PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE

e-ISSN 2231-8542
ISSN 1511-3701

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Pertanika Journal of Tropical Agricultural Science

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PJTAS Vol. 49 (3) Jun. 2026

Download latest complete journal – PJTAS Vol. 49 (3) Jun. 2026

Foreword by the Chief Executive Editor

Articles

The Effect of Chitinase Enzyme on Black Soldier Fly Larvae Meal to Optimise Its Use as a Sustainable Protein Source in Ruminants: An In Vitro Study

Gresy Eva Tesia, Wisri Puastuti, Dwi Yulistiani, Agustin Herliatik1, Nanik Rahmani, Siti Eka Yulianti, I Nyoman Suyasa, Else Mei Wike Andreas, Susi Riyanti, and Winwin Widaringsih

https://doi.org/10.47836/pjtas.49.3.01

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(Downloads: 8)

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(Viewed: 89)

Shotgun Metagenomic and Physicochemical Characterisation of Soil Microbial Communities from the UNISEL Bird Sanctuary, Malaysia

Hasdianty Abdullah, Mohd Fadzli Ahmad, Fridelina Sjahrir, Moohamad Ropaning Sulong, Hazeeq Hazwan Azman, Maegala Nallapan Maniyam, and Nor Suhaila Yaacob

https://doi.org/10.47836/pjtas.49.3.02

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(Downloads: 6)

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(Viewed: 125)

Preliminary Study on the Effects of High Dissolved Oxygen on Growth, Survival, and Feeding Rate of Oreochromis niloticus (Cichliformes: Oreochromis) using Egeria densa as Natural Oxygenator

Siti Nazaemilia Kharudin, Syazuani Mohd Shariff, Nur Azimah Osman, Ahmad Zaimi Mohd Zawawi, Nursyazni Abdul Rahim, Sarah Shazwani Zakaria, Nurul Asyikin Ya, Siti Nur Liyana Roslan, Nor Adzly Jamaluddin, and Nur Hasyimah Ramli

https://doi.org/10.47836/pjtas.49.3.03

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(Downloads: 4)

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(Viewed: 81)

Anthocyanin Content, Isoflavone Composition, Antioxidant Activities, and Agronomic Performance of Black Soybean Lines

Mochammad Muchlish Adie, Saptowo Jumali Pardal, Khojin Supriadi, and Ayda Krisnawati

https://doi.org/10.47836/pjtas.49.3.04

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(Downloads: 23)

Abstract

(Viewed: 100)

Influence of Mother Palm Age and Harvesting Maturity Seed Nut on Seed Quality and Germination of Aromatic Pandan Coconut

Norshafiqah Khalid, Mohd Norsazwan Ghazali, Then Kek Hoe, Uma Rani Sinniah, Norhafizah Ghazali, Muhammad Faiz Othman, Siti Nur Ezzati Shaharuddin, and Chong Yu Lok Yusuf

https://doi.org/10.47836/pjtas.49.3.05

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(Downloads: 14)

Abstract

(Viewed: 86)

Performance of Maltodextrin-Pectin-Based Edible Coating with Lemongrass Essential Oil for Extending the Shelf Life of Fresh Tomatoes

Hermawan Dwi Ariyanto, Mohamad Endy Yulianto, Anggun Puspitarini Siswanto, Hidefumi Yoshii, Azirokh Nabilahzahra, Ayu Pita Kurniasari, and Oktavia Tri Purwanti

https://doi.org/10.47836/pjtas.49.3.06

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(Downloads: 12)

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(Viewed: 99)

Review Article - Current Trend and Future Perspective of Shrimp Aquaculture in Malaysia: A Review

Hidayah Manan, Mohamad Jalilah, Norhafiza Ilyana Yatim, Fazlan Fauzan, Mhd Ikhwanuddin, Nor Azman Kasan, Nur Syazwani Abdullah, and Nur-Syahirah Mamat

https://doi.org/10.47836/pjtas.49.3.07

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(Downloads: 7)

Abstract

(Viewed: 44)

Short Communication - SSR Markers for Verifying Crosses and Assessing Whitefly Resistance in Soybean Breeding Programme

Marida Santi Yudha Ika Bayu, Apri Sulistyo, Purwantoro, I Made Tasma, and I Made Jana Mejaya

https://doi.org/10.47836/pjtas.49.3.08

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(Downloads: 8)

Abstract

(Viewed: 46)

Effects of Dietary Coffee Ground Supplementation on Carcass Traits, Meat Quality, and Faecal Pathogenic Bacterial Populations in Japanese Quails (Coturnix coturnix japonica)

Atchara Niyomdecha and Jaeinyas Totayong

https://doi.org/10.47836/pjtas.49.3.09

Full Article

(Downloads: 2)

Abstract

(Viewed: 59)

10.

The Effectiveness of Response Surface Methodology (RSM) as a Reliable Tool for Performance Optimisation in Azo Dye Removal Using Cellulose Nanofibril (CNF) Filter Paper

Siti Solehah Ahmad Norrahma, Nor Hazren Abdul Hamid, Nur Hanis Hayati Hairom, Latifah Jasmani, and Nurul Ain Mat Aron

https://doi.org/10.47836/pjtas.49.3.10

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(Downloads: 5)

Abstract

(Viewed: 30)

11.

Optimal Concentration and Application Timing of Teak Leaf Extract (Tectona grandis) as a Bioherbicide Against Tridax procumbens in Soybean

Febriana Salvy Kusumawati, Dyah Weny Respatie, Valentina Dwi Suci Handayani, and Aziz Purwantoro

https://doi.org/10.47836/pjtas.49.3.11

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(Downloads: 4)

Abstract

(Viewed: 38)

12.

Field Performance of Hybrid Corn Varieties (Zea mays) Applied with Gibberellic Acid 3 (GA 3) at Cabagan, Isabela, Philippines

Darwin M. Cacal, Dranreb C. Banson, John John V. Agas, Khristel Z. Padilla, James Arnel C. Balbin, Rennier N. Gamit, Ronald L. Zipagan, Jomari L. Tumaliuan, Joana Rose P. Zipagan2, Mike F. Magusib, Joan Joy B. Cabaldo, Saderi G. Ramel, and Donato T. Ricafrente

https://doi.org/10.47836/pjtas.49.3.12

Full Article

(Downloads: 4)

Abstract

(Viewed: 37)

13.

Review Article - Systematic Scoping Literature Review on Black Soldier Fly Larvae Frass Application Methods and Rate

Chooi Lin Phooi, Elisa Azura Azman, Roslan Ismail

https://doi.org/10.47836/pjtas.49.3.13

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Abstract

(Viewed: 6)

14.

Influence of NPK Compound Fertiliser Fertigation on Guava Fruit Yield and Quality in Nghe An Province, Vietnam

Hien Huu Nguyen, Hai Minh Hoang, Athakorn Promwee, Mai Thanh Thi Nguyen, and Thuy Nguyen Thi

https://doi.org/10.47836/pjtas.49.3.14

Full Article

(Downloads: 1)

Abstract

(Viewed: 7)

15.

Dietary Evaluation of Ensiled Leucaena Leucocephala Leaf Cultivars in Rabbit Feed Pellets on In Vitro Fermentation and Nutrient Digestibility

Karamo Jatta, Iswan Budy Suyub, Neni Kartini, and Agustono Wibowo

https://doi.org/10.47836/pjtas.49.3.15

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Abstract

(Viewed: 6)

16.

Effects of Lactobacillus brevis and Lactobacillus plantarum on Fermentation, Aerobic Stability, and Ruminal Digestibility of Sorghum Silage under Tropical Conditions

Dimas Hand Vidya Paradhipta, Wulanningtyas, An Nisaa Tiana, Kharisma Taufiqa Hidayah, and Sam Churl Kim

https://doi.org/10.47836/pjtas.49.3.16

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(Viewed: 6)

17.

Review Article - Organic Amendment-Assisted Phytoremediation of Heavy Metals-Contaminated Paddy Soils

Khoirunnisaa’ Kamaluddin Aniisah and Osumanu Haruna Ahmed

https://doi.org/10.47836/pjtas.49.3.17

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(Viewed: 6)

18.

Callus and Embryo Induction from Anther Culture of Cucumis melo L. cv. Glamour

Fadzlin Qistina Fauzan, Arifullah Mohammed, Ahmed Mahmood Ibrahim, Raimi Mohamed Redwan, Suhana Zakaria, Dwi Susanto, Mohd Razik Midin, and Saleh Altuwaijri

https://doi.org/10.47836/pjtas.49.3.18

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(Viewed: 7)

19.

Review Article - Methionine, Lysine and Tryptophan Optimisation in Broiler Nutrition: Functional Roles, Supplementation Strategies and Feed Crop Biofortification

Che Nur Mazadillina Che Zahari, Nik Mohd Afizan Nik Abd. Rahman, Norsharina Md Saad, Noorjahan Banu Mohammed Alitheen, Nadiya Akmal Baharum, Mohd Azuraidi Osman, Siti Rokhiyah Ahmad Usuldin, and Adam Leow Thean Chor

https://doi.org/10.47836/pjtas.49.3.19

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(Viewed: 9)

20.

Review Article – Bulking Agents and Composting Methods Influence the Physiochemical Quality of Aerobic Chicken Manure Compost: A Comprehensive Review

Nurin Arifah Yusoff and Tee Tuan Poy

https://doi.org/10.47836/pjtas.49.3.20

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(Viewed: 6)

21.

Effects of Soil Texture and Moisture on the Performance of EC-based Nutrient Sensor in Humid Tropical Mineral Soils

Melissa Mei Teng Lok, Ngai Paing Tan, Yei Kheng Tee, and Christopher Boon Sung Teh

https://doi.org/10.47836/pjtas.49.3.21

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(Viewed: 7)

22.

Optimised Ultrasound-Assisted Alkaline Extraction and Rheology of Chia Mucilage with Co-Solutes

Komati Rajentran, Lai Oi Ming, Wan Zunairah Wan Ibadullah, and Norhayati Hussain

https://doi.org/10.47836/pjtas.49.3.22

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(Viewed: 7)

23.

Review Article – Red Ginger’s Tissue Culture to Improve the Production of Phenolic Compounds Related to Antioxidant and Antibacterial Activity

Dyah Ayu Widyastuti, Tri Rini Nuringtyas, Abdul Rohman, and Djoko Santosa

https://doi.org/10.47836/pjtas.49.3.23

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(Downloads: 4)

Abstract

(Viewed: 13)

24.

Effects of Post-Harvest Environmental Conditions on GABA Accumulation and Physiological Responses in Tea Shoots

Limartaida Siahaan, Chien-Teh Chen, and Drewyan Minelly Harrison

https://doi.org/10.47836/pjtas.49.3.24

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(Viewed: 6)

25.

Review Article – A Critical Review of Leucaena leucocephala Leaves as an Alternative Source of Dietary Supplement on the Production Performance of Growing Rabbits

Karamo Jatta, Iswan Budy Suyub, Eric Lim Teik Chun, and Muhammad Nizam Hayat

https://doi.org/10.47836/pjtas.49.3.25

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(Viewed: 6)

26.

Field Phenotyping of Seven Malaysian Coconut Varieties for Yield Traits

Muhammad Asyraf Md Hatta, Thayalan Arumugam, Mashitah Jusoh, Siti Nor Akmar Abdullah, and Uma Rani Sinniah

https://doi.org/10.47836/pjtas.49.3.26

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(Viewed: 6)

27.

A Direct Extraction Technique Enriched the Polyphenol Compositions and Their Biochemical Activities Obtained from Garcinia Species: An Evaluative Study

Nur Mardhiati Afifa Abd Samat, Siti Salwa Abd Gani, Hakiman Mansor, and Khairulmazmi Ahmad

https://doi.org/10.47836/pjtas.49.3.27

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(Viewed: 6)

28.

Anti-inflammatory, Antioxidant and Antimicrobial Activities of Extracts from Ecolite® Waist Tonic

Yean Kee Lee, Najihah Mohd Hashim, Goh Kok Ming, Hazrina Hazn Muhammad Nazil Afiq Nasharuddin, Kasful Asra Sakika, Jarin Tasnim, Lew Li Ann, and Rozana Othman

https://doi.org/10.47836/pjtas.49.3.28

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(Viewed: 8)