Results 141 to 150 of about 1,263 (161)
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Axillary Meristem Ontogeny in Araucaria cunninghamii Aiton ex D Don
Australian Journal of Botany, 1986The presence of axillary meristems in apparently blank leaf axils from the main stem of 2-year-old Araucaria cunninghamii is demonstrated. These meristems are groups of cells of meristematic appearance, which possess neither a bud-like organisation nor vascular or pro-vascular connections with the central vascular cylinder.
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Essential Oil of the Wood ofAraucaria cunninghamiiAiton ex D. Don
Journal of Essential Oil Research, 1999Abstract Simultaneous distillation and solvent extraction of the sapwood of the Australian softwood Araucaria cunninghamii Aiton ex D. Don (common name “hoop pine”) gave a minute amount of an oil (3 ppm on wood oven-dry weight), the major components of which were hexanal (11.5%), αcopaene (31.1%), and β-farnesene (11.3%).
Robert A. Franich +2 more
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Anatomical Aspects of Root Bud Development in Hoop Pine ( Araucaria cunninghamii )
Australian Journal of Botany, 1990Root bud development was studied in the severed, secondarily thickened, lateral roots of 20-year-old hoop pines (Araucaria cunninghamii Aiton ex D. Don). The buds arose adventitiously in the parenchyma of the proliferated pericycle at positions opposite the diarch primary xylem poles, although they were not associated with lateral roots.
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Phytochemistry Letters, 2013
Abstract The present study was aimed at the identification of antimicrobial components from Araucaria cunninghamii with an activity-guided purification process. Eight compounds were obtained from the most active n-BuOH fraction and identified as the new compound 4-n-butoxyl-phenylpropanetriol (1), together with seven known compounds (2–8).
Jia Chen, Mei Li Yang, Jun Zeng, Kun Gao
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Abstract The present study was aimed at the identification of antimicrobial components from Araucaria cunninghamii with an activity-guided purification process. Eight compounds were obtained from the most active n-BuOH fraction and identified as the new compound 4-n-butoxyl-phenylpropanetriol (1), together with seven known compounds (2–8).
Jia Chen, Mei Li Yang, Jun Zeng, Kun Gao
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Mycopathologia et Mycologia Applicata, 1967
Botryodiplodia theobromaePat. isolated fromAraucaria cunninghamiiAit. in Malaysia was grown on a series of standard media and inoculated into both living and dead leaves ofAraucaria. A few pycnidiospores were produced in stromata on aged cultures on 2% malt medium whereas pycnidia were produced rapidly in living and dead leaves.
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Botryodiplodia theobromaePat. isolated fromAraucaria cunninghamiiAit. in Malaysia was grown on a series of standard media and inoculated into both living and dead leaves ofAraucaria. A few pycnidiospores were produced in stromata on aged cultures on 2% malt medium whereas pycnidia were produced rapidly in living and dead leaves.
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LC–MS/MS CHARACTERIZATION OF BIOACTIVE SECONDARY METABOLITES FROM TWIGS OF ARAUCARIA CUNNINGHAMII
Araucaria cunninghamii is a member of the Araucaria genus known to contain diverse bioactive secondary metabolites. This study aimed to identify and characterize the secondary metabolites present in the twigs of A. cunninghamii using LC–MS/MS. Methanolic extracts of A.Eneng Lulu Salamah +3 more
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The Role of Axillary Meristems in Coppice and Epicormic Bud Initiation in Araucaria cunninghamii
Botanical Gazette, 1990Axillary meristems are formed in all mainstem leaf axils of 2-mo-old hoop pines (Araucaria cunninghamii Aiton ex D Don) not occupied by first order branch buds. They have no bud-like organization or vascular connections and remain in this little differentiated and quiescent state unless stimulated to bud formation by release from apical dominance. With
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Journal of Soils and Sediments, 2010
Purpose Commercial monoculture plantations of the native Australian Araucaria cunninghamii are common in subtropical and tropical Queensland and are generally established following clearing of native mixed forest. The consequences of such forest conversion for soil fungal communities, however, have not been assessed in detail.
Curlevski, Nathalie JA +3 more
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Purpose Commercial monoculture plantations of the native Australian Araucaria cunninghamii are common in subtropical and tropical Queensland and are generally established following clearing of native mixed forest. The consequences of such forest conversion for soil fungal communities, however, have not been assessed in detail.
Curlevski, Nathalie JA +3 more
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Forest Ecology and Management, 1989
Abstract Grasses and cereals are sown in the inter-rows of Araucaria cunninghamii plantations to reduce soil erosion and to control the species composition and structure of inter-row vegetation for weed management. However any vegetation in the vicinity of young A. cunninghamii will compete for soil moisture and nutrients.
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Abstract Grasses and cereals are sown in the inter-rows of Araucaria cunninghamii plantations to reduce soil erosion and to control the species composition and structure of inter-row vegetation for weed management. However any vegetation in the vicinity of young A. cunninghamii will compete for soil moisture and nutrients.
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Growth Rings in Agathis robusta and Araucaria cunninghamii From Tropical Australia
Australian Journal of Botany, 1983Agathis robusta and Araucaria cunninghamii trees growing in a seasonal tropical climate in north Queensland produce late wood during cooler and drier periods. Vascular cambium growth rates fluctuate, and slow-growing trees may temporarily have inactive cambium around parts of the trunk so no growth ring is formed. Radiocarbon dates on old Agathis trees
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