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Juvenile variations in forest genetic materials of seedlings of Paraserianthes falcataria (L.) Nielsen

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Research Paper 01/05/2020
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Juvenile variations in forest genetic materials of seedlings of Paraserianthes falcataria (L.) Nielsen

Jupiter V Casas, Lowell G Aribal, Enrique L Tolentino Jr.
J. Bio. Env. Sci.16( 5), 12-23, May 2020.
Certificate: JBES 2020 [Generate Certificate]
Key: Juvenile variationsParaserianthes falcatariaProvenanceSeedling growthTree families

Abstract

To prioritize genetic materials of Paraserianthes falcataria for laboratory analysis, this pot experiment was conducted, aimed to identify variations of families using seedling height, diameter, and biomass. Ten families from primary diffusion pathways (Bukidnon and Surigao del Sur) were used in the study. A nursery experiment laid out in completely randomized design was set up with four treatments: Treatment 1(acidic dry soil); Treatment 2(acidic wet soil); Treatment 3(alkaline dry soil); Treatment 4(alkaline wet soil). Ten seedlings in five replications were used for each treatment. Standardized protocol used pH of 4.2 acidic and 7.2 alkaline; every other day watering of 200ml/seedling for dry, and everyday watering of 200ml for wet. Analysis of variance and mean comparison of growth parameters were employed. Results showed that seedling growth was stunted due to strongly acidic and basic soil and poor drainage. Seedling height was significantly higher in acidic soil. The difference of three growth parameters among treatments was significant with acidic wet soil exhibited the highest height, diameter, and biomass. Variations between provenance and significant difference on seedling growth among families were evident with FM067 of Surigao obtained the highest height and biomass; FM001 of Bukidnon with largest diameter; FM024 of Bukidnon registered lowest height, diameter, and biomass. The genetic materials of FMO67 and FM064 of Surigao del Sur; and FM016, FM017, FM001, and FM020 of Bukidnon and families nearby will be priority in laboratory analysis. The study demonstrates that the protocols established are useful for tree geneticists in fast tracking analysis of genetic materials.

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