Growth and biomass yield of tropical grass varieties across seasons in Hue city
Vol. 135 No. 5A (2026), Original Article
Vol. 135 No. 5A (2026)

Growth and biomass yield of tropical grass varieties across seasons in Hue city

Original Article
https://doi.org/10.26459/hueunijard.v135i5A.7979
Published 2025-11-10
Tran Ngoc Liem
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Ngo Mau Dung
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Le Minh Duc
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Duong Thanh Hai
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Vo Thi Minh Tam
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Vu Thi Minh Phuong
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Le Van An
University of Agriculture and Forestry, Hue University, 102 Phung Hung St., Hue, Vietnam
Songyos Chotchutima
Kasetsart University, 50 Ngamwongwan Rd, Chatuchak, Bangkok 10900, Thailand
Phoompong Boonsaen
Kasetsart University, Kamphaeng Saen, Nakhon Pathom, 73140, Thailand
PDF (Vietnamese)

Keywords

Mombasa
Mulato
Mun River
Purple
Ruzi Mombasa
Mun River
Mulato
Purple
Ruzi

Abstract

Five tropical grass varieties—Ruzi, Mulato II, Purple, Mombasa, and Mun River—imported from Thailand were cultivated in Hue city to evaluate their growth performance and biomass yield across multiple harvests during the year. The experiment was arranged in a randomized complete block design (Randomized Complete Block Design-RCBD) with four replications for each variety. The establishing period lasted 105 days after sowing the seeds, and subsequent regrowth harvests were carried out at 45-day intervals. Monitoring from September 2022 to December 2023 (one initial harvest and eight regrowth harvests) revealed significant differences in growth and biomass yield among the varieties (p<0.05). Purple, Mombasa, and Mun River had greater plant heights than Ruzi and Mulato II, whereas Ruzi and Mulato II produced more leaves and tillers (p<0.05). Biomass yields of Mombasa, Mun River, and Purple were higher than those of Mulato II and Ruzi (p<0.05). Growth and biomass yield were higher during the dry season (March–September) and lower during the wet season (October–February). The nutritional composition (on a dry matter basis) ranged from 6.97–10.53% Crude Protein (CP), 68.58–73.44% Neutral Detergent Fiber (NDF), 34.69–43.63% Acid Detergent Fibre (ADF), and 9.50–12.61% Acid Detergent Lignin (ADL).

https://doi.org/10.26459/hueunijard.v135i5A.7979
PDF (Vietnamese)

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