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PENGARUH MODAL, TENAGA KERJA DAN TEKNOLOGI TERHADAP HASIL PRODUKSI SUSU KABUPATEN BOYOLALI Nugroho, Satya; Budianto, Muchamad Joko
JEJAK: Jurnal Ekonomi dan Kebijakan Vol 7, No 2 (2014): September 2014
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jejak.v7i2.3896

Currently, most of milk in Indonesia should be imported. It is about 78,89 %, and the rest, that is about 22,11% is from local production or local dairy farmers. However, there are some problems faced by the dairy farmers in Kecamatan Musuk. They are capital, workforces, and technology. This study aims at knowing the influence of capital, workforces, and technology to the milk production in Kecamatan Musuk. Ordinary Least Square (OLS) was applied for analizing the data. The results show that the regression coefficient values of each independent variable (the variables of capital, workforces, and technology) positively influence the production of milk. Based on the T-test (partial), the capital and workforces influence positively and significantly to the production. In addition, technology also has positive effect to the milk production, but it is not significant. Finally, based on F-test, the milk production is influenced by the capital, workforces and technology. It is 87%.Â Saat ini sebagian besar susu di Indonesia masih harus di impor (sekitar 78,89%), sedangkan 22,11%nya di pasok dari produksi susu domestik yang sebagian besar dihasilkan oleh peternak sapi perah rakyat. Namun ada beberapa permasalaham yang kerap dihadapi oleh peternak sapi perah di Kecamatan Musuk, baik dari segi permodalan, tenaga kerja maupun teknologi yang dipakai.Penelitian ini bertujuan untuk mengetahui seberapa besar pengaruh dari penggunaan faktor produksi modal, tenaga kerja dan teknologi terhadap hasil produksi susu sapi perah di Kecamatan Musuk. Alat analisis yang digunakan adalah analisis regresi berganda atau Ordinary Least Square (OLS).Hasil analisis diperoleh bahwa nilai koefisien regresi masing-masing variabel bebas yaitu variabel Modal, Tenaga Kerja, dan Teknologi berpengaruh secara positif terhadap produksi susu sapi perah. Dari hasil uji-t (parsial) modal dan tenaga kerja berpengaruh positif dan signifikan sedangkan teknologi berpengaruh positif namun tidak signifikan. Uji F menunjukkan produksi susu sapi perah dipengaruhi oleh modal, tenaga kerja dan teknologi sebesar 87%.

Parameter Genetik dan Seleksi Sorgum [Sorghum bicolor (L.) Moench] Populasi F4 Hasil Single Seed Descent (SSD) Sulistyowati, Yuli; koesoemaningtyas, Tri; Sopandie, Didy; Ardie, Sintho Wahyuning; Nugroho, Satya
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

The objective of this study were to obtain information about genetic parameters of agronomic characters of sorghum populations derived from Single Seed Descent (SSD) method, and to estimate selection differensial and also to select of F4 population that have a high yield and medium plant height . The experiment was carried out at Leuwikopo Farm, Darmaga, Bogor from January to April 2014. The genetic material were F4 population derived from SSD. The results showed that based on the skewness and kurtosis values, all of the agronomy characters observed in this study were poligenic controlled and influenced by additive gene action. The genetic coefficient of variability values for all parameters varied from intermediate to high in F4 population. Agronomic characters in F4 responded positively to selection because of high broad sense heritability estimates. Correlation analysis showed that plant height, number of leaves, stem diameter, panicle length, panicle weight and 100 seed weight have significant and positive correlation to grain yield/plant. Differential value with selection intensity 10 % based on grain yield/plant will increase grain yield/plant 83.89 % and plant height 8.91 % in the next generation, whereas differensial value based on grain yield/plant and plant height will increase grain yield/plants 68.33 % and plant height 0.26 % in the next generation. It means that selected plant were expected increasing yield 83.89 % or 68.33 % in next generation.Keywords: heritability, cefficient genetic variability, correlation analysis, selection differential

IDENTIFIKASI GALUR-GALUR PADI MUTANINSERSI TOLERAN DAN RENTAN CEKAMAN SALINITAS BERDASARKAN KARAKTER MULTIVARIAT PERTUMBUHAN DAN BIOKIMIA PADA FASE VEGETATIF Situmorang, Apriadi; Zannati, Anky; Widyajayantie, Dwi; Nugroho, Satya
BERITA BIOLOGI Vol 10, No 4 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Growth and biochemical characters of thirty-three Nipponbare-based rice mutant lines independently harboring activation-tag in salt stress condition were investigated. Rice cv Nipponbare wild type, IR29 and Pokkali were used as isogenic, susceptible, and tolerant cultivars, respectively. Plants were grown in Yoshida nutrient solution containing NaCI (6 g/1) as the stress treatment and in Yoshida nutrient solution without NaCI as the control. Evaluation of salt tolerance was conducted at 21 days after salinization.The results showed that there was a significant difference in growth characters among genotypes in reduction of the plant height,root length, shoot fresh weight, root fresh weight, shoot dry weight, as well as in the root dry weight. Biochemical characters of the genotypes also showed significant difference in their reduction of chlorophyll-a and chlorophyll-b concentrations,total carotenoids and proline accumulation. Based on multivariate growth and biochemical characters,T3.PMO.VI.63.5a.30.9,T3.PMO.VI.30.1a.21.1, T3.PMO.V1.63.5a.33.7F3.PUR.IX.49.1d.l.6.5,T3.PMO.VI.81.3a.4.4, F3.PUR.IX.49.1d.l.6.5,and F3.PUR.VIII.5.1f.l.4.8 were assumed as potential salt-tolerant lines, respectively, while mutant lines T3.PMO.VI.30.1a.l07.7,T3.PMO.VI.63.5a.20.6,T3.PMO.III.4.4c.7.2,andT3.PMO.VI.30.1a.51.1 were assumed as salt-susceptible lines respectively.

PENGARUH MODAL, TENAGA KERJA DAN TEKNOLOGI TERHADAP HASIL PRODUKSI SUSU KABUPATEN BOYOLALI Nugroho, Satya; Budianto, Muchamad Joko
JEJAK: Jurnal Ekonomi dan Kebijakan Vol 7, No 2 (2014): September 2014
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jejak.v7i2.3896

Currently, most of milk in Indonesia should be imported. It is about 78,89 %, and the rest, that is about 22,11% is from local production or local dairy farmers. However, there are some problems faced by the dairy farmers in Kecamatan Musuk. They are capital, workforces, and technology. This study aims at knowing the influence of capital, workforces, and technology to the milk production in Kecamatan Musuk. Ordinary Least Square (OLS) was applied for analizing the data. The results show that the regression coefficient values of each independent variable (the variables of capital, workforces, and technology) positively influence the production of milk. Based on the T-test (partial), the capital and workforces influence positively and significantly to the production. In addition, technology also has positive effect to the milk production, but it is not significant. Finally, based on F-test, the milk production is influenced by the capital, workforces and technology. It is 87%.Â Saat ini sebagian besar susu di Indonesia masih harus di impor (sekitar 78,89%), sedangkan 22,11%nya di pasok dari produksi susu domestik yang sebagian besar dihasilkan oleh peternak sapi perah rakyat. Namun ada beberapa permasalaham yang kerap dihadapi oleh peternak sapi perah di Kecamatan Musuk, baik dari segi permodalan, tenaga kerja maupun teknologi yang dipakai.Penelitian ini bertujuan untuk mengetahui seberapa besar pengaruh dari penggunaan faktor produksi modal, tenaga kerja dan teknologi terhadap hasil produksi susu sapi perah di Kecamatan Musuk. Alat analisis yang digunakan adalah analisis regresi berganda atau Ordinary Least Square (OLS).Hasil analisis diperoleh bahwa nilai koefisien regresi masing-masing variabel bebas yaitu variabel Modal, Tenaga Kerja, dan Teknologi berpengaruh secara positif terhadap produksi susu sapi perah. Dari hasil uji-t (parsial) modal dan tenaga kerja berpengaruh positif dan signifikan sedangkan teknologi berpengaruh positif namun tidak signifikan. Uji F menunjukkan produksi susu sapi perah dipengaruhi oleh modal, tenaga kerja dan teknologi sebesar 87%.

PARAMETER GENETIK DAN SELEKSI SORGUM [SORGHUM BICOLOR (L.) MOENCH] POPULASI F4 HASIL SINGLE SEED DESCENT (SSD) Sulistyowati, Yuli; koesoemaningtyas, Tri; Sopandie, Didy; Ardie, Sintho Wahyuning; Nugroho, Satya
JURNAL BIOLOGI INDONESIA Vol 12, No 2 (2016): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v12i2.2878

The objective of this study were to obtain information about genetic parameters of agronomic characters of sorghum populations derived from Single Seed Descent (SSD) method, and to estimate selection differensial and also to select of F4 population that have a high yield and medium plant height . The experiment was carried out at Leuwikopo Farm, Darmaga, Bogor from January to April 2014. The genetic material were F4 population derived from SSD. The results showed that based on the skewness and kurtosis values, all of the agronomy characters observed in this study were poligenic controlled and influenced by additive gene action. The genetic coefficient of variability values for all parameters varied from intermediate to high in F4 population. Agronomic characters in F4 responded positively to selection because of high broad sense heritability estimates. Correlation analysis showed that plant height, number of leaves, stem diameter, panicle length, panicle weight and 100 seed weight have significant and positive correlation to grain yield/plant. Differential value with selection intensity 10 % based on grain yield/plant will increase grain yield/plant 83.89 % and plant height 8.91 % in the next generation, whereas differensial value based on grain yield/plant and plant height will increase grain yield/plants 68.33 % and plant height 0.26 % in the next generation. It means that selected plant were expected increasing yield 83.89 % or 68.33 % in next generation.Keywords: heritability, cefficient genetic variability, correlation analysis, selection differential

Understanding Tsetse Fly (Glossina morsitans) Behavior through its Genome Marbun, Kristin Talia; Nugroho, Satya; Jo, Juandy
Medicinus Vol 12, No 2 (2023): February
Publisher : Fakultas Kedokteran Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/med.v10i3.7036

Glossina morsitans (G. morsitans), commonly known as tsetse fly, have caused public health concerns throughout the years. G. morsitans is the vector for Trypanosoma brucei (T. brucei), the parasite responsible for causing the deadly African sleeping disease (African trypanosomiasis). Researchers have searched for ways to contain this disease, but to little avail. Fortunately, new advances in sequencing methods have given researchers a new opportunity to win the war against the disease. The whole-genome sequence of G. morsitans provides essential data regarding involved genes that transmits T. brucei to humans. Information about those unique genes facilitates researchers to create new methods to prevent G. morsitans from becoming the vector of T. brucei, enabling the containment of this disease. With this, we review the unique genes in the G. morsitans genome, such as those that contribute to blood-feeding ability, establish a relationship with symbionts, and G. morsitans unique sensory genes, with an expectation that it would enhance our knowledge of G. morsitans as the vector for parasites causing African trypanosomiasis.

Tar spot disease of sorghum plants caused by Phyllachora sp. in Bogor, Gunung Kidul and West Lombok, Indonesia Astuti, Dwi; Wiyono, Suryo; Hidayat, Sri Hendrastuti; Trikoesoemaningtyas, Trikoesoemaningtyas; Nugroho, Satya
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 23 No. 1 (2023): MARCH, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA: JOURNAL OF TROPICAL PLANT PE
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.12338-46

The sorghum (Sorghum bicolor) plant is highly tolerant and adapted to drought. It has the potential to be developed and planted on marginal land in Indonesia. Tar spot disease is one of the obstacles to sorghum cultivation. In Indonesia, there is no report yet about this disease, especially on sorghum. To achieve optimal disease management, information on disease incidence and severity levels, as well as pathogen tar spot disease identification, are required. The aims of this study were to morphologically identify the pathogen and determine the level of incidence and severity of tar spot in sorghum cultivation areas in Bogor Regency, Gunung Kidul Regency, and West Lombok Regency. The disease observations were carried out on 17 sorghum varieties from the three areas with no experimental design. The results of the observation of the tar spot disease incidence in 17 varieties of sorghum from Bogor, Gunung Kidul, and West Lombok were 100%. The level of tar spot disease severity varied from 32.4% in the Latu Keta sorghum variety to the highest of 87.9% in the Samurai sorghum variety. The macroscopic and microscopic observation results of tar spot on sorghum plants showed that the cause of the tar spot disease was the Phyllachora fungi. This is the first report of a tar spot on sorghum caused by Phyllachora sp. in Indonesia.

Understanding Tsetse Fly (Glossina morsitans) Behavior through its Genome Marbun, Kristin Talia; Nugroho, Satya; Jo, Juandy
Medicinus Vol. 12 No. 2 (2023): February
Publisher : Fakultas Kedokteran Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/med.v10i3.7036

Glossina morsitans (G. morsitans), commonly known as tsetse fly, have caused public health concerns throughout the years. G. morsitans is the vector for Trypanosoma brucei (T. brucei), the parasite responsible for causing the deadly African sleeping disease (African trypanosomiasis). Researchers have searched for ways to contain this disease, but to little avail. Fortunately, new advances in sequencing methods have given researchers a new opportunity to win the war against the disease. The whole-genome sequence of G. morsitans provides essential data regarding involved genes that transmits T. brucei to humans. Information about those unique genes facilitates researchers to create new methods to prevent G. morsitans from becoming the vector of T. brucei, enabling the containment of this disease. With this, we review the unique genes in the G. morsitans genome, such as those that contribute to blood-feeding ability, establish a relationship with symbionts, and G. morsitans unique sensory genes, with an expectation that it would enhance our knowledge of G. morsitans as the vector for parasites causing African trypanosomiasis.

Genome-Wide SNP Discovery and Population Structure Analysis of 244 Indonesian Local Rice Accessions Satrio, Rizky Dwi; Fendiyanto, Miftahul Huda; Nugroho, Satya; Hairmansis, Aris; Miftahudin
HAYATI Journal of Biosciences Vol. 33 No. 1 (2026): January 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.1.142-152

Single Nucleotide Polymorphism (SNP) markers are essential tools for the genetic management and breeding of rice, enabling precise characterization of genetic diversity. However, SNP datasets specifically developed for analyzing the population structure of Indonesian local rice remain limited. This study aimed to identify polymorphic SNP markers and analyze the lineage and population structure of 244 Indonesian local rice accessions. BAM files of these accessions were obtained from the 3K Rice Genome Project via the International Rice Informatics Consortium. High-quality SNPs were generated through variant calling and stringent filtering, followed by annotation and population analyses using IR64, DJ123, and Nipponbare as references. A total of 3,839,961 high-quality SNP loci were identified across the 12 rice chromosomes. Hierarchical clustering and principal coordinate analysis consistently grouped the accessions into three major clusters, corresponding to Indica, Japonica, and admixed groups. Population structure analysis confirmed two main subpopulations: Indica and Japonica, with Japonica further divided into Temperate and Tropical subgroups. Eleven accessions showed admixed ancestry. This study provides essential insights into the genetic diversity and population structure of Indonesian local rice, supporting genetic resource conservation, trait discovery, and breeding efforts.

TOTAL LIGNIN CONTENT AND AGROMORPHOLOGICAL CHARACTER DIVERSITIES OF 30 INDONESIAN RICE (Oryza sativa L.) ACCESSIONS Nugroho, Satya
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 9 No. 2 (2022)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2022.1754

Lignin is one of lignocellulosic components in vascular plants, essential in plant mechanical properties, water transport, and defense against pathogens. Furthemore, lignin has been applied in various industry. This study aimed to explore variation of lignin content and its-related morphological traits of Indonesian rice accessions, providing beneficial information for breeding approaches to improve utilization characteristics of grass biomass. Therefore, the total lignin contents of thirty Indonesian rice accessions using Thioglycolic Acid Lignin (TGAL) method and their correlation to seven agromorphological characters using Pearson correlation analysis were investigated. Variation of lignin content ranged from 8.38 to 20.75% (of cell wal residue, CWR), and the average value was 13.55%. Correlation analysis showed that lignin total positively correlated with plant height, stem length, panicle length, stem diameter, total fresh weight, and panicle weight per tiller. On the other hand, the number of tillers had a significantly negative correlation to lignin contents.

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