scholarly journals Karakter Habitus dan Viabilitas Biji Tanaman Biduri (Calotropis gigantea) Aksesi Lombok Tengah Bagian Selatan

2021 ◽  
Vol 7 (1) ◽  
pp. 114-133
Author(s):  
Yuliani Ahmad ◽  
M. Taufik Fauzi ◽  
Bambang Budi Santoso
Keyword(s):  
Fruit Size ◽  
Seed Viability ◽  
Growth Potential ◽  
Calotropis Gigantea ◽  
Survey Techniques ◽  
South Central ◽  
Randomized Design ◽  
Panicle Number ◽  
Seed Growth ◽  
Two Factors

This study aims to describe the morphological character and seed growth potential of biduri (Calotropis gigantea) accession growing in the tourist area of South Central Lombok (Kuta Mandalika, Tanjung Aan, and Seger), and was carried out during February-August 2020. The method used was descriptive observative with survey techniques and sampling by purposive sampling based on the population of biduri. The seed growth experiment used a completely randomized design in a greenhouse consisting of two factors, namely the type of substrate and accession, which was repeated three times, so that there were 18 experimental units. The results shows that the Kuta Mandalika Biduri accession was showed superiority in the number of fruit characters per panicle. Tanjung Aan accessions excel in branching characters (primary and secondary branches), number of panicles per tree, number of flowers per panicle, number of fruits per tree and fruit size. Meanwhile, Seger accessions were superior in terms of plant height, seed size and weight of 100 seeds. There were no character differences in seed viability of the three accessions. The closest genetic-relationship occurs in the Kuta Mandalika accession of plot 2 sample 2 with the Kuta Mandalika accession of plot 3 sample 1 marked with a coefficient value of 1.00. Meanwhile, the furthest relationship was found in the Kuta Mandalika accession of plot 1 sample 1 with Tanjung Aan accession of plot 2 sample 2 marked with a coefficient value of 33.932. 

scholarly journals Dampak Letak Buah Pada Pohon dan Perlakuan Benih Terhadap Perkecambahan Benih Kakao (Theobroma cacao L.)

Jurnal Agrium ◽  
2018 ◽  
Vol 14 (1) ◽  
pp. 1
Author(s):  
Ahmad Fauzi ◽  
Faisal Faisal ◽  
Muhammad Rafli
Keyword(s):  
Growth Rate ◽  
Maximum Growth ◽  
Growth Potential ◽  
Cocoa Bean ◽  
Potential Growth ◽  
Randomized Design ◽  
Vigor Index ◽  
Seed Growth ◽  
Two Factors ◽  
Germination Vigor

This study aims to determine the effect of the location of fruit on trees and treatment on seeds to germination cocoa. This study was conducted in Tumpok Teungoh Village, Banda Sakti Sub-district, Lhokseumawe City, August to September 2016. This study used Completely Randomized Design with 3 replications. Two factors studied were (a) the location of the fruit on the tree where L1 = The location of the fruit on the stem and L2 = The location of the fruit on the branch. (b) treatment factor in seeds where P1 = Without pulp clearance, P2 = Pulp cleansing. The parameters observed were potential growth, germination, vigor index, growth rate and synchronization of cocoa seed growth. The result of variance analysis showed that the fruit difference treatment did not affect the observation of maximum growth potential and cocoa seed germination, but it influenced the observation of vigor index, growth rate and synchronization of cocoa seed growth. Treatment of pulp cleansing did not affect the observation of growth potential, germination, growth rate and synchronization of seed growth, but pulp cleansing treatment had an effect on observation of vigor index of cocoa seed. There was no interaction between fruit difference treatment and treatment of cocoa bean pulp cleansing of all observed parameters

scholarly journals Seed viability and growth of Salak seedling (Salacca edulis Reinw) due to the different concentration and soaking time of gibberellin (GA3)

2019 ◽  
Vol 6 (3) ◽  
pp. 448-457
Author(s):  
Sindi Kartikasari ◽  
Syaiful Anwar ◽  
Florentina Kusmiyati
Keyword(s):  
Seed Dormancy ◽  
Root Length ◽  
Seed Viability ◽  
Maximum Growth ◽  
Growth Potential ◽  
Seedling Height ◽  
Percentage Germination ◽  
Soaking Time ◽  
Central Java ◽  
Randomized Design

Hard bark seeds are one of the causes of long seed dormancy. The solution of salacca seed dormancy is done by soaking the seeds using gibberellin. The aim of this research to examine the effect of different concentration and soaking time of gibberellin on seed viability and growth of salak seedling. The research was conducted on May – July 2019 in Green House of Food Plant and Horticultural Protection Center, Central Java. The study used a Completely Randomized Design (CRD) 4 x 4 with 3 replications, each replications using 5 seeds. The first factor was concentration of gibberellin (G0: 0 ppm, G1: 20 ppm, G2: 40 ppm, G3: 60 ppm). The second factor was soaking time of gibberellin (S0: 10 minutes, S1: 25 minutes, S2: 40 minutes, S3: 55 minutes). Data were analyzed by variance and proceeded with Duncan Multiple Range Test (DMRT) at level 5% and orthogonal polynomial test. The observed variables were percentage of germination, maximum growth potential, seedling height, number of leaves, and root length. The results showed that the highest of percentage germination, maximum growth potential, and seedling height were observed in the 60 ppm of gibberellin concentration. The highest of percentage germination, maximum growth potential, and seedling height were researched in the soaking time 55 minutes. The highest root length was observed in the treatment of 60 ppm of GA3 and soaking time 55 minutes.

scholarly journals Pengaruh Dosis Pupuk NPK dan Pemangkasan Tunas Lateral Terhadap Pertumbuhan dan Hasil Tanaman Semangka (Citrullus vulgaris Schard)

2020 ◽  
Vol 3 (2) ◽  
pp. 109-116
Author(s):  
Azzura Azzura ◽  
Nanda Mayani ◽  
Bakhtiar Bakhtiar
Keyword(s):  
Seed Viability ◽  
Agricultural Science ◽  
Growth Potential ◽  
Dose Effect ◽  
Study Program ◽  
Citrullus Vulgaris ◽  
Randomized Design ◽  
Lateral Shoots ◽  
Npk Fertilizer ◽  
Completely Randomized Design

Abstrak. Salah satu teknik budidaya untuk mendapatkan hasil semangka yang baik adalah dengan pemupukan yang tepat dan pemangkasan. Jenis pupuk anorganik yang digunakan dalam budidaya tanaman semangka adalah pupuk NPK Majemuk. Sementarapemangkasan adalah suatu kegiatan membuang bagian tanaman yaitu bagian pucuk, cabang atau ranting tanaman sehingga terjadi penimbunan karbohidrat, protein dan hormon yang merangsang keluarnya bunga dan buah. Penelitian dilaksanakan di Desa Paloh Jeureula, Kecamatan Sakti Kabupaten Pidie dan Laboratorium Hortikultura Fakultas Pertanian Universitas Syiah Kuala yang berlangsung dari bulan September sampai November 2017. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola faktorial yang terdiri dari 4 perlakuan dosis pupuk NPK dan 2 perlakuan pemangkasan yang diulang sebanyak 3 kali sehingga terdapat 8 kombinasi perlakuan yang terdiri dari 24 unit percobaan dengan 6 sampel untuk setiap unit percobaan. Hasil penelitian menunjukkan bahwa dosis pupuk NPK yang tepat untuk pertumbuhan dan hasil tanaman semangka yaitu 160 g/tanaman, sementara pemangkasan tunas yang terbaik untuk pertumbuhan dan hasil tanaman semangka yaitu pemangkasan tunas lateral. Kombinasi perlakuan yang terbaik untuk pertumbuhan dan hasil tanaman semangka yaitu dosis pupuk NPK 160 g/tanaman dengan pemangkasan tunas lateral.The Dose Effect of NPK Fertilizer and Pruning of Watermelon Lateral Shoots on Growth and Plant Result (Citrullus vulgaris Schard)Abstract. The low production of red pepper plants in Indonesia is partly caused by disease attacks and unavailability of high quality seeds or have low viability. Biological Seed Treatment using rhizobacteria is one of the innovations developed for disease control and growth of plants. This research has been carried out in Agricultural Science and Technology Laboratory of Agrotechnology Study Program Faculty of Agriculture Unsyiah. The study was conducted from May to July 2017. This study used a Completely Randomized Design (RAL) of non factorial pattern in experiment I consisted of 18 treatments repeated 3 times so that each of 54 experiments on pathogenic Phytophthora capsici and 54 units of experiments was obtained pathogen Colletotrichum capsici to obtain 108 total unit of experiment. In the second experiment using Completely Randomized Design (RAL) the factorial pattern consisted of 19 rizobacterial treatments and 2 repeated treatments of varieties 2 times. Thus there were 38 treatment combinations consisting of 48 experimental units with 25 plant units in each treatment. The result of experiment I showed that isolate SRK 5 (1) from Serulee Kayu Village, Bukit Subdistrict, Bener Meuriah Regency was able to suppress the growth of C. capsici pathogens with 82.22% inhibition and against P. capsici 71.11% . The results of experiment II showed that rizobakteri effective as plant growth enhancer (RPPT) to germination process of red chilli seedlings in increasing seed viability and vigor to maximum growth potential and germination is isolate KTK 8 (5) where the varieties of PM999 is better than Taro varieties, but the different isolates of SRK 5 (1), HWI 4 (1) and BS3 5 (3) were able to increase the vigor index on higher Taro varieties compared to the PM999 varieties. While the effect of rizobacterial treatment on the growth of red chili seedlings has not shown a significant increase in the two varieties tested.The Dose Effect of NPK Fertilizer and Pruning of Watermelon Lateral Shoots onGrowth and Plant Result (Citrullus vulgaris Schard)

scholarly journals Pengaruh konsentrasi auksin dalam hydropriming benih cabai yang berbeda tingkat kadaluarsa terhadap viabilitas benih

2018 ◽  
Vol 3 (4) ◽  
pp. 159-167
Author(s):  
Belangie Tuahte Gundala ◽  
Trisda Kurniawan ◽  
Halimursyadah Halimursyadah
Keyword(s):  
Seed Viability ◽  
Maximum Growth ◽  
Test Method ◽  
Growth Potential ◽  
Paper Test ◽  
Randomized Design ◽  
Vigor Index ◽  
Treated Seed ◽  
Unit Unit ◽  
Banda Aceh

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan konsentrasi auksin dalam hydropriming dan tingkat kadaluarsa serta interaksi keduanya terhadap viabilitas benih cabai kadaluarsa. Penelitian ini dilaksanakaan di Laboratorium Ilmu dan Teknologi Benih Jurusan Agroteknologi Fakultas Pertanian Universitas Syiah Kuala, Banda Aceh dari bulan Maret sampai Juni 2018. Unit-unit penelitian disusun berdasarkan Rancangan Acak Lengkap pola faktorial 4x3 dengan 3 ulangan dan dilanjutkan dengan uji Beda Nyata Jujur taraf 5% pada hasil uji F yang signifikan. Faktor pertama adalah perendaman dalam larutan auksin dengan konsentrasi : 0, 2, 4, dan 6 g L-1 dan faktor kedua adalah tingkat kadaluarsa dengan 3 taraf yaitu 4, 8 dan 12 bulan. Benih yang telah diperlakukan dikecambahkan dengan metode Uji Diatas Kertas. Hasil penelitian menunjukkan bahwa perlakuan konsentrasi auksin berpengaruh sangat nyata terhadap tolok ukur potensi tumbuh maksimum, indeks vigor dan kecepatan tumbuh relatif, berpengaruh nyata pada tolok ukur daya berkecambah dan keserempakan tumbuh. Tingkat Kadaluarsa berpengaruh sangat nyata terhadap tolok ukur potensi tumbuh maksimum dan daya berkecambah. Perlakuan konsentrasi auksin  2 g L-1 dengan tingkat kadaluarsa 4 bulan merupakan kombinasi perlakuan terbaik berdasarkan tolok ukur potensi tumbuh maksimum (97,33%).The Effect of Auxin Concentrations in Hydropriming and Levels of Expired Chilli Seed to Seed ViabilityAbstract. The purposes of this research were to know the effect of auxin concentrations in hydropriming and levels of seed expired and interaction between them to chilli seed viability. This research was conducted at the Laboratory of Seed Science and Technology Department of Agrotechnology Faculty of Agriculture, Syiah Kuala University, Banda Aceh from March to June 2018. Research units were arranged based on factorial Completely Randomized Design 4x3 with 3 replicates, continued with Honesty Significant Different on significant F-test results. The first factor was immersion in auxin solution with concentration: 0, 2, 4, and 6 g L-1 and the second factor was expired level with 3 levels 4, 8 and 12 months. Treated seed were planted on paper test method and in trays added with soil. The results showed that the auxin concentration treatment had a very significant effect on the maximum growth potential, vigor index and relative growth rate, significant effect on germination power and The expiration rate had a very significant effect on the maximum growth potential and germination power. Treatment of 2 g L-1 auksin concentration with 4 month expiration rate was the best treatment combination based on maximum growth potential (97,33%).

scholarly journals Pematahan Dormansi Benih Kelapa Sawit (Elaeis guineensisJacq.) dengan Perendaman dalam Air Panas dan Variasi Konsentrasi Ethephon

2013 ◽  
Vol 1 (1) ◽  
pp. 72 ◽  
Author(s):  
Belladina Farhana ◽  
Satriyas Ilyas ◽  
Lalu Firman Budiman
Keyword(s):  
Water Temperature ◽  
Maximum Growth ◽  
Hot Water ◽  
Growth Potential ◽  
Processing Unit ◽  
Radicle Growth ◽  
Seed Processing ◽  
Randomized Design ◽  
Two Factors ◽  
Drying Treatment

<p style="text-align: justify;">This research was held from April to July 2012, located in the seed processing unit of PT Astra Agro Lestari Tbk, Central Borneo. The study consisted of three experiments, the first experiment to determine the effect of water temperature and immersion intensity of seed germination. The first experiment used completely randomized design (CRD) factorial with two factors, water temperature: 27, 60, 70, 80, 90<sup>o</sup>C and immersion intensity: 1x24, 2x24, 3x24 hours. The second experiment used a single factor of CRD namely ethephon concentration: 0, 0.4, 0.8, 1.2, 1.6%. The third experiment was a continuation from the second experiment with the adding heat drying treatment during a week. The result showed that 3x24 hours soaking treatment in 80<sup>o</sup>C hot water increased the germination, soaking in ethephon 0.4% inhibited radicle growth resulted abnormal seedlings. Soaking seed in 80<sup>o</sup>C hot water for 3x24 hours and followed by ethephon and then heat drying treatment for a week increased germination (52.0% maximum growth potential) but still ineffective to break seed dormancy.</p><p>Key Words: breaking dormancy, ethephon, hot water treatment, oil palm seeds</p>

scholarly journals Efektivitas Invigorasi Benih Cabai (Capsicum annuum L) Kadaluarsa Menggunakan Rizobakteri Pemacu Pertumbuhan Tanaman

2020 ◽  
Vol 5 (2) ◽  
pp. 121-129
Author(s):  
Hafiz Juanda ◽  
Hasanuddin Hasanuddin ◽  
Syamsuddin Syamsuddin
Keyword(s):  
Capsicum Annuum ◽  
Bacillus Megaterium ◽  
Maximum Growth ◽  
Growth Potential ◽  
Growth Speed ◽  
Department Of Agriculture ◽  
Capsicum Annuum L ◽  
Randomized Design ◽  
Two Factors ◽  
Banda Aceh

Abstrak. Penelitian ini bertujuan untuk mengetahui Efektivitas Invigorasi Benih Cabai (Capsicum annuum L.) Kadaluarsa Menggunakan Rizobakteri Pemacu Pertumbuhan Tanaman. Penelitian ini dilaksanakan di Laboratorium Ilmu dan Teknologi Benih Program Studi Agroteknologi Fakultas Pertanian Universitas Syiah Kuala Darussalam Banda Aceh. Penelitian dilaksanakan mulai pada bulan Januari 2020. Pada penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktorial 2X9 dengan dua faktor yang diteliti. Faktor pertama varietas (V) yang terdiri dari 2 taraf yaitu: V1 (Lado F1) dan V2 (Krida F1). Faktor kedua jenis Rizobakteri (R) yang terdiri dari 9 taraf yaitu R0 : Kontrol, R1 : Bacillus larvae, R2 : Pseudomonas capasia, R3 : Azotobacter sp. R4 : Acitinobacillus suis, R5 : Bacillus polymixa, R6 : Bacillus megaterium, R7 : Bacillus stearothermophillus, R8 : Bacillus lichiniformis. Dengan demikian terdapat 18 kombinasi perlakuan. Masing - masing kombinasi perlakuan diulang sebanyak tiga kali, dengan demikian terdapat 54 satuan percobaan. Peubah yang diamati adalah potensi tumbuh (%), daya berkecambah (%), keserampakan tumbuh (%), indeks vigor (%), kecepatan tumbuh relatif (%) dan T50 (%). Hasil penelitian yang dilakukan menunjukkan bahwa interaksi antara rizobakteri jenis Azotobacter dengan varietas Lado F1 efektif dalam meningkatkan potensi tumbuh maksimum dan daya berkecambah. Interaksi antara rizobakteri jenis Bacillus polymixa dengan varietas Krida F1 efektif dalam meningkatkan potensi tumbuh maksimum dan daya berkecamabah.The Effectiveness of Invigorating Chili Seeds (Capsicum annuum L.) Expired Using Rhizobacteria Booster Plant GrowthAbstract. This study aims to determine the effectiveness of the Invigoration of Expired Chilli (Capsicum Annum L.) Seeds Using Plant Growth Booster Rizobacteria. This research was carried out in the Seed Science and Technology Laboratory of the Department of Agriculture, Faculty of Agriculture, Syiah Kuala University, Banda Aceh. The study was conducted starting in January 2020. In this study used a 2X9 factorial Complete Randomized Design (CRD) with two factors examined. The first factor is variety (V) which consists of 2 levels, namely: V1 (Lado F1) and V2 (Krida F1). The second factor is the type of Rizobacteria (R) which consists of 9 levels, namely R0 : Control, R1 : Bacillus larvae, R2 : Pseudomonas capasia, R3 : Azotobacter sp, R4 : Acitinobacillus suis, R5 : Bacillus polymixa, R6: Bacillus megaterium, R7: Bacillus stearotherinoph, R8 : Bacillus lichiniformis. Thus there are 18 treatment combinations. Each treatment combination was repeated three times, thus there were 54 experimental units. The observed variables were growth potential (%), germination (%), growth uniformity (%), vigor index (%), relative growth speed (%), and T50 (%). The results of the research showed that the interaction between Azotobacter rizobacteria and Lado F1 varieties was effective in increasing maximum growth potential and germination. The interaction between Bacillus polymixa rizobacteria and Krida F1 variety is effective in increasing the maximum growth potential and the ability to contaminate

scholarly journals Pengaruh Letak Posisi Eksplan dan Sitokinin Pada Perkecambahan Biji Manggis (Garcinia mangostana L.) Lokal Aceh Secara in-Vitro

Jurnal Agrium ◽  
2018 ◽  
Vol 14 (2) ◽  
pp. 1
Author(s):  
Rd Selvy Handayani ◽  
Maisura Maisura ◽  
Astia Rizki
Keyword(s):  
Tissue Culture ◽  
Garcinia Mangostana ◽  
Randomized Design ◽  
Explant Position ◽  
Seed Growth ◽  
Two Factors ◽  
Bud Growth ◽  
Modern Biotechnology ◽  
Completely Randomized Design

The application of modern biotechnology is needed in order to enhance the genetic diversity of mangosteens. The application of tissue culture on mangosteens is an important thing to do to support the biotechnology program of mangosteen plants. The purpose of this research is to reveal the influence of location of explants and Benzylaminopurine (BAP) concentration on germination of local Acehnese mangosteens in vitro. This research was conducted at the Laboratory of tissue culture of the Faculty of Agriculture, Malikussaleh University from March to May 2017. The study used an environmental design in the form of Completely Randomized Design (CRD) with two factors. The first factor is the location of explant position is abaxial (L1) and adaxial (L2). The second factor was the concentration of BAP 0 mg / L (B0), 2.5 mg / L (b1), and 5 mg / L (B2). The results showed that the position of eksplan gave an effect on mangosteen germination in vitro for its shoot length variables. The explant positions that had the best effect on the growth of in vitro mangosteen sprouts were adaxial. BAP concentration had an effect on germination of mangosteen in vitro for its bud growth and life percentage. 2.5 ppm of BAP concentration was the best concentration for mangosteen seed growth in vitro. There was no interaction between eksplan position and BAP concentration in all observed variables

scholarly journals Efektivitas Seed Coating dan Biopriming dengan Rizobakteri dalam Mempertahankan Viabilitas Benih Cabai dan Rizobakteri selama Penyimpanan

2018 ◽  
Vol 8 (3) ◽  
pp. 192
Author(s):  
Ita Madyasari ◽  
Candra Budiman ◽  
Syamsuddin , ◽  
Dyah Manohara ◽  
Satriyas Ilyas
Keyword(s):  
Sodium Alginate ◽  
Seed Treatment ◽  
Seed Viability ◽  
Storage Period ◽  
Seed Vigor ◽  
Hot Pepper ◽  
Seed Coating ◽  
Control Seed ◽  
Randomized Design ◽  
Two Factors

<p align="center"><strong><em>ABSTRACT</em></strong></p><p><em>The objective of the study was to obtain the best coating formula for hot pepper seeds, and evaluate the effect of seed coating and biopriming with rhizobacteria on viability of hot pepper seeds and rhizobacteria during storage. </em><em>Experiment 1 was arranged in a completely randomized design with one factor i.e. 11 coating formula. Experiment 2 was arranged in a nested plot design with two factors, storage period (0, 4, 8, 12, 16, 20, and 24 weeks) as main factor and seed treatment consisted of 11 treatments (control, seed coating with E1+F2B1, ST116B, CM8; biopriming 24 h with E1+F2B1, ST116B, CM8; biopriming 48 h with E1+F2B1, ST116B, and CM8; priming metalaxyl) as nested factor. Result of experiment 1 indicated that the</em><em> best coating formula for hot pepper seed was sodium alginate 2.5% and was used in experiment 2. </em><em>Experiment 2 showed that seed coating and biopriming with rhizobacteria were able to maintain seed viability (79-89%) for 24 weeks of storage at 27-30 <sup>0</sup>C as compared to priming metalaxyl (54%). Biopriming E1+F2B1 24 h or CM8 48 h resulted in the highest index of seed vigor after 24 weeks of storage. Population of rhizobacteria in seed tissue decreased in bioprimed seeds from 10<sup>5</sup>-10<sup>7</sup> cfu g<sup>-1</sup> to 10<sup>4 </sup>cfu g<sup>-1</sup> after being stored for 24 weeks. </em></p><p><em>Keywords: rhizobacteria isolates, seed treatment, seed vigor, sodium alginate</em></p><p><em> </em></p><p align="center"><strong>ABSTRAK <br /></strong></p><p>Penelitian ini bertujuan mendapatkan formula <em>coating</em> terbaik pada benih cabai dan mengevaluasi pengaruh <em>seed coating</em> dan <em>biopriming</em> dengan rizobakteri dalam mempertahankan viabilitas benih cabai dan rizobakteri selama penyimpanan. Percobaan 1 menggunakan rancangan acak lengkap satu faktor yang terdiri atas 11 formula <em>coating</em>. Percobaan 2 menggunakan rancangan petak tersarang dua faktor, periode simpan (0, 4, 8, 12, 16, 20, dan 24 minggu) sebagai faktor utama dan perlakuaan benih yang terdiri atas 11 perlakuan (kontrol, <em>seed coating </em>dengan E1+F2B1<em>, </em>ST116B<em>, </em>CM8<em>; biopriming </em>24 jam dengan E1+F2B1<em>, </em>ST116B, CM8; <em>biopriming </em>48 jam dengan E1+F2B1<em>, </em>ST116B, dan CM8<em>; priming </em>metalaksil)<em> </em>sebagai faktor tersarang<em>.</em> Hasil Percobaan 1 menunjukkan bahwa formula <em>coating</em> terbaik untuk benih cabai ialah natrium alginat 2.5% dan digunakan pada percobaan 2. Percobaan 2 menunjukkan bahwa <em>seed coating</em> dan <em>biopriming</em> dengan rizobakteri mampu mempertahankan viabilitas benih (78-89%) selama 24 minggu penyimpanan pada suhu 27-30 <sup>0</sup>C<em> </em>dibandingkan <em>priming</em> metalaksil (54%). <em>Biopriming</em> E1+F2B1 24 jam atau <em>biopriming</em> CM8 48 jam menghasilkan indeks vigor paling tinggi setelah disimpan selama 24 minggu. Populasi rizobakteri di dalam jaringan benih menurun pada benih yang diberi perlakuan <em>biopriming</em> dari 10<sup>5</sup>-10<sup>7</sup> cfu g<sup>-1</sup> menjadi 10<sup>4 </sup>cfu g<sup>-1</sup> setelah disimpan selama 24 minggu.</p><p>Kata kunci: isolat rizobakteri, natrium alginat, perlakuan benih, vigor</p>

scholarly journals Penggunaan kalium nitrat dalam pematahan dormansi fisiologis setelah pematangan pada beberapa galur padi mutan organik spesifik lokal Aceh

Kultivasi ◽  
2020 ◽  
Vol 19 (1) ◽  
pp. 1061
Author(s):  
Halimursyadah Halimursyadah ◽  
Syamsuddin Syamsuddin ◽  
Hasanuddin Hasanuddin ◽  
Efendi Efendi ◽  
Najwa Anjani
Keyword(s):  
Significant Interaction ◽  
Dry Weight ◽  
Maximum Growth ◽  
Growth Potential ◽  
Growth Speed ◽  
Relative Growth ◽  
Significance Level ◽  
Randomized Design ◽  
Two Factors ◽  
Vigour Index

Sari. Induksi mutasi radiasi merupakan metode efektif untuk meningkatkan keragaman tanaman.  Kajian akan sifat-sifat yang dibawa oleh generasi galur padi hasil mutasi penting untuk dipelajari. Penelitian ini bertujuan untuk mengetahui pengaruh radiasi sinar gamma terhadap sifat dormansi fisiologis after ripening pada galur padi mutan organik dan mengetahui keefektifan penggunaan konsentrasi KNO3 terhadap upaya pematahan dormansinya. Penelitian dilaksanakan di Laboratorium Ilmu dan Teknologi Benih, Fakultas Pertanian, Universitas Syiah Kuala. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) pola faktorial dengan dua faktor serta menggunakan uji lanjut Tukey pada taraf nyata 5%.  Faktor pertama adalah galur padi mutan organik terdiri 5 taraf yaitu G0 = tanpa radiasi (Sanbei Simeleu) sebagai pembanding, G1= Sultan Unsrat, G2= 39e, G3= 75d, G4=57e. Faktor kedua adalah  konsentrasi KNO3 terdiri 3 taraf yaitu K0 = 0%, K1 = 1%, dan K2 = 2%. Parameter yang diamati adalah potensi tumbuh maksimum, daya berkecambah, indeks vigor, keserempakan tumbuh, kecepatan tumbuh relatif, berat kering kecambah normal, dan persistensi dormansi. Hasil penelitian menunjukkan bahwa galur padi mutan organik berpengaruh sangat nyata terhadap berat kering kecambah normal dan berpengaruh nyata terhadap potensi tumbuh maksimum. Konsentrasi KNO3 berpengaruh sangat nyata terhadap daya berkecambah dan berat kering kecambah normal, serta berpengaruh nyata terhadap potensi tumbuh maksimum dan kecepatan tumbuh relatif. Terdapat interaksi sangat nyata antara galur padi mutan organik dan konsentrasi KNO3 terhadap berat kering kecambah normal, dan interaksi nyata terhadappotensi tumbuh maksimum, dan daya berkecambah.  Kombinasi terbaik dijumpai pada galur padi mutan organik 57e dan konsentrasi KNO3 2%.Kata kunci: Setelah pematangan ∙ Dormansi ∙ Galur mutan ∙ KNO3 ∙ Padi Abstract. This study aims to determine the effect of gamma radiation on the physiological dormancy after-ripening of organic mutant rice lines and the effectiveness using KNO3 concentrations on efforts to break dormancy. The study was conducted at the Seed Science and Technology Laboratory, Syiah Kuala University. This research used a completely randomized design (CRD) with two factors and Tukey test at significance level of 5%. The first factor was the organic mutant rice lines that consisted of 5 levels. There were G0 = without radiation (Sanbei Simeleu) as a comparison, G1 = Sultan Unsrat, G2 = 39e, G3 = 75d, and G4 = 57e. The second factor was KNO3 concentration, that consisted of 3 levels. There were K0 = 0%, K1 = 1%, and K2 = 2%. The observed parameters were dormancy persistence, maximum growth potential, germination, vigour index, the simultaneity of growth, relative growth speed, and normal germination dry weight,. The results showed that the organic mutant rice lines had a very significant effect on the dry weight of normal sprouts and had a significant effect on maximum growth potential. KNO3 concentration has a very significant effect on germination and dry weight of normal sprouts and has a significant effect on the maximum growth potential and relative growth speed. There was a highly significant interaction between organic mutant rice lines and KNO3 concentration on the normal dry weight of the sprouts, and significant interaction with maximum growth potential and germination. The best interaction was found in organic mutant rice lines 57e and KNO3 concentration of 2%.Keywords: After ripening ∙ Dormancy ∙ KNO3 ∙ Mutantline ∙ Rice

scholarly journals OPTIMALISASI CARA EKSTRAKSI SARKOTESTA TERHADAP PROSES DAN HASIL VIABILITAS BENIH PEPAYA (Carica papaya L.)

2018 ◽  
Vol 3 (4) ◽  
Author(s):  
Rita Hartati
Keyword(s):  
Growth Rate ◽  
Carica Papaya ◽  
Seed Viability ◽  
Growth Potential ◽  
Cotton Cloth ◽  
Average Value ◽  
Randomized Design ◽  
Time Required ◽  
Papaya Seed ◽  
The Way

result of viability of papaya seed (carica papaya L.) The experimental design used in this study is a complete randomized design (RAL) 4 x 2 factorial pattern with 3 replications consisting of two factors, with There were 8 treatment combinations and 24 experimental units. The materials used in this research are papaya seed, cotton cloth, ash, concentrated H2SO4, and sand. The parameters observed were potential to grow, germination, growth rate and time required 50% from total germination (T50). The results of this study indicate that the average value of viability and vigor is high in the show on the optimization of the way of extraction of cotton cloth (K1). Viability and vigor of sprouts which are better found in local varieties (V1) than with hybrid varieties (V2). Better interaction optimizing the way extraction of sarcotae is found in hybrid varieties (V2) seeds by extraction of cotton cloth (K1). So it can be concluded that the optimization of sarkotesta extraction method is very significant effect on seed viability include growth potential, germination, growth rate and T50% sprout total.Keywords: Sarkotesta extraction, viability, papaya seed (Carica papaya L.).

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