Growth performance of Allanblackia floribunda Oliv seedlings in various nursery growth media in Nigeria

AFRREV STECH: An International Journal of Science and Technology Pub Date : 2018-04-19 DOI:10.4314/stech.v7i1.2

B. A. Ekeke

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Abstract

The growth performance of Allanblackia floribunda oliv seedlings in various nursery growth media was studied. Six nursery growth media were prepared in 1:1 ratio as follows: (1) washed river sand +forest topsoil (SdTsST1) (2) Washed river sand +heat sterilized decomposed sawdust (SdSwST1) (3)heat sterilized decomposed sawdust + top forest soil (SwTsST1) (4) Washed river sand + forest topsoil + heat sterilized decomposed sawdust(SdTsSwST1) (5) heat sterilized decomposed sawdust only (SwST1) (6) forest topsoil only (TsST1). Polythene containers (16cm x 14cm) were filled with each of the growth media. One predecoated seedling (ST1) was pricked into each container and there were five seedlings for each growth medium replicated three times. Observation was for 24 weeks. The highest seedling height (6.7cm+0.65cm), diameter at collar (2.53 + 0.5mm), number of leaves (6.0+0.9) and leaf area (54.3 + 4.5cm 2 ) were observed in growth media containing a mixture of washed river sand, forest topsoil and sterilized decomposed sawdust. Growth media containing these three items are recommended as appropriate growth media for Allanblackia floribunda seedlings in the nursery, in Nigeria. Keywords: Allanblackia floribunda ; seedlings, nursery growth media

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尼日利亚花黑橄榄幼苗在不同苗圃培养基上的生长性能

研究了花黑橄榄幼苗在不同苗圃生长培养基上的生长性能。6种苗圃生长培养基按1:1的比例配制:(1)水洗河砂+森林表土(SdTsST1)(2)水洗河砂+热灭菌分解木屑(SdSwST1)(3)热灭菌分解木屑+森林表层土(SwTsST1)(4)水洗河砂+森林表层土+热灭菌分解木屑(SdTsSwST1)(5)仅热灭菌分解木屑(SwST1)(6)仅森林表层土(TsST1))。将每种培养基装入16cm × 14cm的聚乙烯容器。在每个容器中扎入1株预生苗(ST1)，每种培养基重复3次，共5株幼苗。观察24周。水洗河砂、森林表层土和灭菌分解木屑混合培养基的幼苗最高高(6.7cm+0.65cm)、领径(2.53 + 0.5mm)、叶数(6.0+0.9)和叶面积(54.3 + 4.5cm 2)。在尼日利亚的苗圃中，建议将含有这三个项目的生长培养基作为适合的floribunda Allanblackia幼苗的生长培养基。关键词:花黑藻;苗木、苗圃生长培养基

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AFRREV STECH: An International Journal of Science and Technology

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