11 plants, and group three consisted of 18 plants.
KERAGAAN KEDELAI (Glycine max.) GENERASI M1 HASIL MUTASI VARIETAS DEGA 1 DENGAN BEBERAPA KONSENTRASI Ethyl Methane Sulphonate Aslim Rasyad; Bondan Fiarahman
DINAMIKA PERTANIAN Vol. 38 No. 1 (2022): Jurnal Dinamika Pertanian Edisi April 2022
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2022.vol38(1).10415

Abstract

Increasing soybean productivity required some effort as one is to develop new high-yielding varieties or improve existing varieties. To obtain an improved variety, one needs to obtain a population with high genetic variability to ease the selection of new suitable cultivars. In this study, we used to induce mutations using chemical mutagen, ie, Ethyl Methane Sulphonate (EMS), to increase the variability. This research had been conducted in the Plant Breeding Laboratory and the experimental farm of Riau University. Seeds of Dega-1 Variety were soaked in the solution of EMS in buffer phosphate within several concentrations ie, 200 ppm, 300 ppm, 400 ppm, 500 ppm, 600 ppm, and 700 ppm. The seed then were washed with aquadest to clean the remaining EMS solution and then planted together by initial Dega-1 as the control in the field experiment using a completely randomized design (RAL) with four replications. Parameters observed were plant height, number of internodes the age of flowering, age of harvest, number of pods per plant, number of filled pods per plant, number of seeds per plant, seed weight per plant, number of seeds per pod, and type of growth, flower color, and pod color. Population variances were calculated by Microsoft Excel software. The homogeneity of the variance was tested with HOV by the procedures of Levene’s test. The results showed that the induction of mutations with 200 ppm of EMS increased genetic variance in M1 generation compared to the Dega 1 variety for the most quantitative character, including plant height, number of pods per plant, number of filled pods per plant, number of seeds per plant, and seed weight per plant. Induce that the mutation by EMS solution, on the other hand, didn’t change all qualitative characters.
Co-Authors Bondan Fiarahman Dewi Indriyani Roslim Isnaini Solihin Suhartono Suhartono Syaiful Hadi Vera Magdaleni Manullang