Research Article | | Peer-Reviewed

Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania

Received: 5 November 2025     Accepted: 18 November 2025     Published: 9 December 2025
Views:       Downloads:
Abstract

This study evaluated the morphological variation of Panicum maximum across two agro-ecological zones in Tanzania: Semi-arid (Mpwapwa district) and sub-humid (Moshi rural district). Plant sampling was conducted using 0.5m2 quadrants, with one plant per quadrant, as assessed for plant height, leaf-to-stem ratio, leaf size, number of tillers, and fresh weight to estimate biomass. In six villages, four 10 m2 plots were established, and six quadrant throws per site provided 144 samples. Soil texture, mineral composition, cation exchange capacity, and fertility were also analyzed. The results indicated sandy soils in the semi-arid zone and clay soils in the sub-humid zone. Significant differences (p < 0.05) were observed in all measured morphological traits across zones. The average leaf-to-stem ratio varied significantly between districts and terrains, with hilly areas exerting notable effects on forage quality. Leaf length differed significantly between valley and plain areas, while tiller number varied between zones. In the sub-humid zone, plant traits were relatively stable across terrains, whereas in the semi-arid zone, terrain strongly influenced growth. Biomass yield was consistent across all agro-ecological indicating the species' adaptability. Soil and moisture conditions were key determinants of P. maximum performance. These findings emphasize the importance of soil fertility enhancement and moisture conservation as interventions to optimize P. maximum performance and sustain its role as a key forage resource in diverse environments.

Published in Journal of Plant Sciences (Volume 13, Issue 6)
DOI 10.11648/j.jps.20251306.15
Page(s) 238-248
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2025. Published by Science Publishing Group

Keywords

Panicum Maximum, Agro-ecological Zones, Morphological Variation, Forage Adaptability, Ecotype, Soil and Moisture Conditions

References
[1] G. F. Masanja, “Agropastoral Mobility and Rangelands Multiple Uses in the Miombo Frontier Ecozone of Tabora Region, Western Tanzania,” vol. 2017, 2017,
[2] N. Mbwambo, S. Nandonde, C. Ndomba, and S. Desta, “Assessment of Animal Feed Resources in Tanzania,” pp. 1–18, 2016, [Online]. Available:
[3] I. S. Selemani, “Communal rangelands management and challenges underpinning pastoral mobility in Tanzania,” Livest. Res. Rural Dev., vol. 26, no. 5, 2014, [Online]. Available:
[4] B. Iddy Muzzo, D. Dawson Maleko, E. Thacker, and F. D. Provenza, “Review: Rangeland management in Tanzania: Opportunities, challenges, and prospects for sustainability,” vol. 7, no. 2, pp. 83-101, 2023,
[5] F. Mngumi, N. Sun, L. Huang, and S. Shaorong, “A green finance strategy plan to integrate livestock sectors sustainability in Tanzania,” no. October, 2022,
[6] D. S. C. Paciullo, “Morphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates,” Grass Forage Sci., vol.
[7] A. Ter, E. Mojica-rodr, A. Vega-amante, and S. M. Polo-murcia, “Simulation of Crop Productivity for Guinea Grass (Megathyrsus maximus) Using AquaCrop under Different Water Regimes,” pp. 1-19, 2023.
[8] S. M. Ahmed, H. M. Ishag, and A. M. Deifalla, “Water Use of Guinea Grass as Affected by Different Planting Density and Urea Rates Under Rainfed Conditions in Sub-Saharan Africa,” vol. 5, no. 1, pp. 67-79, 2024,
[9] A. Adane, “No TitleEffects of Cultivar and Harvesting Age on Morphological Characteristics, Yield and Nutritive Values of Guinea Grass (Panicum Maximum) Grown under Irrigation Condition in Different Locations of Western Amhara Region, Ethiopia,” 2022.
[10] M. D. G. Pereira, G. S. Difante, L. C. V Ítavo, J. G. Rodrigues, A. L. C. Gurgel, and A. M. Dias, “Production Potential and Quality of Panicum maximum Cultivars Established in a Semi-Arid Environment,” 2022.
[11] D. S. C. Paciullo, C. A. M. Gomide, C. R. T. Castro, R. M. Maur, and D. Rei, “Grass and Forage Science Morphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates,” no. August, pp. 590-600, 2016,
[12] A. Fanindi, S. H. Sutjahjo, S. I. Aisyah, and N. D. Purwanti, “Morphological Characteristics and Nutritional Quality of Mutant Benggala Grass (Panicum maximum cv Purple Guinea) Generation M1V3,” Trop. Anim. Sci. J., vol. 45, no. 3, pp. 327-336, 2022,
[13] F. Döndü BİLGİN, “Guinea Grass (Panicum maximum) Forage: A Review,” MAS J. Appl. Sci., vol. 6, no. 6, pp. 77-82, 2021,
[14] A. Genetic, A. Traits, and M. A. Benabderrahim, “Forage Potential of Non-Native Guinea Grass in North African,” pp. 1-10, 2021.
[15] E. J. Mtengeti, G. M. Msalya, R. Sciences, and C. Kikuu, “Morphological Characterization of Selected Ecotypes of African Foxtail Grass,” vol. 20, no. 2, pp. 268-277, 2021.
[16] W. A. de Glanville et al., “Classification and characterisation of livestock production systems in northern Tanzania,” PLoS One, vol. 15, no. 12 December, pp. 1-25, 2020,
[17] V. P. B. E. G. C. C. D. B. Montagner and R. A. B. G. S. Difante, “Maintaining post-grazing sward height of Panicum maximum ß a) at 50 cm led to higher animal performance compared with post-grazing height of 30 cm,” no. January 2017, pp. 174-182, 2018,
[18] W. Adnew, “A Comparison study of different grasses on agronomic performance and chemical composition across three altitudes and harvesting dates in Ethiopia,” pp. 1-17, 2022.
[19] J. Schrader et al., “Leaf size estimation based on leaf length, width and shape,” Ann. Bot., vol. 128, no. 4, pp. 395-406, 2021,
[20] Z. Kevin, K. Z. M. A, A. J. N. N. A, and S. M. W. A, “Forage value of vegetative leaf and stem biomass fractions of selected grasses indigenous to African rangelands Forage value of vegetative leaf and stem biomass fractions of selected grasses indigenous to African rangelands,” 2021.
[21] E. Lievio et al., “Tillering and Structural Characteristics of Panicum Cultivars in the Brazilian Semiarid Region”.
[22] L. Aube, “Estimation of forage biomass and vegetation cover in grasslands using UAV imagery,” pp. 1-18, 2021,
[23] C. M. Serpa-imbett et al., “In-Field Forage Biomass and Quality Prediction Using Image and VIS-NIR Proximal Sensing with Machine Learning and Covariance-Based Strategies for Livestock Management in Silvopastoral Systems,” 2025.
[24] L. Brooks, “2023 Site Environmental Report: Volume 1,” vol. 1, no. October, 2024.
[25] L. A. Redmon and M. L. Mcfarland, “Soil pH and Forage Production,” pp. 7-9, 2013.
[26] A. Fanindi et al., “Productivity and Nutritive Value of Mutant Benggala Grass (Panicum maximum cv Purple Guinea) in the Saline Soil of Coastal Area in Lebak-Banten Province,” no. 225, pp. 439-450, 2023.
[27] W. S. Gibson, A. S. Ziobron, N. E. Olson, D. A. Neher, C. F. S. Ii, and V. I. Holden, “On-farm corn stover and cover crop residue recycling with biostimulant Re-Gen increases corn yields and resultant milk yields in multi-year dairy cattle farm trials,” no. June, pp. 1-11, 2024,
[28] A. Singh, “DigitalCommons @ University of Nebraska - Lincoln On-farm Nitrogen and Irrigation Management Strategies to Protect Groundwater Quality in the Bazile Groundwater Management Area,” 2024.
[29] P. Govindasamy et al., “Nitrogen use ef fi ciency — a key to enhance crop productivity under a changing climate,” no. 3, pp. 1-19, 2023,
[30] C. Jones, S. Fertility, and E. Specialist, “Cover Crops: Management for Organic Matter and Nitrogen Cover Crops: Management for Organic Matter and Nitrogen,” pp. 1-12.
[31] A. Egeru et al., “Land Cover and Soil Properties Influence on Forage Quantity in a Semiarid Region in East Africa,” vol. 2019, pp. 6-9, 2019,
[32] A. B. Cameron, “Effects of sewage effluent on soil constraints in the Tamworth Region of New South Wales,” no. October, 2020.
[33] J. Grilli, T. Rogers, and S. Allesina, “Modularity and stability in ecological communities,” Nat. Commun., no. May, 2016,
[34] M. A. A. Rab et al., “Modelling and prediction of soil water contents at fi eld capacity and permanent wilting point of dryland cropping soils,” pp. 389-407, 2011.
[35] F. Shah and W. Wu, “Soil and Crop Management Strategies to Ensure Higher Crop Productivity within Sustainable Environments,” Sustainability, vol. 11, no. 5, p. 1485, 2019,
[36] N. Vullaganti, B. G. Ram, and X. Sun, “Arti fi cial Intelligence in Agriculture Precision agriculture technologies for soil site-speci fi c nutrient management: A comprehensive review,” Artif. Intell. Agric., vol. 15, no. 2, pp. 147-161, 2025,
[37] M. Majeed et al., “A Detailed Ecological Exploration of the Distribution Patterns of Wild Poaceae from the Jhelum District (Punjab), Pakistan,” no. 28, 2022.
[38] G. Wang, J. Mao, M. Ji, W. Wang, and J. Fu, “A comprehensive assessment of photosynthetic acclimation to shade in C4 grass (Cynodon dactylon (L.) Pers.),” pp. 1-16, 2024.
[39] S. G. HS Bhandari, M Ebina, MC Saha, JH Bouton, SV Rudrabhatla, “Wild Crop Relatives: Genomic and Breeding Resources: Millets and Grasses,” 2010,
[40] J. Vol, P. Maximum, N. Resources, and B. Sciences, “JAGST Vol. 13(2) 2011 Leaf stomata conductance,” vol. 13, no. 2, pp. 31-46, 2011.
[41] Y. Liu et al., “Analysis of forage quality, volatile organic compounds and metabolic pathways in alfalfa (Medicago sativa L.) at different stages based on electronic nose and GC ‑ MS,” Chem. Biol. Technol. Agric., pp. 1-19, 2024,
[42] animal nutrition research division assosa E. Center, Mulisa. Agriculture research, livestock research process, “No TitleEffect of Agroecological on forage quality,” Res. J. Anim. Sci., 2016.
[43] D. M. G. Njarui, M. Gatheru, J. M. Ndubi, A. W. Gichangi, and A. W. Murage, “Forage diversity and fertiliser adoption in Napier grass production among smallholder dairy farmers in Kenya,” vol. 122, no. 2, pp. 245-256, 2021.
[44] J. Hammond and P. Thorne, “SPECIAL SECTION: DEVELOPING FODDER RESOURCES Feed and forage development in mixed crop - livestock systems of the Ethiopian highlands: Africa RISING project research experience,” no. March 2021, pp. 46-62, 2022,
[45] S. G. Assuero and J. A. Tognetti, “The Americas Journal of Plant Science and Biotechnology ©2010 Global Science Books Tillering Regulation by Endogenous and Environmental Factors and its Agricultural Management.”
[46] B. Kaur, G. Kaur, and B. Asthir, “Biochemical aspects of nitrogen use efficiency: An overview,” J. Plant Nutr., vol. 40, no. 4, pp. 506-523, 2017,
[47] M. Mutimura and T. M. Everson, “On-farm evaluation of improved Brachiaria grasses in low rainfall and aluminium toxicity prone areas of,” vol. 4, no. March, pp. 137-154, 2012,
Cite This Article
  • APA Style

    Rabiel, K. E., Leonard, L. D., Wilson, W. C. (2025). Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania. Journal of Plant Sciences, 13(6), 238-248. https://doi.org/10.11648/j.jps.20251306.15

    Copy | Download

    ACS Style

    Rabiel, K. E.; Leonard, L. D.; Wilson, W. C. Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania. J. Plant Sci. 2025, 13(6), 238-248. doi: 10.11648/j.jps.20251306.15

    Copy | Download

    AMA Style

    Rabiel KE, Leonard LD, Wilson WC. Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania. J Plant Sci. 2025;13(6):238-248. doi: 10.11648/j.jps.20251306.15

    Copy | Download

  • @article{10.11648/j.jps.20251306.15,
      author = {Kimaro Erick Rabiel and Lutatenekwa Dorice Leonard and Wilson Charles Wilson},
      title = {Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania},
      journal = {Journal of Plant Sciences},
      volume = {13},
      number = {6},
      pages = {238-248},
      doi = {10.11648/j.jps.20251306.15},
      url = {https://doi.org/10.11648/j.jps.20251306.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jps.20251306.15},
      abstract = {This study evaluated the morphological variation of Panicum maximum across two agro-ecological zones in Tanzania: Semi-arid (Mpwapwa district) and sub-humid (Moshi rural district). Plant sampling was conducted using 0.5m2 quadrants, with one plant per quadrant, as assessed for plant height, leaf-to-stem ratio, leaf size, number of tillers, and fresh weight to estimate biomass. In six villages, four 10 m2 plots were established, and six quadrant throws per site provided 144 samples. Soil texture, mineral composition, cation exchange capacity, and fertility were also analyzed. The results indicated sandy soils in the semi-arid zone and clay soils in the sub-humid zone. Significant differences (p < 0.05) were observed in all measured morphological traits across zones. The average leaf-to-stem ratio varied significantly between districts and terrains, with hilly areas exerting notable effects on forage quality. Leaf length differed significantly between valley and plain areas, while tiller number varied between zones. In the sub-humid zone, plant traits were relatively stable across terrains, whereas in the semi-arid zone, terrain strongly influenced growth. Biomass yield was consistent across all agro-ecological indicating the species' adaptability. Soil and moisture conditions were key determinants of P. maximum performance. These findings emphasize the importance of soil fertility enhancement and moisture conservation as interventions to optimize P. maximum performance and sustain its role as a key forage resource in diverse environments.},
     year = {2025}
    }
    

    Copy | Download

  • TY  - JOUR
    T1  - Morphological Characterisation of Panicum maximum (Guinea Grass) Across Selected Agro-ecological Zones of Tanzania
    AU  - Kimaro Erick Rabiel
    AU  - Lutatenekwa Dorice Leonard
    AU  - Wilson Charles Wilson
    Y1  - 2025/12/09
    PY  - 2025
    N1  - https://doi.org/10.11648/j.jps.20251306.15
    DO  - 10.11648/j.jps.20251306.15
    T2  - Journal of Plant Sciences
    JF  - Journal of Plant Sciences
    JO  - Journal of Plant Sciences
    SP  - 238
    EP  - 248
    PB  - Science Publishing Group
    SN  - 2331-0731
    UR  - https://doi.org/10.11648/j.jps.20251306.15
    AB  - This study evaluated the morphological variation of Panicum maximum across two agro-ecological zones in Tanzania: Semi-arid (Mpwapwa district) and sub-humid (Moshi rural district). Plant sampling was conducted using 0.5m2 quadrants, with one plant per quadrant, as assessed for plant height, leaf-to-stem ratio, leaf size, number of tillers, and fresh weight to estimate biomass. In six villages, four 10 m2 plots were established, and six quadrant throws per site provided 144 samples. Soil texture, mineral composition, cation exchange capacity, and fertility were also analyzed. The results indicated sandy soils in the semi-arid zone and clay soils in the sub-humid zone. Significant differences (p < 0.05) were observed in all measured morphological traits across zones. The average leaf-to-stem ratio varied significantly between districts and terrains, with hilly areas exerting notable effects on forage quality. Leaf length differed significantly between valley and plain areas, while tiller number varied between zones. In the sub-humid zone, plant traits were relatively stable across terrains, whereas in the semi-arid zone, terrain strongly influenced growth. Biomass yield was consistent across all agro-ecological indicating the species' adaptability. Soil and moisture conditions were key determinants of P. maximum performance. These findings emphasize the importance of soil fertility enhancement and moisture conservation as interventions to optimize P. maximum performance and sustain its role as a key forage resource in diverse environments.
    VL  - 13
    IS  - 6
    ER  - 

    Copy | Download

Author Information
  • Sections