Tracing the origins and tracking the movements of invasive rubber vines (Cryptostegia spp., Apocynaceae)

IF 3.8 2区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION Neobiota Pub Date : 2023-11-08 DOI:10.3897/neobiota.89.109180
Marion K. Seier, Alessandro Rapini, Kate M. Pollard, Robert W. Barreto, Harry C. Evans
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Abstract

Cryptostegia grandiflora and C. madagascariensis (Apocynaceae) are the only two species of this Madagascan plant genus. Both have been transported around the world as ornamentals due to their attractive flowers and based on a perceived potential as sources of rubber – hence, the common name rubber vine – because of their copious latex, which also contains toxic cardiac glycosides. As a result of their vigorous growth and ability to climb over and smother vegetation, both species have become invasive, posing an actual or potential threat to native ecosystems in many tropical and sub-tropical countries, as well as to human and animal health. Classical biological control (CBC), or the introduction of co-evolved natural enemies to control an invasive alien species in its exotic range, has successfully been used to tackle C. grandiflora in northern Queensland, Australia. This strategy is currently being evaluated for its suitability to manage C. madagascariensis in north-eastern Brazil using the same Madagascan rust fungus, Maravalia cryptostegiae , released as a CBC agent in Australia. For CBC to be successful, it is critical to understand the taxonomy of the invader as well as the origin(s) of its weedy biotype(s) in order to select the best-matched co-evolved natural enemies. Based on an exhaustive search in published and unpublished sources, we summarise the taxonomy and uses of these rubber vines, follow their historical movements and track their earliest records and current weed status in more than 80 countries and territories around the world.
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入侵橡胶藤本植物(隐苔属,夹竹桃科)的起源与运动追踪
隐花菊(Cryptostegia grandflora)和C. madagascar (Apocynaceae)是该马达加斯加植物属仅有的两种。这两种植物都被作为观赏植物运往世界各地,因为它们的花朵诱人,而且人们认为它们可能是橡胶的来源——因此,橡胶藤也被称为橡胶藤,因为它们丰富的乳胶也含有有毒的心糖苷。由于其旺盛的生长和攀爬和窒息植被的能力,这两个物种已成为入侵物种,对许多热带和亚热带国家的本地生态系统以及人类和动物健康构成实际或潜在的威胁。经典生物防治(CBC),即引入共同进化的天敌来控制外来入侵物种,已成功地用于解决澳大利亚昆士兰北部的桔梗。目前正在评估这一策略是否适合在巴西东北部使用同样的马达加斯加锈病真菌——在澳大利亚作为CBC药剂释放的cryptostegiae——来管理马达加斯加夜蛾。为了使CBC成功,了解入侵者的分类及其杂草生物型的起源是至关重要的,以便选择最匹配的共同进化天敌。基于对已发表和未发表的资料的详尽搜索,我们总结了这些橡胶藤蔓的分类和用途,跟踪了它们的历史运动,并跟踪了它们在全球80多个国家和地区的最早记录和目前的杂草状况。
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来源期刊
Neobiota
Neobiota Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
8.10
自引率
7.80%
发文量
0
审稿时长
6 weeks
期刊介绍: NeoBiota is a peer-reviewed, open-access, rapid online journal launched to accelerate research on alien species and biological invasions: aquatic and terrestrial, animals, plants, fungi and micro-organisms. The journal NeoBiota is a continuation of the former NEOBIOTA publication series; for volumes 1-8 see http://www.oekosys.tu-berlin.de/menue/neobiota All articles are published immediately upon editorial approval. All published papers can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There is no charge for color.
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