Evaluation of Agronomic Performance and Grain Quality of Bacterial Leaf Blight-Resistant Rice Varieties in Hung Yen Province, Vietnam
Vol. 134 No. 1S-2 (2025), Special Issue: CBA 2025
Vol. 134 No. 1S-2 (2025)

Evaluation of Agronomic Performance and Grain Quality of Bacterial Leaf Blight-Resistant Rice Varieties in Hung Yen Province, Vietnam

Special Issue: CBA 2025
https://doi.org/10.26459/hueunijns.v134i1S-2.7956
Published 2025-12-17
Thi Huong Do
Faculty of Agronomy, Vietnam National University of Agriculture, Hanoi, Vietnam
Phan Thi Thuy*
Faculty of Agronomy, Vietnam National University of Agriculture, Hanoi, Vietnam
Cuong Dang Cao
ThaiBinh Seed Group Joint Stock Company, Vietnam
Nghia Nguyen Thi Ai
Faculty of Agronomy, Vietnam National University of Agriculture, Hanoi, Vietnam
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Keywords

permethrin
behavioural biomonitoring
artificial neural network
early warning system

How to Cite

1.
Do TH, Phan Thi T, Dang Cao C, Nguyen Thi Ai N. Evaluation of Agronomic Performance and Grain Quality of Bacterial Leaf Blight-Resistant Rice Varieties in Hung Yen Province, Vietnam. hueuni-jns [Internet]. 2025Dec.17 [cited 2025Dec.27];134(1S-2):127-3. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/7956
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Abstract

The field experiment aimed to evaluate the growth, yield, and grain quality of eight rice varieties with high resistance to bacterial leaf blight (TBR225-New, TBR225ĐK-1, TBR225ĐK-2, Dong A2, TBR19, ĐC16, BC3, and TBR86), compared to the control variety Bac Thom 7 (BT7), during the 2024 spring season in Bac Dong Hung commune, Hung Yen province, Vietnam. The trial was arranged in a randomized complete block design (RCBD) with three replications. Agronomic characteristics varied among the varieties, with plant height ranging from 103.0 cm (TBR86) to 116.6 cm (TBR19), and total growth duration from 120 days (BT7, TBR86) to 126 days (TBR225-New). Grain yields ranged from 4.83 tons ha⁻¹ (BT7) to 6.68 tons ha⁻¹ (TBR86), with TBR225ĐK-2 (6.38 tons ha⁻¹) and TBR225ĐK-1 (6.20 tons ha⁻¹) also outperforming the control. All improved varieties showed significantly greater resistance to bacterial leaf blight, with lesion areas below 5%, compared to 65.3% in BT7. Milling quality was acceptable, with brown rice rates ranged from 79.0–83.0% and head rice recovery from 75.7–81.9%. These findings suggest that TBR225ĐK-2, TBR225ĐK-1, and TBR86 combine balanced agronomic traits, high yield potential, disease resistance, and acceptable grain quality, making them strong candidates for large-scale adoption in Hung Yen province to improve rice productivity and sustainability.

https://doi.org/10.26459/hueunijns.v134i1S-2.7956
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