Growth and Morpho-Stomatal Response of Kenaf (Hibiscus cannabinus) to Varying Water, Light, and Soil Conditions

Authors

  • Jonathan Ogayon Hernandez Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños
  • Leah Grace Abalos Manese Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños
  • Hazelyn Lacasa Lalog Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños
  • Vrenissa Jane Valenzuela Herradura Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños
  • Willie Payawan Abasolo Department of Forest Products and Paper Science, College of Forestry and Natural Resources, University of the Philippines Los Baños
  • Lerma San Jose Maldia Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños

DOI:

https://doi.org/10.23960/jsl.v11i3.757

Abstract

This study investigated the stomatal responses of kenaf (Hibiscus cannabinus) to varying water, light, and soil conditions to explain how the species acclimatize to the changes in growing conditions. Seedlings were subjected to different watering regimes (daily – CON, 2 days interval – W2, 3 days interval – W3), light intensities (high, moderate, low), and soil conditions (garden soil – GS, Mt Makiling soil – MAK, UP Land Grant soil – UPL). The biomass, stomatal density (SD), epidermal cell density (ECD), stomatal index (SI), stomatal aperture length (SAL), guard cell length (GCL), stomatal area (SA), and potential conductance index (PCI) were measured across treatments. Water and light treatments had significant effects, but soil treatment did not affect most of the parameters measured. CON and/or W2 and high light intensity resulted in a higher SD, SI, SAL, and GCL, which resulted in a higher PCI, compared with the other water and light treatments. Contrarily, W3-treated seedlings had lower SD but significantly lower SAL, GCL, PCI, and aboveground biomass, compared to CON and W2-treated ones. Biomass allocation to root was also significantly higher in W3-treated seedlings. Therefore, kenaf seedlings exhibited a degree of stomatal plasticity in response to contrasting water, light, and soil conditions.

Keywords: biomass allocation, potential conductance index, shade tolerance, stomatal index, water stress

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Published

21-07-2023

How to Cite

Hernandez, J. O., Manese, L. G. A., Lalog, H. L., Herradura, V. J. V., Abasolo, W. P., & Maldia, L. S. J. (2023). Growth and Morpho-Stomatal Response of Kenaf (Hibiscus cannabinus) to Varying Water, Light, and Soil Conditions. Jurnal Sylva Lestari, 11(3), 345–359. https://doi.org/10.23960/jsl.v11i3.757

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