Effect of Seed Source and Watering Intervals on Growth and Dry Matter Yield of Shea Butter Tree (&lt;i&gt;Vitellaria paradoxa&lt;/i&gt; Gaertn F.) Seedlings

Ugese, FD; Baiyeri, K. P.; Mbah, B. N.

doi:10.4314/br.v6i1.28653

Cited by 6 publications

(7 citation statements)

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“…In the present study, longest root length of seedlings did not show significant response to watering regime although it was evident that seedlings subjected to the longest watering interval (9 days), tended to have comparatively longer roots. In a previous study, the ability of the 9 day watering schedule to produce seedlings with longer roots was significant and was attributed to the tendency of roots to scavenge for water in a moisture stressed environment (Ugese et al, 2008b). This is in conformity with reports in two urban tree species (Zainudin et al, 2003).…”

Section: Discussionsupporting

confidence: 75%

“…In the present study, effect of watering on root length was not clear cut; an earlier investigation (Ugese et al, 2008b) had shown that water stressed plants respond by producing longer roots. Similar response has been reported in other species including Hopea odorata and Mimusops elengi (Zainudin et al, 2003).…”

Section: Discussionmentioning

confidence: 59%

“…The performance of larger seeds over and above smaller ones has been clearly observed in Vitellaria paradoxa (Ugese et al 2007;2008b) as well as in other species (Negi and Todaria, 1997; Khurana and Singh, 2000). This is usually attributed to higher levels of stored food in the weightier seeds.…”

Section: Discussionmentioning

confidence: 87%

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Shea (Vitellaria paradoxa C. F. Gaertn.) Seedlings Showed Impressive Recovery after Defoliation

Ugese¹,

Ezechukwu²,

Ogbaje³

2015

ILNS

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Experiments to determine the effect of seed size, watering interval and defoliation on growth and dry matter attributes of seedlings of shea butter tree were conducted at Makurdi, Nigeria, from July 2010 to April, 2012. In the first experiment, treatments were made up of three seed size categories described as small (5-10g), medium (11-15g) and large (16-20g) and three watering intervals of 3, 6 and 9 days. In the second experiment, treatments comprised three watering intervals of 3, 6 and 9 days and three levels of defoliation -0, 50 and 100%. In both experiments, factorial combinations of the treatments were laid out in completely randomized design (CRD) and replicated three times. Results of analysis of variance showed that in the first experiment seed size significantly influenced root length with the medium and large seeds producing seedlings with comparatively longer roots than the small seeds. The most frequently watered seedlings (3 and 6 days) produced more leaves than those watered less frequently (9 days). Seed size influenced dry weight of root and total (whole plant) dry weight with the medium and large seeds recording significantly higher values than the small seeds. Watering interval however did not significantly influence any of the other traits. Seed weight exerted significant influence on amount of dry matter partitioned to the stem and the root. More dry matter was partitioned to the stem by the small seeds. Conversely, medium and large seeds allocated more dry matter to the root than to the stem. In the second experiment, defoliation level only influenced total fresh weight, dry weight of root and total dry weight in favour of plants with half their leaves removed. None of the traits examined were significantly influenced by watering regime. Interaction between defoliation level and watering regime significantly influenced total fresh weight, dry weight of root and total dry weight. Generally seed size had more influence on seedling characters than watering interval. Seedlings also demonstrated remarkable ability to overcome effects of defoliation.

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 59%

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Shea (Vitellaria paradoxa C. F. Gaertn.) Seedlings Showed Impressive Recovery after Defoliation

Ugese¹,

Ezechukwu²,

Ogbaje³

2015

ILNS

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“…from different localities in southeastern Nigeria. Ugese et al (2008) also showed that source of seed of Shea butter (Vitellaria paradoxa Gaertn F.) had effect on most of its traits. Fayeun et al (2012) reported variations in fresh leaf weight, vine weight, and marketable leaf yield of fluted pumpkin sourced from different locations.…”

Section: Discussionmentioning

confidence: 99%

Characterization and preliminary evaluation of local germplasm of Telfairia occidentalis Hook F. accessions in Enugu, Nigeria

Chukwudi¹,

Agbo²

2017

Agro-Sci.

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The variability among 18 accessions of Telfairia occidentalis were studied by examining their yield and yield component traits. The 18 accessions were collected from four local government areas in Enugu State, Nigeria. The experiment was performed in a randomized complete block design replicated three times. Ih-M accession gave the highest fruit circumference and average fruit weight that was significantly higher than Ih-L accession. Ib-S accession gave the highest total fruit weight and number of fruits per hectare. The PCA result showed that the first three principal components explained 86.91% of the total variation. The dendrogram grouped the fluted pumpkin accessions into three major clusters at similarity coefficient of 0.80. The cluster means showed that cluster I gave the highest number of days to first male anthesis and number of leaves per vine length of 40 cm. Cluster II gave the shortest number of days to male and female anthesis. It gave the highest total marketable leaf yield, number and length of the vine, width and length of the terminal leaflet. Cluster III gave the highest total and average fruit weights, number of fruits, fruit length and circumference, vine diameter, number of leaves per plant, fresh and dry leaf:vine ratio. The results indicated that the reproductive and yield traits assessed had significant contributions towards fluted pumpkin diversity. This information is vital for conservation of different genetic materials and initiation of improvement programme for T. occidentalis in Nigeria.

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“…Planted Vitellaria seedlings may survive to produce high yield and bear fruits more consistently than those in the open bush lands (Yidana, 2004). In a study with Vitellaria paradoxa seedlings, Ugese et al (2008) reported over 70 % dry matter allocation to the roots. Savanna species as typified by tamarind and shea butter focus more on early root development as a survival strategy in the harsh savanna environment (Ugese, 2010).…”

Section: Introductionmentioning

confidence: 99%

Untitled

2016

IJAPR

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In the Sub-Saharan Africa, the Shea tree (Vitellaria paradoxa C.F. Gaertn) has widespread occurrence of Shea Parklands across savanna landscapes. Recent demand growth for Shea butter by cosmetic and confectionary industry obtained from shea tree provides opportunities for income generation thus making significant contribution to rural livelihoods and ecosystem services. However, the Shea butter tree is a valuable resource which may become extinct if domestication is not intensified. Two screen house experiments were conducted sequentially to evaluate the effect of watering regime, organic manure application and mycorrhizal (Glomus mossae) inoculation on the growth and development of Shea butter seedlings. After the screen house experiment was terminated, the seedlings were planted on the field to assess their performance and survivability. Eight treatments (once a week watering (W1), once a week watering plus 2 t ha-1 of manure (W1Mn300), once a week watering plus 100 g of mycorrhiza inoculation (W1My100) and once a week watering plus 300 g of mycorrhiza inoculation (W1My300), once in two weeks watering (W2), once in two weeks watering plus 2 t ha-1 of manure (W2Mn300), once in two weeks watering plus 100 g of mycorrhiza inoculation (W2My100), once in two weeks watering plus 300 g of mycorrhiza inoculation (W2My300) were fitted into a Completely Randomizd Design (CRD) replicated three times. On the field, 32 plants 4 each from the 8 treatments were fitted into a randomized complete block design (RCBD) replicated three times. Collectively, the variables measured were plant height, stem diameter, number of leaves, crude leaf area, chlorophyll content, mycorrhiza colonization of roots, leaf fall and plant mortality. Shea butter seedlings treated with 2 t ha-1 of manure in combination with either once a week or once in 2 weeks watering exhibited significantly (p < 0.05) better growth than seedlings from the other treatments. Seedlings inoculated with 100 g of mychorriza and watered once a week (W1My100) were comparable to those that received 2 t ha-1 of manure and once a week watering (W1Mn300) in number of Shea plant leaves. The survival ability of seedlings on the field was high (75 %) irrespective of treatment received in the screen house.

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Effect of Seed Source and Watering Intervals on Growth and Dry Matter Yield of Shea Butter Tree (<i>Vitellaria paradoxa</i> Gaertn F.) Seedlings

Cited by 6 publications

References 1 publication

Shea (<i>Vitellaria paradoxa</i> C. F. Gaertn.) Seedlings Showed Impressive Recovery after Defoliation

Shea (<i>Vitellaria paradoxa</i> C. F. Gaertn.) Seedlings Showed Impressive Recovery after Defoliation

Characterization and preliminary evaluation of local germplasm of <i>Telfairia occidentalis</i> Hook F. accessions in Enugu, Nigeria

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