Evaluation on growth, development and yield of new promising short-term rice lines/varieties for processing in Gia Lai province
Vol. 135 No. 3B (2026), Original Article
Vol. 135 No. 3B (2026)

Evaluation on growth, development and yield of new promising short-term rice lines/varieties for processing in Gia Lai province

Original Article
https://doi.org/10.26459/hueunijard.v135i3B.8258
Published 2026-05-22
Pham Van Nhan
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Ho Huy Cuong
Agricultural Science Institute for Southern Coastal Central of Vietnam, North Quy Nhon, Gia Lai Province, Vietnam
Ta Thi Huy Phu
Agricultural Science Institute for Southern Coastal Central of Vietnam, North Quy Nhon, Gia Lai Province, Vietnam
Ho Si Cong
Agricultural Science Institute for Southern Coastal Central of Vietnam, North Quy Nhon, Gia Lai Province, Vietnam
Nguyen Hoa Han
Hoang Thi Thai Hoa
Trường Đại học Nông Lâm, Đại học Huế - 102 Đường Phùng Hưng, Phường Phú Xuân, Thành phố Huế, Việt Nam

Keywords

Amylose content
Gia Lai
rice lines
short duration
yield Dòng lúa
Gia Lai
hàm lượng amylose
năng suất
ngắn ngày

Abstract

Rice is an important food crop, occupying a high percentage of the cultivated area in the South Central Coastal provinces. Currently, the demand for processed rice varieties to export is increasing, but there is a shortage of these new rice varieties in the practice for domestic production. Therefore, this study aimed to select short-duration rice lines with high yield and amylose content for processing. The experiment was conducted in the Summer-Autumn 2025 season in Gia Lai province on 7 rice lines originating from the Agricultural Science Institute for Southern Coastal Central Vietnam and a control rice variety, arranged in a completely randomized block design with 3 replications. The research results showed that the growth duration of rice lines was in short duration group (94-105 days), suitable for the cropping system in Gia Lai province. All rice lines had agro-biological characteristics such as concentrated flowering time, high field purity, complete panicle emergence, strong stems, and less pests and diseases damages. The highest grain yields were achieved in lines P464 (72.05 quintals/ha) and P620 (74.10 quintals/ha). Quality indicators (amylose content, protein, starch, gelatinization temperature, gel durability, grain quality were high, with amylose content exceeding 25% in all experimental lines. Lines P464 and P620 have short duration, high yields, and high amylose contents, therefore, they are recommended for further evaluation in the next season to serve future breeding purposes.

https://doi.org/10.26459/hueunijard.v135i3B.8258

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