Cluster root formation and function vary in two species with contrasting geographic ranges

Avila-Valdes Andrea; Piper Frida I.; Zuniga-Feest Alejandra

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Cluster root formation and function vary in two species with contrasting geographic ranges

机译：群集根部形成和功能在两个物种中不同，地理范围对比

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Aims Southern South American Proteaceae can occupy soils that are rich in total phosphorus (P) but poor in available P (for example volcanic soils) thanks to their cluster roots (CR), which mine soil P. However, some southern South American Proteaceae occur in a wide range of soil nutrition. We hypothesized that CR formation and function are more responsive to nutrient soil availability in the widely-distributed Embothrium coccineum than in the narrowly-distributed Orites myrtoidea, which exclusively occurs in recent volcanic depositions.

机译：目标南部南美的Proteaceae可以占据富含磷（P）的土壤，但可用的P（例如火山土壤）较差，因为它们的簇生（CR），矿井土壤P.然而，一些南方南美的Proteaceae发生了在广泛的土壤营养中。我们假设Cr形成和功能在广泛分布的胚胎中的营养土壤可用性比在近似分布的胚胎内肌中的营养土壤可用性更加敏感，这完全发生在最近的火山沉积中。

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《Plant and Soil》 |2019年第2期|共14页
作者
Avila-Valdes Andrea; Piper Frida I.; Zuniga-Feest Alejandra;
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作者单位

Univ Austral Chile Fac Ciencias Agr Escuela Postgrad Campus Isla Teja S-N Valdivia Chile;

CIEP Ruta Coyha Puerto Aysen Km 4 Coyhaique Chile;

Univ Austral Chile Fac Ciencias Inst Ciencias Ambientales &

Evolut Lab Biol Vegetal Campus Isla Teja S-N Valdivia Chile;

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原文格式 PDF
正文语种 eng
中图分类土壤学;
关键词
Carboxylate exudation; Embothrium coccineum; Orites myrtoidea; Phosphatase activity; Volcanic depositions;

机译：羧酸盐渗出;胚胎髓质;矿石myrtoidea;磷酸酶活性;火山沉积;

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1. Cluster root formation and function vary in two species with contrasting geographic ranges [J] . Avila-Valdes Andrea, Piper Frida I., Zuniga-Feest Alejandra Plant and Soil . 2019,第1a2期

机译：群集根部形成和功能在两个物种中不同，地理范围对比
2. Temperature effects on the reactive oxygen species formation and antioxidant defence in roots of two cucurbit species with contrasting root zone temperature optima. [J] . Zhang YongPing, Jia FeiFei, Zhang XiaoMei, Acta Physiologiae Plantarum . 2012,第2期

机译：温度对两种葫芦科植物根系中活性氧的形成和抗氧化防御能力的影响与最佳的根区温度形成对比。
3. Temperature effects on the reactive oxygen species formation and antioxidant defence in roots of two cucurbit species with contrasting root zone temperature optima [J] . Yong-Ping Zhang, Fei-Fei Jia, Xiao-Mei Zhang, Acta Physiologiae Plantarum . 2012,第2期

机译：温度对两种葫芦科植物根系中活性氧的形成和抗氧化防御的影响，与最佳根区温度形成对比
4. Different Zhang functions leading to different ZD models illustrated via time-varying square roots finding [C] . Zhang Yunong, Yin Yonghua, Guo Dongsheng, International Conference on Intelligent Control and Information Processing . 2013

机译：通过时变平方根发现，不同的张函数导致不同的ZD模型
5. The genetic structure of species' geographic ranges: An evaluation using the coastal dune endemic Camissoniopsis cheiranthifolia (Onagraceae). [D] . Lopez Villalobos, Adriana. 2017

机译：物种地理范围的遗传结构：利用沿海沙丘特有的Camissoniopsis cheiranthifolia（Onagraceae）进行的评估。
6. Viminaria juncea does not vary its shoot phosphorus concentration and only marginally decreases its mycorrhizal colonization and cluster-root dry weight under a wide range of phosphorus supplies [O] . Mariana C. R. de Campos, Stuart J. Pearse, Rafael S. Oliveira, 2013

机译：在广泛的磷供应下Viminaria juncea不会改变其芽磷浓度仅略微降低其菌根定植和簇根干重
7. : "This paper deals with the functionality of the flaked stone assemblages from several Neolithic sites of the NE of the Iberian Peninsula. The chronological framework ranges from the mid-6th to the mid-4th millennium cal. BCE, which corresponds to the Early and Middle Neolithic. This long period ranges from the arrival of the first farming communities in the Iberian Peninsula, around 5600-5500 cal. BCE, to 3600-3500 cal. BCE, two millennia later, when Neolithic communities had stably occupied most of the available territory, from the mountainous areas of the Pyrenees to the coastal areas of the Mediterranean.In this context, the NE of the Iberian Peninsula is one of the areas where a major number of use-wear analyses have been carried out, especially for what concerns the Neolithic period. This is mainly due to the interest shown by the directors of the excavations and by the Spanish use-wear specialists as well; both participated and cooperated in order to enlarge the number of contexts studied, making the NE of the Iberian Peninsula one of the areas of Europe with the largest number of ‘functional studies’. As a result, today we have a reliable picture of the type of lithic tools used by the first farming groups, how they were used, and which needs they were satisfying.The methodology employed for this type of analysis is today broadly shared by most use-wear specialists. A stereoscopic microscope is used together with a reflected-light microscope for the analysis of the archaeological specimens. Afterwards, the observed use-wear traces are compared with the traces from experimental tools. This study primarily made use of the tools preserved at the ‘Traceoteque’ of the Institución Milà y Fontanals of the CSIC of Barcelona.This paper presents the results obtained for the different types of analysed sites and the relative lithic assemblages. In this way, tools from different contexts are compared: open-air sites, caves and rock-shelters, pit-sites, burials, and mining sites. Such a diversity of contexts allowed for the exploration of the existence of recurrences and differences in the functionality of the lithic tools from one site to another. The results obtained have also provided information on some aspects related to the economic processes carried out at the different sites, caves, rock-shelters and open-air contexts. It has been possible to gain fresh data on the types of tasks carried out and their relative importance for each site, their relation with the geographical and environmental context and the natural resources available there. In addition, analysing tools recovered from burials – mainly individual inhumations – provided information on the relationships between the buried individuals and the working tools, in particular exploring the relationships between sex and age patterns and the types of tools deposited as goods.In conclusion, use-wear analysis allowed for the exploration of a variety of issues; from technical aspects related to the production and management of the lithic resources to social aspects related to the subsistence activities and the individuals that carried them out." [O] . Gibaja Bao, Juan Francisco, Mazzucco, Niccolo 2015

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Cluster root formation and function vary in two species with contrasting geographic ranges

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