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TINGKAT NAUNGAN PADA TEGAKAN TANAMAN KARET BELUM MENGHASILKAN DAN POTENSI PENGEMBANGAN TANAMAN SELA TUMPANGSARI Auzar Syarif, Nalwida Rozen, Hendra Aguzaen, Irfan Suliansyah
Menara Ilmu Vol 12, No 6 (2018): vol. XII No. 6 Juli 2018
Publisher : LPPM Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/mi.v12i6.916

Perkebuan karet rakyat secara umum masih bersifat pertanian monokultur danbelum mengembangkan teknologi pertanian polikultur pola tumpangsari.Permasalahanutama pada sistem pola tumpangsari dibawah tegakan tanaman karet adalah intensitascahaya yang rendah. Penelitian ini bertujuan untuk mengidentifikasi tingkat naungantegakan tanaman karet muda pada beberapa tingkat umur,dan jenis tanaman semusim yangpotensialsebagai tanaman sela tumpangsari.Studi literatur (reviewer journal) dilakukanuntuk mendapatkan data tanaman semusin sebagai tanaman sela. Survey (purposivesampling) untuk pengukuran lilit batang dan tingkat naungan yang dilakukan pada 9lokasi,dimana 3 lokasi untuk setiap tingkatumur tanaman karet (1-2, 2-3 dan 3-4 tahun).Penelitian ini memberikan simpulan, yaitu; Pada tingkat umur karet 1 – 2, 2 – 3, dan 3 – 4tahun memiliki rerata lilit batang karet masing-masing sebesar 15.78, 24.00, dan 31.89 cm,serta menghasilkan rerata tingkat naungan masing-masing sebesar 25.16%, 44.73%, dan68.45%; Pertanaman tanaman sela masih baik diusahakan hingga umur tanaman karet3tahun (tingkat naungan < 50%); Penggunaan varietas unggul toleran naungan beberapajenis tanaman pangan (seperti padi gogo, kedele, jagung dan lainya) dapat diusahakansebagai tanaman sela di bawah tegakan tanaman karet yang belum menghasilakan, danmenguntungkan petani.Kata kunci : naungan ,karet, tanaman sela

TINGKAT NAUNGAN PADA TEGAKAN TANAMAN KARET BELUM MENGHASILKAN DAN POTENSI PENGEMBANGAN TANAMAN SELA TUMPANGSARI Auzar Syarif, Nalwida Rozen, Hendra Aguzaen, Irfan Suliansyah
Menara Ilmu Vol 12, No 6 (2018): vol. XII No. 6 Juli 2018
Publisher : LPPM Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/mi.v12i6.916

Perkebuan karet rakyat secara umum masih bersifat pertanian monokultur danbelum mengembangkan teknologi pertanian polikultur pola tumpangsari.Permasalahanutama pada sistem pola tumpangsari dibawah tegakan tanaman karet adalah intensitascahaya yang rendah. Penelitian ini bertujuan untuk mengidentifikasi tingkat naungantegakan tanaman karet muda pada beberapa tingkat umur,dan jenis tanaman semusim yangpotensialsebagai tanaman sela tumpangsari.Studi literatur (reviewer journal) dilakukanuntuk mendapatkan data tanaman semusin sebagai tanaman sela. Survey (purposivesampling) untuk pengukuran lilit batang dan tingkat naungan yang dilakukan pada 9lokasi,dimana 3 lokasi untuk setiap tingkatumur tanaman karet (1-2, 2-3 dan 3-4 tahun).Penelitian ini memberikan simpulan, yaitu; Pada tingkat umur karet 1 – 2, 2 – 3, dan 3 – 4tahun memiliki rerata lilit batang karet masing-masing sebesar 15.78, 24.00, dan 31.89 cm,serta menghasilkan rerata tingkat naungan masing-masing sebesar 25.16%, 44.73%, dan68.45%; Pertanaman tanaman sela masih baik diusahakan hingga umur tanaman karet3tahun (tingkat naungan < 50%); Penggunaan varietas unggul toleran naungan beberapajenis tanaman pangan (seperti padi gogo, kedele, jagung dan lainya) dapat diusahakansebagai tanaman sela di bawah tegakan tanaman karet yang belum menghasilakan, danmenguntungkan petani.Kata kunci : naungan ,karet, tanaman sela

Organic Fertilizer Titonia Plus and Micro Nutrients Improved Rice (Oryza sativa L.) Production in Koto Panjang and Koto Tingga, Padang City, West Sumatera, Indonesia Rozen, Nalwida; Gusnidar, Gusnidar; Hakim, Nurhajati
Journal of Tropical Crop Science Vol 7 No 01 (2020): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

A series of on-farm fi eld experiments were conducted in two locations in Padang, Koto Panjang and Koto Tingga, West Sumatera, Indonesia in 2015. The purpose of the experiment was to establish the formula of organic fertilizer derived from Tithonia supplied with micro nutrients, Zn and Mn, on rice. The experiments were conducted using completely-randomized block design with six treatments and three replications. The treatments were P = Tithonia Organic Fertilizer Plus (TOFP) + 3.0 kg Mn.ha-1, Q = TOFP + 3.0 kg Mn.ha-1+ 3.0 kg Zn.ha-1, R = TOFP + 4.5 kg Mn.ha-1 + 6 kg Zn.ha-1, S= TOFP + 4.5 kg Mn.ha-1+ 9 kg Zn.ha-1, T = TOFP only, U = 100% chemical fertilizer only. Treatment with micro nutrients as addition to TOFP (TOFP+ 3.0 kg Mn.ha-1 and TOFP+ 3.0 kg Mn.ha-1+3.0 kg Zn.ha-1) increased rice grain yield by 80 g per clump.

IDENTIFIKASI KARAKTER VEGETATIF BEBERAPA GENOTIPE PADI LOKAL KABUPATEN KUANTAN SINGINGI Ezward, Chairil; Indra Dwipa, Irfan Suliansyah, Nalwida Rozen,
Menara Ilmu Vol 14, No 2 (2020): VOL. XIV NO. 2 JANUARI 2020
Publisher : LPPM Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/mi.v14i2.1749

Characterization is an observation process with the aim to find out the character of a plant. This study aims to identify and characterize 26 local rice genotypes in Kuantan Singingi Regency in the growth phase. This study uses a deliberate sampling method (purposive random sampling). Data was collected by identifying the characteristics of 26 local rice genotypes in Kuantan Singingi Regency directly to the field. Location data collection which is used as a place for sampling is done through exploration. Data observations were made on samples based on the Ministry of Agriculture's (2013) and IRRI's (2007) rice characterization and evaluation system guidelines. The observed characters are qualitative and quantitative characters. Qualitative characters are characters that cannot be measured in units but can be converted through scoring data. Quantitative characters are characters that can be measured by the instrument and have units. Observations on quantitative data are : Plant length, stem diameter, leaf blade length, leaf blade width, ligula length, number of tillers. While the qualitative data are: Auricle color / auricle (WA). Ligule shape / leaf tongue (BL). Color Ligule / leaf tongue (WL). Color Collar / leaf collar (WCo). Plant Shape (BT). Observation data is processed using software Ms. Excel and (NTSYS-pc) version 2.02. Obtained a diversity of morphological characters in the vegetative phase, both quantitative and qualitative. Similarity analysis of 26 local rice genotypes with a 30% similarity coefficient resulted in six (6) groups. Keywords : Characterization, morphology, rice

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

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.

Resistance Of Local Rice Genotypes Against Brown Planthopper Pest In Kuantan Singingi Regency Chairil Ezward; Irfan Suliansyah; Nalwida Rozen; Indra Dwipa
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol 4 No 1 (2022): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v4i1.1809

Produksi beras dunia hilang 25% setiap tahun karena kerusakan yang disebabkan oleh hama serangga, sepeti wereng. Salah satu upaya untuk mengendalikan hama wereng batang coklat yaitu dengan menggunakan genotipe lokal yang tahan. Penelitian ini bertujuan untuk mengetahui intensitas serangan dan tingkat ketahanan dari dua puluh empat genotipe lokal Kabupaten Kuantan Singingi terhadap hama wereng batang coklat. Penelitian ini menggunakan metode Rancangan Acak Lengkap satu faktor dengan empat ulangan. Faktor perlakuan yang dicobakan adalah 24 genotipe padi local Kabupaten Kuantan Singingi ditambah satu varietas yang tahan (Inpari 13) dan satu varietas yang rentan (TN1). Hasil penelitian menunjukan bahwa seluruh genotipe yang diuji 100% terserang wereng batang coklat dengan tingkat intesitas serangan yang berbeda-beda. Berdasarkan tingkat intensitas serangan ditemukan katagori ringan dan berdasarkan SES IRRI 2013 ditemukan genotipe dengan kriteria tahan, yaitu pada genotipe Padi Sironda Putih (PL01), Padi Singgaro Merah (PL06), Padi Kuning Umur Panjang (PL07), Padi Ros (PL08), Padi Samo Putih (PL09), Padi Limbayang (PL10), Padi Sokan Umur Panjang (PL12), Padi Singgam Putih (PL14), Pulut Benai (PL17), Padi Kuning (PL21), Padi Gondok (PL22) dan Padi Katiok Putih (PL24). Tingkat intesitas serangan dengan katagori sedang terdapat pada genotipe Padi Saronda Merah (PL02), Pulut Hitam (PL04), Padi Ronda Putiah (PL05), Pulut Benai (PL13), Padi Singgam Kuriak (PL15), Pulut Kari (PL16), Padi Putih (PL19), Pulut Lupo Ka Laki (PL20) dan Padi Saronda Kuning (PL23). Tingkat intesitas serangan dengan katagori berat terdapat pada genotipe Padi Pandan Wangi (PL03), Pulut Karate (PL11) dan Padi Kuning (PL18).

APLIKASI UNSUR MIKRO PADA PADISAWAH INTENSIFIKASI YANG DIBERI PUPUK ORGANIK TITONIA PLUS PADA METODE SRI Nalwida Rozen; Nurhajati Hakim; Gusnidar Gusnidar
Jurnal Solum Vol 14, No 1 (2017): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Penggunaan pupuk sintetik merupakan faktor penentu produksi terbesar, tetapi harganya makin mahal, sehingga menjadi masalah nasional. Oleh karenanya, pupuk alternatif harus ditemukan, salah satunya adalah POTP. Pupuk organik titonia plus (POTP) dapat mengurangi aplikasi pupuk sintetik hingga 50% dalam meningkatkan hasil padi pada sawah bukaan baru di Dharmasraya, serta sawah intensifikasi di Padang, Solok, dan di Tanah Datar. Akan tetapi, hasil padi pada sawah intensifikasi dengan POTP tersebut masih sekitar 6 ton/ha, pada hal hasil optimal yang diharapkan dengan POTP sekitar 8 ton/ha. Hal itu diduga akibat adanya gejala kekurangan unsur hara mikro. Unsur hara mikro apa yang diperlukan dalam pembuatan POTP belum diketahui. Tujuan penelitian ini adalah: untuk melengkapi formula POTP dengan unsur hara mikro untuk mengurangi aplikasi pupuk sintetik hingga 50% pada sawah intensifikasi dengan target hasil gabah sekitar 8 ton/ha. Hasil penelitian sebelumnya didapatkan 3 kombinasi Mn dan Zn yang ditambahkan dalam pembuatan POTP. Tiga formula POTP tersebut telah diteliti di lapangan pada dua lokasi sawah intensifikasi di kota Padang. Hasilnya formula POTP+3,0kgMn/ha+0kgZn/ha dan POTP+3,0kgMn/ha+3,0kgZn/ha dan POTP+4,5kgMn+6kgZn dapat diaplikasikan ke sawah, untuk diuji multi lokasi di kabupaten Solok dan Tanah Datar. Perlakuan yang dilakukan pada dua lokasi tersebut adalah POTP+3,0kgMn/ha+0kgZn/ha, POTP+3,0kgMn/ha+3,0kgZn/ha, POTP+4,5kgMn+6kgZn, POTP saja, dan 100% pupuk sinntetik. Rancangan yang digunakan berupa rancangan acak kelompok (RAK) dengan 3 kelompok. Hasil terbaik yang telah dilakukan pada sawah intensifikasi di Kabupaten Tanah Datar dan Solok adalah formula POTP+3kgMn/ha+3kgZn/ha serta POTP+3kgMn/ha+3kgZn/ha. Penambahan unsur mikro memberikan peningkatan hasil sebanyak 3,8 15%. Kata kunci: padi, unsur hara mikro, dan POTP

The article Response of Two Rice Varieties Grown using SRI Method in Two Different Locations Nalwida Rozen
JERAMI Indonesian Journal of Crop Science Vol 1 No 1 (2018): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Application of system of rice intensification (SRI) method has been considered as one of powerful efforts to increase the harvested yield by modifying the plant and itssurrounding environment. This study was aimed to determine the effect of different environment towards the response of rice varieties grown using SRI method. Two rice varieties, Batang Piaman and IR-42 were grown in District of Tanjuang Barulak (Regency of Tanah Datar) and District of Saniang Baka (Regency of Solok). Plant height and several yield parameters, such as productive tillers, panicle length, grain number per panicle, and yield per plot were assessed from both varieties and locations. Statistical analysis was conducted using randomized block design (RDB) and significance was further evaluatedusingDuncan’s New Multiple Range Test (DNMRT) with a p>0.05. Batang Pariaman appeared in taller performance than IR-42. Regarding the number of productive tiller, Batang Piaman resulted more productive tillers in Solok, while IR-42 was dominant in number of productive tiller compared to Batang Piaman in Tanah Datar. Unlike IR-42, Batang Piaman exhibited longer panicle, more grain amounts per panicle, and higher yield per plot than IR-42 in both locations.

The Viability And Vigor Of Rice Varieties (Oryza Sativa L. ) Under High Temperature Afrima Sari; Aswaldi Anwar; Nalwida Rozen
JERAMI Indonesian Journal of Crop Science Vol 2 No 1 (2019): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

The growth and initial development of the plant greatly determines the survival of the plant at the next stage. This initial phase is also the most sensitive phase of abiotic stress. The level of viability and vigor to produce normal sprouts can explain the success of germination. The aim of this research is to study the temperature change to viabilily and vigor in four rice varieties. Research started from January to February 2018 at Seed Technology and Plant Physiology Laboratory Andalas University and Chemistry Laboratory University Of Padang. This research applies Factorial Experiment in Completely Random Design, where the first factor is four levels of rice varieties, Anak Daro, Batang Piaman, Cisokan and Inpari 30. The second factor is temperature level, 28 0C, 32 0C, 36 0C, 40 0C, 44 0C and 48 0C. Viability and vigor decrease when temperature increase. The optimum temperature for rice germination is 28-32 0 C for Anak Daro, 28-36 0 C for Cisokan, at 28 0 C for Batang Piaman and Inpari 30. Anak Daro and Inpari 30 can germinate until 40 0C. The highest vigor index value at 28 0 C in Cisokan and Inpari 30 (89,33 %). At 28-32 0C Cisokan, Batang Piaman and Inpari 30 has been able to germinate on the second day after planting, but Anak Daro can normal germinate on the third day after planting.

Growth Response Of SRI Rice In Suboptimal Land To Application Of Cattle Manure And Kieserite Nalwida Rozen; Musliar Kasim; Agustian Agustian; Indra Dwipa
JERAMI Indonesian Journal of Crop Science Vol 2 No 2 (2020): 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.2.2.60-64.2020

Population growth rates cause an increase in food demand, but the planting area is decreasing due to land-use change. The land available to be utilized by farmers is mostly suboptimal land. The disadvantages of suboptimal land are low pH values (4.7) and a small number of nutrients (Nitrogen = 0.11%, Phosphorus = 0.45 ppm, very low Carbon, very high Aluminum, and medium Cation exchange capacity) and for increasing the value of suboptimal land can be given organic fertilizer such as cattle manure and kieserite. This study aims to determine the effect of cattle manure and kieserite on rice growth with the SRI planting system in suboptimal land. The study was carried out in farmers' paddy fields at Ambacang Market, Kuranji District, Padang from June to October 2019. This experiment uses a completely randomized design (CRD). Data were analyzed by the F test at a 5% significance level. If it is significantly different, it is continued with the Honestly Significant Difference test (HSD) at the 5% significance level. The results showed that the application of cattle manure and kieserite can increase the height of rice plants and the number of tillers.

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