Academic literature on the topic 'Corynocarpus laevigatus'

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Journal articles on the topic "Corynocarpus laevigatus"

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Andrews, Susyn. "CORYNOCARPUS LAEVIGATUS." Curtis's Botanical Magazine 3, no. 3 (August 1986): 125–26. http://dx.doi.org/10.1111/j.1467-8748.1986.tb00303.x.

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Garnock-Jones, P. J., R. E. Brockie, and R. G. FitzJohn. "Gynodioecy, sexual dimorphism and erratic fruiting in Corynocarpus laevigatus (Corynocarpaceae)." Australian Journal of Botany 55, no. 8 (2007): 803. http://dx.doi.org/10.1071/bt07054.

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The New Zealand karaka tree, Corynocarpus laevigatus J.R. & G.Forst., is shown to be gynodioecious. Flowers on female plants have large but empty anthers and many set fruit. Flowers on male plants produce pollen and each has a fully developed ovule. On most male plants, a low proportion of flowers set fruit. Inflorescences and flowers on male and female trees are similar in overall appearance, except that the flower parts on males are larger and flowers open more widely. Even the gynoecia on male plants are larger in most respects. We also report that although trees retain their gender, their intensity of fruiting varies from year to year. Some observations indicate that other species of Corynocarpus in Australia and the south-western Pacific might also be gender dimorphic.
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XUE, XIAO-FENG, and ZHI-QIANG ZHANG. "New Zealand Eriophyoidea (Acari: Prostigmata): an update with descriptions of one new genus and six new species." Zootaxa 1962, no. 1 (December 12, 2008): 1–32. http://dx.doi.org/10.11646/zootaxa.1962.1.1.

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The New Zealand fauna of Eriophyoidea (Acari: Prostigmata) is updated with a checklist. One new genus, six new species, three new combinations, one new record and some new distribution records of eriophyoid mites from New Zealand are described and illustrated, namely Disella rebeeveri sp. nov. on Kunzea ericoides (Myrtaceae); Cecidophyopsis hendersoni (Keifer, 1954), rec. nov. on Yucca glauca and Y. elephantipes (Agavaceae); Nameriophyes sapidae gen. nov. & sp. nov. on Rhopalostylis sapida (Palmae); Eriophyes bennetti sp. nov. on Fuchsia excorticata (Onagraceae); Eriophyes georgeae sp. nov. on Brachyglottis elaeagnifolia (Asteraceae); Aceria flynni sp. nov. on Kunzea ericoides (Myrtaceae); Aculops propinquae (Manson, 1984), comb. nov. on Coprosma propinqua (Rubiaceae); Aculus corynocarpi (Manson, 1984), comb. nov. on Corynocarpus laevigatus (Corynocarpaceae); Aculus heatherae (Manson, 1984), comb. nov. on Raukaua simplex (Araliaceae), Leptospermum scoparium (Myrtaceae) and Syzygium maire (Myrtaceae); Aculus lalithi sp. nov. on Melicope ternate (Rutaceae). A key to the New Zealand species of Eriophyes is provided.
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Shaw, Stephanie D., and Tony Billing. "Karaka (Corynocarpus laevigatus) Toxicosis in North Island Brown Kiwi (Apteryx mantelli)." Veterinary Clinics of North America: Exotic Animal Practice 9, no. 3 (September 2006): 545–49. http://dx.doi.org/10.1016/j.cvex.2006.05.014.

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Maxwell, Justin J., and Monica Tromp. "Corynocarpus laevigatus : Where art thou? Finding evidence of this elusive tree crop." Review of Palaeobotany and Palynology 234 (November 2016): 198–210. http://dx.doi.org/10.1016/j.revpalbo.2016.09.009.

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Burrows, C. J. "Germination behaviour of seeds of the New Zealand woody speciesAlectryon excelsus,Corynocarpus laevigatus, andKunzea ericoides." New Zealand Journal of Botany 34, no. 4 (December 1996): 489–98. http://dx.doi.org/10.1080/0028825x.1996.10410129.

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Atherton, RA, PJ Lockhart, PA McLenachan, PJ de Lange, SJ Wagstaff, and LD Shepherd. "A molecular investigation into the origin and relationships of karaka/kōpi (Corynocarpus laevigatus) in New Zealand." Journal of the Royal Society of New Zealand 45, no. 4 (October 2, 2015): 212–20. http://dx.doi.org/10.1080/03036758.2015.1093006.

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Majak, Walter, and Michael Benn. "Additional esters of 3-nitropropanoic acid and glucose from fruit of the New Zealand karaka tree, Corynocarpus laevigatus." Phytochemistry 35, no. 4 (March 1994): 901–3. http://dx.doi.org/10.1016/s0031-9422(00)90635-6.

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Centanni, Manuela, Susan M. Carnachan, Tracey J. Bell, Alison M. Daines, Simon F. R. Hinkley, Gerald W. Tannock, and Ian M. Sims. "Utilization of Complex Pectic Polysaccharides from New Zealand Plants (Tetragonia tetragonioides and Corynocarpus laevigatus) by Gut Bacteroides Species." Journal of Agricultural and Food Chemistry 67, no. 27 (June 19, 2019): 7755–64. http://dx.doi.org/10.1021/acs.jafc.9b02429.

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Rabbidge, Lee O., Arnaud G. Blouin, Kar Mun Chooi, Colleen M. Higgins, and Robin M. MacDiarmid. "Characterisation and Distribution of Karaka Ōkahu Purepure Virus—A Novel Emaravirus Likely to Be Endemic to New Zealand." Viruses 13, no. 8 (August 14, 2021): 1611. http://dx.doi.org/10.3390/v13081611.

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We report the first emaravirus on an endemic plant of Aotearoa New Zealand that is, to the best of our knowledge, the country’s first endemic virus characterised associated with an indigenous plant. The new-to-science virus was identified in the endemic karaka tree (Corynocarpus laevigatus), and is associated with chlorotic leaf spots, and possible feeding sites of the monophagous endemic karaka gall mite. Of the five negative-sense RNA genomic segments that were fully sequenced, four (RNA 1–4) had similarity to other emaraviruses while RNA 5 had no similarity with other viral proteins. A detection assay developed to amplify any of the five RNAs in a single assay was used to determine the distribution of the virus. The virus is widespread in the Auckland area, particularly in mature trees at Ōkahu Bay, with only occasional reports elsewhere in the North Island. Phylogenetic analysis revealed that its closest relatives are pear chlorotic leaf spot-associated virus and chrysanthemum mosaic-associated virus, which form a unique clade within the genus Emaravirus. Based on the genome structure, we propose this virus to be part of the family Emaravirus, but with less than 50% amino acid similarity to the closest relatives in the most conserved RNA 1, it clearly is a novel species. In consultation with mana whenua (indigenous Māori authority over a territory and its associated treasures), we propose the name Karaka Ōkahu purepure virus in te reo Māori (the Māori language) to reflect the tree from which it was isolated (karaka), a place where the virus is prevalent (Ōkahu), and the spotted symptom (purepure, pronounced pooray pooray) that this endemic virus appears to cause.
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Dissertations / Theses on the topic "Corynocarpus laevigatus"

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Stowe, C. J. (Christopher James), and n/a. "The ecology and ethnobotany of karaka (Corynocarpus Laevigatus)." University of Otago. Department of Botany, 2003. http://adt.otago.ac.nz./public/adt-NZDU20070504.114356.

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Historically there has been considerable debate over the origin of karaka (Corynocarpus laevigatus J.R. et G. Forst.) In contrast, the extent and importance of pre-historic arboriculture in New Zealand has received little attention in the literature. This study reviews the ecology and ethnobotony of karaka and investigates its cultural and natural biogeography. Maori migration traditions frequently state that karaka was introduced to New Zealand. However, molecular evidence and finds of fossil seeds of the late Oligocene age show that karaka is endemic to New Zealand. Therefore, Maori traditions probably relate to the translocation and cultivation of karaka within the New Zealand region, for which there is abundant anecdotal evidence. Karaka fruits were a valuable addition to the Maori diet and were likely to have functioned as a replacement for traditional Polynesian precedents and entailed a rigorous regime of steaming and soaking to rid the kernal of its toxic elements. There is data to suggest selection for fruit size and/or nutritional value in cultivated karaka populations. A database of karaka distribution was compiled and populations classified as �cultural� or �unknown� on the basis of spatial association with archaeological sites. Groves classed as cultural were assumed to be cultivated or translocated by pre-historic Maori. Lack of effective seed dispersal by birds and the longevity of the trees, mean that the contemporary distribution of karaka provides a reasonable template for the extent of its prehistoric translocation and cultivation within New Zealand. Karaka has a distinct cultural and natural biogeography. The greatest overlap between cultural and unknown trees occurred in the northern North Island while the majority of trees in the lower North Island, and all trees in the South Island were classed as cultural. Prior to the arrival of Polynesians in New Zealand, karaka was probably restricted in distribution to the Northland/Auckland region. Its natural range was then extended by human translocation and cultivation to the lower North Island, South Island, Kermadec Islands, Chatham Islands and many other in-shore islands off New Zealand. Climate variables were fitted to the distribution data and discriminant analysis used to further test the classification of karaka into cultural and unknown populations. Significant differences were found in climatic parameters between groups. Cultural karaka were found in enviroments with greater solar radiation seasonality, higher evaporative demands and greater soil moisture deficits than unknown karaka. The climate profile of karaka is biased towards the same environmental correlates of pa and pit site locations, further indicating that karaka was a cultivated tree crop. It is concluded that the importance and extent of karaka arboriculture, and probably that of other endemic tree species currently restricted to the northern North Island of cultural karaka is biased towards the same environmental correlates of pa and pit site locations, further indicating that karaka was a cultivated tree crop. The extensive translocation of karaka by Maori means that it has the potential, with the application of molecular methods, to serve as a marker for prehistoric settlement and mobility. Preliminary work was begun on this aspect and a predictive model is presented of the possible relationships within and between populations of karaka. It is concluded that the importance and extent of karaka arboriculture, and probably that of other endemic tree species, has previously been overlooked. This has implications for our view of certain plant communities as unmodified by humans, and provides an impetus to protect surface vegetation as an integral part of some prehistoric archaeological sites.
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Wotton, Debra Mary. "Consequences of dispersal failure: kereru and large seeds in New Zealand." Thesis, University of Canterbury. Biological Sciences, 2007. http://hdl.handle.net/10092/2509.

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The decline of kereru (Hemiphaga novaeseelandiae) may limit dispersal of large-seeded plants in New Zealand, but the consequences of this are unknown. I determined kereru disperser effectiveness by modelling seed dispersal distances (using seed retention times and movement patterns). Mean seed retention time was significantly longer for larger-seeded species, ranging from 37-181 minutes. Wild radiotracked kereru were sedentary, remaining at one location for up to 5.25 hours. The mean flight distance was 77 m and the maximum was 1, 457 m. Estimated mean seed dispersal distances for tawa (Beilschmiedia tawa), puriri (Vitex lucens), and fivefinger (Pseudopanax arboreus) were 95, 98, and 61 m respectively. Kereru dispersed 66-87% of ingested seeds away from the parent tree, with 79-88% of seeds dispersed <100 m and < 1% dispersed over 1,000 m. In a field seed-fate experiment, "pre-human" conditions (cleaned seeds, low density, away from parent, and protected from mammals) increased survival compared to "post-human" conditions (whole fruits, high density, under parent, not protected) for both taraire (Beilschmiedia tarairi; 15% vs. 2% survival to one year respectively) and karaka (Corynocarpus laevigatus; 60% vs. 11% to two years, respectively). Fruit diameter varied considerably within karaka, taraire, and tawa, although theoretically not enough for them to be swallowed by other birds. Nevertheless, other birds are reported to occasionally take fruits of nearly all large-seeded species. Small tawa seeds produced smaller seedlings in the glasshouse; therefore selection of only smaller seeds by alternative dispersers may negatively affect tawa recruitment. Kereru are generally not gape-limited, and fruit size preferences were independent of mean fruit size. Kereru provide effective dispersal by moving most seeds away from the parent, and enhancing seed and seedling survival. Therefore, both dispersal failure and introduced mammals negatively affect the regeneration of large-seeded trees in New Zealand.
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Book chapters on the topic "Corynocarpus laevigatus"

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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Corynocarpus laevigatus (Karaka or New Zealand laurel)." In Encyclopedia of Plant Viruses and Viroids, 655. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_253.

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"Corynocarpus laevigatus Corynocarpus." In A Guide to Poisonous House and Garden Plants, 138. Teton NewMedia, 2007. http://dx.doi.org/10.1201/b16160-38.

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