Early growth performance of full-sib Acacia auriculiformis x Acacia mangium F1 hybrid progenies at three different sites

2014 ◽  
Author(s):  
Atirah Abdullah Shah Aimin ◽  
Mohd Zaki Abdullah ◽  
Norwati Muhammad ◽  
Wickneswari Ratnam
Keyword(s):  
Growth Performance ◽  
Acacia Mangium ◽  
Early Growth ◽  
Acacia Auriculiformis ◽  
F1 Hybrid

scholarly journals Growth performance and lignin content of Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex Benth. under normal and stressed conditions

2017 ◽  
Vol 63 (No. 8) ◽  
pp. 381-392
Author(s):  
Asif Muhammad Javed ◽  
Govender Nisha Thopla ◽  
Ang Lai Hoe ◽  
Ratnam Wickneswari
Keyword(s):  
Organic Matter ◽  
Soil Temperature ◽  
Growth Performance ◽  
Lignin Content ◽  
Acacia Mangium ◽  
Water Holding Capacity ◽  
Acacia Auriculiformis ◽  
Fast Growing ◽  
Water Holding ◽  
Fast Growing Species

Acacia mangium Willdenow and Acacia auriculiformis A. Cunningham ex Bentham are fast-growing species with wide environmental adaptability. Fast-growing species which thrive in otherwise non-arable problematic soil and which hold the added advantage of improving the condition of the soil, can be used to increase production area, and, thus, are highly desired. We investigated the growth performance and lignin content under normal and stressed conditions for these Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex Benth. Normal growing conditions was represented by fertile soil, high water-holding capacity due to low soil drainage, high organic matter, low soil temperature, overall consistent rainfall and relatively milder temperatures, whilst stressed conditions were achieved with a sandy soil with low fertility, low water-holding capacity due to high drainage and low organic matter, and high soil temperature accompanied by inconsistent monthly temperature and rainfall. Growth performance under normal conditions was significantly better compared to the stressed conditions. A. mangium performed better than A. auriculiformis under the normal conditions. However A. auriculiformis performed better under stressed conditions due to better adaptability. The lignin content under normal conditions fluctuated from one DBH class to another. As for the stress conditions, A. mangium exhibited incremental increases in lignin content with increasing biomass. In contrast, lignin content in A. auriculiformis decreased with increasing biomass. The differences in performance may be attributable to both the micro- and macro-environments and adaptive differences between the two species. For growth under normal conditions, A. mangium appears to be the superior choice, whereas for problematic soils, A. auriculiformis can be recommended. However, for the selection of superior plants with a combination of desired growth rates and lower lignin content the breeding of interspecific hybrids would be a desirable approach.

scholarly journals Comparing the early growth performance of plantation–grown Eucalyptus hybrid and Eucalyptus pellita, South Johore, Peninsular Malaysia

2020 ◽  
Vol 6 (2) ◽  
pp. 234-238
Author(s):  
Yahya Ahmad Zuhaidi ◽  
Hassan Nor Hasnida ◽  
Loon Ng Tong ◽  
Heng Lai Hong ◽  
Zorkarnain Fauzeyana Ain
Keyword(s):  
Growth Performance ◽  
Early Growth ◽  
Peninsular Malaysia ◽  
Eucalyptus Pellita ◽  
Eucalyptus Hybrid

scholarly journals Characterization of natural provenances of Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex Benth. in Malaysia based on phenotypic traits

2017 ◽  
Vol 63 (No. 12) ◽  
pp. 562-576
Author(s):  
Asif Muhammad Javed ◽  
Dorairaj Deivaseeno ◽  
Wickneswari Ratnam
Keyword(s):  
Quantitative Trait Loci ◽  
Association Mapping ◽  
Quantitative Trait ◽  
Acacia Mangium ◽  
Acacia Auriculiformis ◽  
Phenotypic Traits ◽  
Homogeneous Population ◽  
Stem Straightness ◽  
Trait Loci ◽  
Planting Materials

Acacia mangium Willdenow and Acacia auriculiformis A. Cunningham ex Bentham and their hybrid have become important planting species in Malaysia. Due to their high demand and consumption, development of high quality planting materials is desired. Conventional breeding of Acacia Miller is slow but the utilization of marker-assisted selection breeding can expedite the breeding process. Markers associated with quantitative trait loci (QTLs) required pedigreed populations whereas association mapping can be used directly on diverse germplasm. This study was conducted to screen provenances of A. mangium and A. auriculiformis of different geographical origins for their performance under the Malaysian environment. A. mangium exhibited superior traits compared to A. auriculiformis. More trait variation was observed within and between provenances of A. auriculiformis. Provenances from Queensland (QLD) were superior to those from Papua New Guinea (PNG) and Northern Territory. The best performing provenance with all three superior traits was from Claude River QTL of A. mangium and the worst was Bensbach Western Province, PNG belonging to A. auriculiformis. For individual traits like DBH, Morehead, PNG was superior. For plant height, Morehead, PNG was the superior provenance for A. mangium and Morehead River, QLD was from A. auriculiformis. For stem straightness the A. auriculiformis provenance Jardines Garden, QTL was superior to West of Morehead (PNG) for A. mangium. Multivariate analysis grouped provenances together based on similar traits and genetic similarity. These provenances can be used for seed families which can be treated as a homogeneous population for association mapping or for the development of segregating hybrid populations for Acacia breeding. For the purpose of utilization, provenances of A. mangium can be used for sawn timber. For fuelwood and charcoal industries, A. auriculiformis provenances should be preferred by selecting multi-stemmed trees. The most variable provenances with superior phenotypic traits can be integrated with the genotypic data e.g. single nucleotide polymorphism markers for association mapping to identify quantitative trait loci for marker-assisted breeding.

scholarly journals Effects of In Ovo feeding of dextrin-iodinated casein in broilers: I. Hatch weights and early growth performance

2017 ◽  
Vol 96 (5) ◽  
pp. 1473-1477 ◽  
Author(s):  
S. Abousaad ◽  
K. Lassiter ◽  
A. Piekarski ◽  
P. Chary ◽  
K. Striplin ◽  
...  
Keyword(s):  
Growth Performance ◽  
Early Growth ◽  
In Ovo ◽  
In Ovo Feeding

Pre-bleaching of kraft acacia pulp

2019 ◽  
Vol 34 (2) ◽  
pp. 165-172 ◽  
Author(s):  
Moinul Haque ◽  
Moumita Nanjiba ◽  
M. Sarwar Jahan ◽  
M. A. Quaiyyum ◽  
M. Zahangir Alam ◽  
...  
Keyword(s):  
Acacia Mangium ◽  
Kappa Number ◽  
Acacia Auriculiformis ◽  
Kraft Pulps ◽  
Oxygen Delignification ◽  
Acid Pretreatment ◽  
Acacia Hybrid ◽  
Pre Treatment ◽  
Hexenuronic Acid ◽  
Peroxyformic Acid

Abstract Kraft pulps from acacia hybrid, Acacia mangium of 8 years old and Acacia auriculiformis of 6, 8 and 10 years old were pre-treated with oxygen, peroxyformic acid and acid treatment prior to bleaching. The kappa number reduction was 52–63 % by oxygen delignification, 31–35 % by peroxyformic acid (PFA) pre-treatment and 11–13 % by acid pre-treatment. Oxygen delignified pulp required less chlorine dioxide charge to reach target brightness. At the consumption of 30 kg ClO2/ton of pulp, the pulp brightness reached to 65–71 % for the untreated pulp, 81–85 % for the oxygen delignified pulp, 81–82 % for the PFA treatment and 79–80 % for acid pre-treated pulp. COD load in bleached effluent was much lower in oxygen delignified pulp. Cold alkali extraction of unbleached and oxygen delignified pulps was also carried out with varying alkali charge to remove hexenuronic acid (HexA) from the pulp. Xylan removal from the pulp was insignificant and resulted in no removal of HexA. Acid pretreatment removed 55.7 % to 17.8 % HexA from acacia hybrid, 57.5 % to 16.3 % from A. auriculiformis of 10 years and 58.6 % to 20.1 % from A. auriculiformis of 6 years old, resulting in improved final pulp brightness.

scholarly journals Use of ridge regression for the prediction of early growth performance in crossbred calves

2007 ◽  
Vol 30 (3) ◽  
pp. 536-544 ◽  
Author(s):  
Eduardo da Cruz Gouveia Pimentel ◽  
Sandra Aidar de Queiroz ◽  
Roberto Carvalheiro ◽  
Luiz Alberto Fries
Keyword(s):  
Growth Performance ◽  
Ridge Regression ◽  
Early Growth
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