APP203644 Staff Assessment Report.Pdf
Total Page:16
File Type:pdf, Size:1020Kb
EPA advice for application APP203644 Staff Assessment Report September 2018 APP203644: To determine the new organism status of Spondias dulcis Purpose To determine if Spondias dulcis is a new organism under section 26 of the HSNO Act Application number APP203644 Application type Statutory determination Applicant Ministry for Primary Industries Date formally received 3 July 2018 1 Executive Summary and Recommendation Application APP203644, submitted by the Ministry for Primary Industries (MPI), seeks a determination on the new organism status of Spondias dulcis. After reviewing all of the available information and completing a literature search concerning the organism, EPA staff recommend that Spondias dulcis is not a new organism for the purpose of the HSNO Act based on evidence that this organism has been present in New Zealand since immediately before 29 July 1998 when the HSNO Act came into effect. 2 EPA advice for application APP203644 Table of Contents Introduction and background ……………………………………………………………4 Organism description…………………………………………………………………………4 Review of information………………………………………………………………………..6 Recommendation…………………………………………………………………………….....7 References…………………………………………………………………………………….....11 Appendix 1: Decision pathway……..…………………………………………………..12 3 Introduction and background On 8 June 2018, the Ministry for Primary Industries (MPI) applied to the EPA under section 26 of the HSNO Act seeking a determination on the new organism status of Spondias dulcis. MPI is seeking a determination for S. dulcis as this organism is currently the subject of an Import Health Standard (IHS) being developed to enable the importation of this species and to facilitate trade from the Pacific Islands. The EPA requested comment on the application from the Department of Conservation (DOC) and the Plant Imports team of MPI. DOC did not have any comments to make on this application. The applicant considers this species is not a new organism and to support this claim, the applicant provided evidence to demonstrate that this organism was present in New Zealand since at least 1995. Section 2A(1) of the HSNO Act prescribes that a new organism is, in part, an organism belonging to a species that was not present in New Zealand immediately before 29 July 1998. Organism description Spondias dulcis is more commonly known as the golden apple or ambarella and is an equatorial, tropical tree with edible fruit containing a fibrous pit. Due to its wide geographic range across tropical regions, it is known by numerous other names as shown in Table 1 below. Table 1: Common global names of Spondias dulcis. Common names of Spondias Country(ies) Region dulcis Ambarella Sri Lanka Asia June plum Bermuda and Jamaica Caribbean Buah long long Singapore Asia Pomme cythere Trinidad and Tobago, Caribbean and South America Guadeloupe, Saint Lucia and Martinique and Suriname Juplon Costa Rica Central America Mangotin Panama Central America Golden plum Belize Central America Kedondong Indonesia Asia Cas mango Cameroon Africa 4 EPA advice for application APP203644 Jobo indio Venezuela South America Caja-manga and cajarana Brazil and Sao Tome and South America and Central Principe Africa Qua coc Vietnam Asia Amra Bangladesh Asia Manzana de oro Dominican Republic Caribbean Polynesian vi apple, tevi, uli, uuli Papua New Guinea, Solomon Polynesia / Melanesia auki, vi, vi-apple, naus, vi Islands, Tonga, Vanuatu, Cook kavakava Islands, Fiji, Samoa Spondias dulcis is native to Melanesia through Polynesia and is abundant in tropical regions where it has successfully colonised, adapted and propagated in the environment (Islam et al. 2013). Introduced to Jamaica in 1782, this species is now cultivated in Panama, Cuba, Haiti, the Dominican Republic, Puerto Rico, Trinidad and Tobago and the northern state of Sucre in Venezuela (Mohammed, et al. 2017). This species is also grown in South Florida, USA and in Somalia where it was most likely introduced during the colonial era preceding 1960 (Boning, 2006). This species is a fast growing deciduous tree capable of reaching 20m in height in its native range, however, on average this species reaches 10-12m in other areas. There is also a dwarf type of S. dulcis found in Tahiti, Hawaii and Cook Islands which reaches a height of 1.5 to 3m. The subhumid and frost-free tropics are the preferred climate for S. dulcis where it can grow up to 700m above sea level. Due to the tropical preference, S. dulcis grows best in sunny and warm environments where annual daytime temperatures are within the range of 22 – 27 °C but can tolerate 12 – 35 °C. In a state of dormancy, this plant can also tolerate temperatures as low as -3 °C. For ideal growing conditions, it prefers environments where the mean annual rainfall is 900 – 1800mm but can tolerate 600 – 2,200mm (Plants for a Future). Spondias dulcis thrives across multiple island countries in Polynesia and Melanesia. Spondias dulcis does not require fertile soils to survive although poor soil quality or shallow land is unsuitable. Adult plants prefer a pH range of 5.5 – 6.5 (Plants for a Future) but can tolerate a soil range of 4.5 - 8. Flowering begins usually as early as July and continues to December with fruits reaching maturity between November and the following July. Plants are capable of bearing fruit only four years from seed or 2-3 years from cuttings (Martin et al. 1987) and can continue producing seeds for up to 40 years1. In environments where there is no 1 Report on the Application for Market Access of Polynesian Plum (Spondias dulcis) from Fiji, Vanuatu, Samoa, Cook Islands and Tonga to New Zealand - http://www.fao.org/3/a-an435e.pdf 5 prolonged dry season, S. dulcis is capable of flowering and developing fruit continuously throughout the year (Subhadrabandhu, 2001). Spondias dulcis has deciduous, pinnate leaves, 20-60cm in length, composed of 9 to 25 glossy, elliptic or obovate-oblong leaflets 9-10cm long. The tree produces inconspicuous white flowers in terminal panicles. Its ellipsoid to ovoid drupe fruits are 4-12cm long and generally 3- 8cm in diameter (Persad, 1991; Daulmerie, 1994; Fournet, 2002). Fruits are borne in bunches of 12 of more on a long stalk and individual fruit can weigh up to 500g although the average is 200g (Mohammed, et al. 2017). Over a period of several weeks, the fruit fall to the ground while still green and hard, then turn golden-yellow and develop greyish-brown freckles during ripening (Chin and Yong, 1980). The fruits at the mature-green, semi-ripe and ripe stages of maturity are utilised in the fresh and processed states and are a major export fruit for many Caribbean islands. Spondias dulcis is an exotic fruit which imparts a distinct Caribbean flavour when utilised in cuisine and beverages (Massiot et al. 1991). Internationally, it is cultivated and used for a variety of purposes such as jam in Fiji (Geurts et al. 1986), as a pre-meal snack in Vietnam, a sweetened drink in Jamaica, a remedy for diarrhoea in Cambodia (Morton, 1987) and for cooking the fruit into a preserve for sauce flavouring in soups and stews. Unripe fruit are also eaten in curries or green salads (Daulmerie, 1994). It is currently exported to the United States and Europe either at the mature-green stage for use as a fresh fruit or as processed products such as chutneys, jams, jellies and wines (Marte et al. 1992). Review of information The applicant provided evidence supporting S. dulcis being present in New Zealand currently and a record of its existence in New Zealand immediately before 29 July, 1998. The applicant provided pictures of S. dulcis from the Auckland Domain Wintergardens in Parnell, Auckland that show a positive identification of a live, adult dwarf specimen of S. dulcis with a height of 2.2m in the back section of a nursery. Auckland Domain Wintergardens advised the applicant that a voucher sample was taken from this specimen in 1995 and the same individual plant is still alive. To consolidate this statement, MPI requested DNA testing of a sample from this specimen to be completed by EcoGene (see results in section ‘Results of DNA test sample’). The results of the DNA testing verify that the specimen currently at the Auckland Domain Wintergardens is Spondias dulcis. This demonstrates that this Spondias dulcis is currently in New Zealand and given that records show this particular specimen being in the Auckland Domain Wintergardens nursery since at least 1995, it has been present in New Zealand prior to 29 July 1998 and has been continuously present since. Auckland Domain Wintergardens is unable to provide any information on how the plant arrived in New Zealand. The applicant provided no further information on this species from within New Zealand in any time period and subsequent literature searches were unsuccessful in finding additional 6 EPA advice for application APP203644 supporting information from New Zealand. EPA staff believe the evidence provided by the applicant is the sole piece of evidence to support this organism being considered as not a new organism under the HSNO Act. The HSNO Act does not specify the number of organisms, population sizes or whether or not an organism has self-sustaining populations in New Zealand to make a determination on its status in New Zealand. Spondias dulcis is a tropical plant which grows under specific conditions that can only be created in a glasshouse such as at Auckland’s Domain Wintergardens. The Wintergardens are not operating as a containment facility and therefore, this plant is growing in the New Zealand environment. Conclusion After completing our assessment of the information that was submitted by the applicant, we consider that Spondias dulcis was present in New Zealand and has been present for a significant period of time (i.e. immediately before 29 July 1998) based on the evidence presented by the applicant and has been present since this date.