Roy Efendi
YOU?
Author Swipe
View article: Canopy architectural and physiological traits for optimizing maize yield under high planting density
Canopy architectural and physiological traits for optimizing maize yield under high planting density Open
Despite substantial increases in planting density to enhance maize grain yield, productivity at the plant level has remained stagnant. Although leaf-related traits have been extensively studied in commercial hybrids, they remain underexplo…
View article: Integrating multi-trait and multi-index approaches for identifying drought tolerant tropical maize genotypes
Integrating multi-trait and multi-index approaches for identifying drought tolerant tropical maize genotypes Open
Drought stress is a critical constraint to maize production in tropical regions, impairing growth and reducing yield stability. In this study, a panel of hybrids was assessed under both well-watered and drought-stress conditions using yiel…
View article: PCA APPLICATION TO OBTAIN CHARACTER SELECTION MARKERS OF LOW NITROGEN TOLERANT HYBRID MAIZE
PCA APPLICATION TO OBTAIN CHARACTER SELECTION MARKERS OF LOW NITROGEN TOLERANT HYBRID MAIZE Open
Using secondary characters for indirect selection can increase the efficiency of selecting maize yield at Low Nitrogen (N) conditions. This study aimed to investigate secondary characteristics that can be applied in the indirect selection …
View article: Deep learning based stacking ensembles for tropical sorghum classification
Deep learning based stacking ensembles for tropical sorghum classification Open
View article: Stability and adaptability analyses to identify suitable high-yielding maize hybrids using PBSTAT-GE
Stability and adaptability analyses to identify suitable high-yielding maize hybrids using PBSTAT-GE Open
An assessment of the stability and adaptability of released varieties is needed to ensure their potential. Analysis of both approaches can be performed through PBSTAT-GE. However, the application of PBSTAT-GE in combination with index sele…
View article: Morphological variability, heritability and genetic advancement in F2 sorghum lines
Morphological variability, heritability and genetic advancement in F2 sorghum lines Open
Evaluating genetic advancement is particularly important in sorghum breeding programs through selective processes. This study aimed to evaluate the morphological diversity and genetic parameters of 32 F2 sorghum genotypes, focusing on trai…
View article: Global drought tolerant maize research and development: Analysis and visualization of cutting-edge scientific technologies
Global drought tolerant maize research and development: Analysis and visualization of cutting-edge scientific technologies Open
This study explores bibliometric analysis of advanced breeding tools for drought-tolerant maize, focusing on transgenic, marker-assisted selection (MAS), high-throughput phenotyping (HTPP), and genome editing. The research underlines the g…
View article: ANALISIS BENTUK DAN MAKNA KATA PREFIKS PADA SURAT KABAR ONLINE RADAR BOGOR "RUBRIK PENDIDIKAN" SERTA IMPLIKASINYA TERHADAP PEMBELAJARAN BAHASA INDONESIA DI SMP
ANALISIS BENTUK DAN MAKNA KATA PREFIKS PADA SURAT KABAR ONLINE RADAR BOGOR "RUBRIK PENDIDIKAN" SERTA IMPLIKASINYA TERHADAP PEMBELAJARAN BAHASA INDONESIA DI SMP Open
Afiksasi sangat diperlukan dalam sebuah tulisan agar memiliki nilai estetika dalam sebuah kata yang dirangkai menjadi kalimat. Imbuhan dalam bahasa Indonesia mempunyai potensi yang sangat besar dan sangat penting dalam menentukan arti kata…
View article: Recommendations of N, P, and K site-spesific for maize cropping in the Jeneponto District of South Sulawesi
Recommendations of N, P, and K site-spesific for maize cropping in the Jeneponto District of South Sulawesi Open
The incompatibility of N, P, and K rates for maize plants causes a decrease in plant productivity and farmer income. Therefore, there is a need for appropriate N, P, and K fertilizer recommendations based on agroecosystems that farmers can…
View article: Optimizing ensembles machine learning, genetic algorithms, and multivariate modeling for enhanced prediction of maize yield and stress tolerance index
Optimizing ensembles machine learning, genetic algorithms, and multivariate modeling for enhanced prediction of maize yield and stress tolerance index Open
The frequent occurrence of drought, halting from unpredictable climate-induced weather patterns, presents significant challenges in breeding drought-tolerant maize to identify adaptable genotypes. The study explores the optimization of mac…
View article: Identification of maize genotypes tolerance to acid soil stress using multiple criteria
Identification of maize genotypes tolerance to acid soil stress using multiple criteria Open
This study aims to select maize hybrids that can tolerate acidic soil stress using several tolerance indexes. The research took place at two sites. Muneng Experimental Farm has average soil (pH=6.8), and Moncongloe Experimental Farm has ac…
View article: Evaluation of High Yielding Hybrid Lines of Unhas Corn Based on a Systematic Approach and Genetic Analysis
Evaluation of High Yielding Hybrid Lines of Unhas Corn Based on a Systematic Approach and Genetic Analysis Open
View article: Global Drought Tolerant Maize Research and Development: Analysis and Visualization of Cutting-Edge Scientific Technologies
Global Drought Tolerant Maize Research and Development: Analysis and Visualization of Cutting-Edge Scientific Technologies Open
View article: Evaluating agronomic traits and selection of low N-tolerant maize hybrids in Indonesia
Evaluating agronomic traits and selection of low N-tolerant maize hybrids in Indonesia Open
Nitrogen is one of the macro elements that maize needs. Nitrogen deficiency will affect maize's growth and grain yield. This study aimed to determine hybrid maize's growth, grain yield, and tolerance to low N conditions. This research was …
View article: Analysis of Plant Ideotype and Yield in Hybrid Maize under Varied Population Densities
Analysis of Plant Ideotype and Yield in Hybrid Maize under Varied Population Densities Open
Optimizing maize yield within limited productive land is a critical challenge due to the rapid conversion and reduction of land suitable for maize cultivation. The objective of this study was to evaluate the leaf orientation ideotype of ma…
View article: Gene action and combining ability of erect and narrow leaves angles maize inbred lines
Gene action and combining ability of erect and narrow leaves angles maize inbred lines Open
Line (L)×tester (T) analysis is one of the breeding approaches to select inbred with good combining ability. Maize varieties with erect and narrow leaf angles can increase yield under high-density populations. This study used line x tester…
View article: Adaptation of several hybrid maize in West Nusa Tenggara drylands using modified plant spacing for optimal seed and biomass productions
Adaptation of several hybrid maize in West Nusa Tenggara drylands using modified plant spacing for optimal seed and biomass productions Open
Maize is a crucial multipurpose strategic food crop in Indonesia. Land expansion employing dry land, row-space technology, and suitable varieties, is emerging as the solution to fulfill the rising need for seeds and biomass. The study was …
View article: PENERAPAN APLIKASI TIK TOK UNTUK MENINGKATKAN KETERAMPILAN MEMBACA TEKS BERITA SISWA KELAS VIII SMP NEGERI 3 PANGGARANGAN KABUPATEN LEBAK
PENERAPAN APLIKASI TIK TOK UNTUK MENINGKATKAN KETERAMPILAN MEMBACA TEKS BERITA SISWA KELAS VIII SMP NEGERI 3 PANGGARANGAN KABUPATEN LEBAK Open
Penelitian ini bertujuan untuk mengetahui hasil pembelajaran membaca teks berita setelah menggunakan aplikasi Tik Tok pada siswa kelas VIII SMP Negeri 3 Panggarangan Kabupaten Lebak, dan untuk mengetahui kendala-kendala yang dialami siswa …
View article: Seleksi Beberapa Hasil Persilangan Genotipe Jagung (Zea mays L) Tipe Daun Tegak
Seleksi Beberapa Hasil Persilangan Genotipe Jagung (Zea mays L) Tipe Daun Tegak Open
This study aims to determine several genotypes of upright leaf-type maize with high production, in addition to knowing the genotypic characters obtained from the selection of upright leaf-type corn with closer spacing. The study was arrang…
View article: Yield performance and agronomic characteristics of several candidate hybrid maize varieties on uncultivated land
Yield performance and agronomic characteristics of several candidate hybrid maize varieties on uncultivated land Open
Corn is currently a strategic and dominant national commodity used as raw material for animal feed. The increase in productivity was made possible by the continued assembly of hybrid corn which has a higher production per hectare with a wi…
View article: Evaluation of hybrid maize tolerance under low nitrogen condition based on stress tolerant index and stress susceptibility index
Evaluation of hybrid maize tolerance under low nitrogen condition based on stress tolerant index and stress susceptibility index Open
Nitrogen (N) deficiency in maize could cause a yield decrease than normal conditions. Yield reduction is one of the main concerns of plant breeders in stress conditions selection. This study aimed to identify the low N tolerant hybrid maiz…
View article: Morphological parameters, heritability, yield component correlation, and multivariate analysis to determine secondary characters in selecting hybrid maize
Morphological parameters, heritability, yield component correlation, and multivariate analysis to determine secondary characters in selecting hybrid maize Open
Fadhli N, Farid M, Azrai M, Nur A, Effendi R, Priyanto SB, Nasruddin AD, Novianti F. 2023. Morphological parameters, heritability, yield component correlation, and multivariate analysis to determine secondary characters in selecting hybrid…
View article: New corn resistant lines to stalk rot disease (Dickeya zeae) in Indonesia
New corn resistant lines to stalk rot disease (Dickeya zeae) in Indonesia Open
Suriani, Patandjengi B, Muis A, Junaid M, Mirsam H, Azrai M, Efendi R, Sebayang A. 2023. New corn resistant lines to stalk rot disease (Dickeya zeae) in Indonesia. Biodiveritas 24: 3190-3200. Stalk rot disease caused by Dickeya zeae is one…
View article: A comparative study on single and multiple trait selections of equatorial grown maize hybrids
A comparative study on single and multiple trait selections of equatorial grown maize hybrids Open
Maize ( Zea mays L. ) production in tropical equatorial regions faces significant challenges due to agroclimatic and soil fertility variability, necessitating the evaluation of maize hybrid adaptability and phenotypic stability across dive…
View article: ANALISIS NILAI KEHIDUPAN PADA FILM KELUARGA CEMARA SUTRADARA YANDY LAURENS DAN IMPLIKASI TERHADAP PEMBELAJARAN BAHASA INDONESIA DI SMA
ANALISIS NILAI KEHIDUPAN PADA FILM KELUARGA CEMARA SUTRADARA YANDY LAURENS DAN IMPLIKASI TERHADAP PEMBELAJARAN BAHASA INDONESIA DI SMA Open
A film can be used as a learning material to analyze the various values contained in a film and it is expected that positive values in the film can be a mirror in everyday attitudes and behavior. Value as a guide and handle. Values are use…
View article: Genetic variability, heritability, and path analysis for agronomic characters in hybrid maize
Genetic variability, heritability, and path analysis for agronomic characters in hybrid maize Open
Genetic parameters, which include genetic variability, heritability, and correlation between characters, are essential factors in the selection process. This study aims to: 1) determine the genetic variability and heritability for agronomi…
View article: Correlation and Path Analysis Maize Hybrid Yield
Correlation and Path Analysis Maize Hybrid Yield Open
The yield was a complex quantitative character. It was due to many other characters being related to yield. This study aimed to determine the correlation between agronomic characters in maize and the characters that affect the yield of hyb…
View article: Variability of kernel morphological and flour physicochemical properties in tropical dent corn hybrids
Variability of kernel morphological and flour physicochemical properties in tropical dent corn hybrids Open
Humam BK, Suwarno WB, Azrai M, Makkulawu AT, Efendi R. 2023. Variability of kernel morphological and flour physicochemical properties in tropical dent corn hybrids. Biodiversitas 24: 1600-1609. Corn is an important crop worldwide for food,…
View article: Evaluation of the growth and tolerance of maize lines under aluminum stress
Evaluation of the growth and tolerance of maize lines under aluminum stress Open
Herawati, Riadi M,MusaY, Efendi R, Azrai M. 2023. Evaluation of the growth and tolerance of maize lines under aluminum stress. Biodiversitas24: 1417-1430. Breeding and utilization of Al-tolerant maize are among the technological applicatio…
View article: PENGARUH PEMUPUKAN NITROGEN TERHADAP PERTUMBUHAN DAN PRODUKTIVITAS JAGUNG PADA KONDISI N RENDAH DI LAHAN SAWAH ALUVIAL
PENGARUH PEMUPUKAN NITROGEN TERHADAP PERTUMBUHAN DAN PRODUKTIVITAS JAGUNG PADA KONDISI N RENDAH DI LAHAN SAWAH ALUVIAL Open
Pengembangan jagung pada lahan dengan ketersediaan Nitrogen (N) tanah yang rendah memerlukan dosis pemupukan nitrogen yang tepat untuk meningkatkan pertumbuhan, produktifitas, dan efesiensi penggunaan pupuk nitrogen (EPN). Tujuan penelitia…