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PENGUJIAN VIGOR BENIH KEDELAI VARIETAS GROBOGAN HASIL PEMUPUKAN NPK MAJEMUK PADA UMUR SIMPAN DUA BULAN Shari, Parmitha; Nurmiaty, Yayuk; Nurmauli, Niar
Jurnal Agrotek Tropika Vol 1, No 2 (2013)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Benih merupakan salah satu bahan usaha tani yang mempengaruhi hasil.Â Penggunaan benih bermutu yang memiliki vigor tinggi merupakan salah satu faktor yang dapat menghasilkan panen tanaman yang tinggi.Â Dosis pupuk NPK majemuk selama periode pembangunan benih diduga mempengaruhi vigor suatu benih. Penelitian ini bertujuan mengetahui perbedaan vigor benih kedelai Varietas Grobogan yang berasal dari dosis pemupukan NPK majemuk berbeda. Penelitian dilaksanakan di Laboratorium Pemuliaan dan Teknologi Benih Fakultas Pertanian Universitas Lampung, Bandar Lampung dari bulan April hingga Mei 2012.Â Percobaan dirancang menggunakan rancangan kelompok teracak sempurna (RKTS) yang diulang tiga kali. Rancangan perlakuan adalah tunggal terstruktur terdiri dari lima taraf dosis pupuk NPK majemuk (100 kg ha-1, 150 kg ha-1, 200 kg ha-1, 250 kg ha-1, dan 300 kg ha-1). Homogenitas ragam diuji dengan Uji Barlett dan aditivitas data diuji dengan Uji Tukey. Bila asumsi analisis ragamÂ terpenuhi, maka data dianalisis ragam; rata-rata nilai pengaruh perlakuan diuji dengan Uji Ortogonal Polinomial pada taraf 0,05.Â Hasil penelitian menunjukkan bahwa benih kedelai Varietas Grobogan yang berasal dari pemupukan NPK majemuk yang ditingkatkan dosisnya sampai dengan 300 kg ha-1 menghasilkan perbedaan vigor benih secara kuadratik berdasarkan variabel bobot kering kecambah.Â Pada dosis pupuk 178,95kg ha-1 menghasilkan bobot kering kecambah maksimum yaitu 0,08 g/kecambah sedangkan panjang akar dan panjang plumula meningkat secara linier seiring dengan peningkatan dosis pupuk. Variabel kecepatan perkecambahan, kecambah normal yang tumbuh, nilai daya hantar listrik, dan panjang hipokotil tidak menunjukkan perbedaan meskipun dosis pemupukan ditingkatkan.

KORELASI ANTARA KARAKTER BUAH TERUNG (Solanum melongena L.) DAN PENGUJIAN VIABILITAS BENIH SETELAH DISIMPAN 6 BULAN Elba, Dwina Safareta; SaÃ¢Â€Â™diyah, Nyimas; Nurmiaty, Yayuk
Jurnal Agrotek Tropika Vol 3, No 2 (2015)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Tujuan penelitian ini adalah untuk mengetahui hubungan antara karakter buah dan hasil, serta untuk mengetahui pengaruh bentuk buah terhadap viabilitas benih terung yang telah disimpan 6 bulan. Penelitian ini dilaksanakan di Kebun Percobaan BPTP Natar dan Laboratorium benih Universitas Lampung dari bulan November 2013 sampai Mei 2014. Pengujian seleksi karakter buah terung dilaksanakan dengan percobaan tanpa ulangan dan menggunakan analisis Korelasi Pearson dan Sperman.Korelasi Pearson digunakan untuk menyatakan besar hubungan linear antara dua variabel untuk data kuantitatif. Korelasi Sperman digunakan untuk mengetahui korelasi dua variabel data kualitatif dengan menggunakan skor atau rangking. Pengujian viabilitas benih menggunakan rancangan percobaan teracak sempurna dan analisis Korelasi Sperman. Hasil uji korelasi menunjukkan bahwa bobot buah per tanaman berkorelasi positif dengan diameter buah, panjang buah per tanaman, bobot benih per tanaman, dan bentuk buah. Pengujian viabilitas benih menunjukkan tidak adanya korelasi antara perlakuan bentuk buah terung ungu dan viabilitas benih. Dari hasil pengujian viabilitas benih terung ungu bahwa perlakuan bentuk buah tidak berpengaruh terhadap viabilitas benih yang dihasilkan kecuali pada pengujian bobot kering kecambah normal. Bobot kering kecambah normal paling tinggi berasal dari bentuk buah skor 3 yaitu bentuk buah bulat sedikit oval.

Analisis Jalur Respons Hasil Kedelai (Glycine max (L.) Merr.) Varietas Unggul Nasional Terhadap Dua Cara Pemberian Kombinasi Pupuk Npk Timotiwu, Paul Benyamin; Nurmiaty, Yayuk; Pramono, Eko; Kusuma, Yosep Riando
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Path analysis is one of the causal analysis and is an advanced analysis of correlation and regression studies. Path analysis is the development of correlation analysis that explains the closeness of the relationship between characters by way of outlining correlation coefficients into direct and indirect effects. This research was aimed to obtain information on the direct and indirect effects of agronomic characteristics on the production. This research uses Siti Maysaroh research data entitled “The Effect Of NPK Fertilizer On the Growth And Production Of Four Soybean Varieties (Glycine max (L.) Merr)”. The data that have been obtained will then be analyzed using path analysis method. Data is analyzed using microsoft excel program. The results of this study show the difference between the two models, namely: on the way of fertilizer feeding two variables that directly affect the yield of soybean production is the weight of 100 grains, whereas On the way of giving a one-time fertilizer variables that directly affect the yield of soybean production is the number of pod

Analisis Jalur Respons Hasil Kedelai (Glycine max (L.) Merr.) Varietas Unggul Nasional Terhadap Dua Cara Pemberian Kombinasi Pupuk Npk Timotiwu, Paul Benyamin; Nurmiaty, Yayuk; Pramono, Eko; Kusuma, Yosep Riando
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Path analysis is one of the causal analysis and is an advanced analysis of correlation and regression studies. Path analysis is the development of correlation analysis that explains the closeness of the relationship between characters by way of outlining correlation coefficients into direct and indirect effects. This research was aimed to obtain information on the direct and indirect effects of agronomic characteristics on the production. This research uses Siti Maysaroh research data entitled “The Effect of NPK Fertilizer on the Growth and Production of Four Soybean Varieties (Glycine max (L.) Merr)”. The data that have been obtained will then be analyzed using path analysis method. Data is analyzed using Microsoft excel program. The results of this study show the difference between the two models, namely: on the way of fertilizer feeding two variables that directly affect the yield of soybean production is the weight of 100 grains, whereas on the way of giving a one-time fertilizer variable that directly affects the yield of soybean production is the number of pod.

Keragaman Fenotipe dan Heritabilitas Kedelai (Glycine max [L.] Merril) Generasi F6 Hasil Persilangan Wilis X Mlg2521 Kusuma, Ridwan; Sa?diyah, Nyimas; Nurmiaty, Yayuk
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Soybean consumption here in Indonesia continues to increase each year that is notaccompanied by an increase in soybean production. One way to increase soybeanproduction by using improved varieties. The purpose of this study were (1) Estimating thevalue of the diversity of phenotypes soy F6 generations from crosses between Wilis x Mlg2521,(2) Estimating the heritability estimates soybean F6 generations from crosses Wilis x Mlg2521,(3) Know the numbers expectation of F6 generation crosses Wilis x Mlg2521. The researchwas conducted from March 2014 until June 2014 at the Land Lab Lampung StatePolytechnic and observations made in Laboratory of Seed and Plant Breeding, University ofLampung. Soybean seeds used were F6 generation zuriat from Wilis x Mlg2521, Wilis andMlg2521. The treatment laid out in a randomized block design, 2 replications. The resultsshowed that (1) The diversity of phenotypes population F6 for characters date of flowering,harvesting age, plant height, number of productive branches, total number of pods plant,weight of 100 grains, grain weight plant and number of seeds plant including all the broadcriteria, (2) The value of heritability estimates the population F6 for characters date offlowering, harvesting age, plant height, number of productive branches, total number ofpods plant, weight of 100 grains, grain weight per plant and number of seeds plantbelonging to the high criteria, (3) Number expectations of the population F6 is 7-64-1-8 and7-64-1-3.Keywords: heritability, phenotypic variance, soybean

Jurusan Agroteknologi Fakultas Pertanian Universitas Lampung Andalasari, Tri Dewi; Nurmiaty, Yayuk; Ginting, Yohannes C; Zahra, Yamatri
Jurnal Penelitian Pertanian Terapan Vol 19, No 1 (2019)
Publisher : Politeknik Negeri Lampung.

Gladiolus is a potential ornamental plant to be widely developed because its high aesthetic value. Generally, gladiolus is propagated vegetatively by using tuber that called corm. There are some problems in gladiolus vegetative propagation, which is corm has a dormancy period and produces only one to two corms for each gladiolus plant. The effort that can be done to solve these problems is to provide benzyladenine to gladiolus corm. This study aims to determine the response of four varieties of gladiolus (Gladiolus hybridus L.) that soak to benzyladenine in increasing the growth of shoot and corm production. This research was conducted in Bandar Lampung in 2017. The treatment was designed factorially (4 x 4) using Randomized Block Design. The first factor was the varieties of gladiolus ie Anisa, Clara, Nabila, and Nurlaela. The second factor was the 100 ppm concentration of benzyladenine in repeating ie first, second, third, and fourth soaking. Data analysis was tested by Least Significant Difference (LSD) test at 5% level. The results showed that (1) from four gladiolus corm varieties, Nabila produced the highest number of shoots at 10,34 shoots, while the variety that produces the highest number of corm was Clara at 5,71 corms, (2) the benzyladenine that used up to four times for soaking the corm resulted the same response in increasing growth of shoot and corm production of four gladiolus varieties, (3) the response of each gladiolus varieties didn?t depend on how many times that benzyladenine used to soak the corm in increasing the growth of shoot and corm production of four gladiolus varieties.

PENGARUH DOSIS PUPUK NPK MAJEMUK SUSULAN SAAT AWAL BERBUNGA (R1) PADA PERTUMBUHAN DAN HASIL TANAMAN KEDELAI (GLYCINE MAX [L.] MERILL) Pratama, Brian Jonata; Nurmiaty, Yayuk; Nurmauli, Niar
Jurnal Penelitian Pertanian Terapan Vol 17, No 2 (2017)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v17i2.293

The research was conducted in February to June 2015 in the District of Rajabasa Raya, Bandar Lampung. Research used design of randomized perfect group design with five dosages of compound NPK fertilizer (16:16:16), i.e., 0, 25, 50, 75 and 100 kg/ha applied at R1 (early Flowering) and repeated three times. Homogeneity was tested with Bartlet and the addition data was tested with Tukey, and analysis of kind (if applicable). Mean separation test used orthogonal polynomial on the level of confident 5%. The results showed that application of compound fertilizer NPK 16:16:16 increases soybean yield (t/ha) and nutrient efficiency. However, NPK applications have no effect on plant height, plant dry weight, number of total branches, number of productive branches, total number of pods, and weight of 100 grains of soybean seeds. Dosing up to 100 kg/ha of NPK compound increase soybean yield but still shows a linear graph Keywords: soybean, early flowering (R1), NPK fertilizer, NPK dose.

PENGARUH PENYIMPANAN SAMPAI ENAM BULAN MENGGUNAKAN BUBUK DAN TANPA BUBUK LADA TERHADAP MUTU LIMABELAS LOT BENIH KEDELAI (GLYCINE MAX L.) Kurniati, Ayu; Agustiansyah, Agustiansyah; Nurmiaty, Yayuk; Ermawati, Ermawati
JURNAL AGROTROPIKA Vol 19, No 1 (2020): Jurnal Agrotropika Vol 19 No 1, Mei 2020
Publisher : JURNAL AGROTROPIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.712 KB)

This study aims to determine the best seed quality from fifteen lots of soybean seeds that are stored for up to six months using pepper powder and without using pepper powder. The treatment was applied in a Completely Randomized Design (CRD) which was repeated three times. The combination of treatments derived from three varieties, namely Anjasmoro, Gerobogan, and Burangrang combined with 5 SP-36 fertilizer doses, namely 0, 100, 150, 200, and 250 kg / ha. The experiment consisted of two experiments. Experiment 1, the fifteen lots of seeds were stored without pepper powder. Experiment 2, the fifteen lots of seeds were ground with pepper in their storage. Storage at room temperature ranges from 28-30oC in the Seed and Plant Breeding Laboratory, Faculty of Agriculture, University of Lampung in October 2017 to April 2018 The results showed that the combination treatment of Burangrang varieties with SP-36 250 kg / ha fertilizer stored without pepper powder or pepper powder was able to maintain its higher quality compared to other treatment combinations after being stored for up to six months Key words: Fertilizer, pepper powder, soybean, storage, variety

Pengaruh Ekstrak Buah Lerak (Sapindus rarak) dan Beberapa Adjuvan terhadap Perkecambahan Gulma Fimbristylis miliacea Pujisiswanto, Hidayat; Nurmiaty, Yayuk; Sriyani, Nanik; Efrima, Annisa
JURNAL AGROTROPIKA Vol 20, No 2 (2021): Oktober 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i2.5205

Adjuvant is an ingredient added in a formulation to increase the effectiveness of lerak fruit in inhibiting weeds. This study aims to determine the type of adjuvant in lerak fruit extract that can increase the inhibition of germination of Fimbristylis miliacea and to determine the type of adjuvant in lerak fruit extract that is most effective in inhibiting the germination of F. miliacea. The research was conducted from December 2019 to March 2020 in the Weed Laboratory, Faculty of Agriculture, University of Lampung. This study used a Completely Randomized Design (CRD) to determine the type of adjuvant given to lerak fruit extract on F. miliacea germination with 4 replications. The treatments consisted of lerak fruit extract, lerak fruit extract + VCO adjuvant, lerak fruit extract + KAO adjuvant, lerak fruit extract + Polysorbate 80 adjuvant, and control. The Bartlett test was used to test the homogeneity of variance, if the assumptions of the analysis of variance were met, then the mean value of the treatment was continued with the Least Significant Difference (LSD) test at the 5% level. The results showed that adjuvants and without adjuvants added to lerak fruit extract at a concentration of 50% (500 g/l) were able to suppress the percentage of germination and the speed of germination of Fimbristylis miliace seeds.Keywords: adjuvants, lerak fruit extract, Fimbristylis miliacea, weed

Studi metode invigorasi pada viabilitas dua lot benih kedelai yang telah disimpan selama sembilan bulan . Nurmauli; Yayuk Nurmiaty
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (770.972 KB)

Invigoration is one method to solve the problem of overdue seeds. Seeds are treated before planting to stimulate the metabolism activities inside the seeds so that seeds are equipped to emerge. Invigoration method could be applied using osmo-conditioning (Polyethylene Glycol (PEG-6000) solution) or matriconditioning, and hydrate-dehydrate treatment. Invigoration started when seeds imbibe in a solution with low water potential until seed water content could be reserved after its equilibrium.This study was conducted in Seed technology and breeding laboratory, Faculty of Agriculture, Lampung University in June 2009. Seeds testing with osmo-conditioning including: (1) hydrate-dehydrate treatment with aqua bides and (2) immersed into Polyethylene Glycol (PEG) with 10 and 20% concentration. Observations were including: seeds emerge ability, sprout identical growth, dry mass of normal seeds, and electrical conductance. All data were analyzed, described and presented with statistical methods and with histogram. The results showed that: (1) Anjosmoro soybean seeds status which were overdue during storage were moderate stability which were showed by emerge viability observation (<70%) and (2) viability restoration and anjosmoro soybean seeds vigor which were overdue during storage using invigoration method tended to be the highest which were showed by observing seeds emerged ability, sprout identical growth, and sprout dry mass together with low electrical conductance.

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