scholarly journals The Assessment and the Within-Plant Variation of the Morpho-Physiological Traits and VOCs Profile in Endemic and Rare Salvia ceratophylloides Ard. (Lamiaceae)

Plants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 474
Author(s):  
Rosa Vescio ◽  
Maria Rosa Abenavoli ◽  
Fabrizio Araniti ◽  
Carmelo Maria Musarella ◽  
Adriano Sofo ◽  
...  
Keyword(s):  
Southern Italy ◽  
Physiological Traits ◽  
Plant Biodiversity ◽  
Plant Adaptation ◽  
Local Conditions ◽  
Plant Variation ◽  
Volatile Organic ◽  
Rate Maximum ◽  
Photosynthetic Machinery ◽  
Metabolic Variation

Salvia ceratophylloides (Ard.) is an endemic and rare plant species recently rediscovered as very few individuals at two different Southern Italy sites. The study of within-plant variation is fundamental to understand the plant adaptation to the local conditions, especially in rare species, and consequently to preserve plant biodiversity. Here, we reported the variation of the morpho-ecophysiological and metabolic traits between the sessile and petiolate leaf of S. ceratophylloides plants at two different sites for understanding the adaptation strategies for surviving in these habitats. The S. ceratophylloides individuals exhibited different net photosynthetic rate, maximum quantum yield, light intensity for the saturation of the photosynthetic machinery, stomatal conductance, transpiration rate, leaf area, fractal dimension, and some volatile organic compounds (VOCs) between the different leaf types. This within-plant morpho-physiological and metabolic variation was dependent on the site. These results provide empirical evidence of sharply within-plant variation of the morpho-physiological traits and VOCs profiles in S. ceratophylloides, explaining the adaptation to the local conditions.

scholarly journals The Assessment and the Within-Plant Variation of the Morpho-Physiological Traits and VOCs Profile in Endemic and Rare Salvia ceratophylloides Ard. (Lamiaceae)

2021 ◽  
Author(s):  
Rosa Vescio ◽  
Maria Rosa Abenavoli ◽  
Fabrizio Araniti ◽  
Adriano Sofo ◽  
Valentina Lucia Astrid Laface ◽  
...  
Keyword(s):  
Physiological Traits ◽  
Plant Biodiversity ◽  
Plant Adaptation ◽  
Local Conditions ◽  
Plant Variation ◽  
South Italy ◽  
Threatened Plant Species ◽  
Rate Maximum ◽  
Photosynthetic Machinery ◽  
Metabolic Variation

Salvia ceratophylloides (Ard.) is an endemic, rare, threatened plant species recently rediscovered in very few individuals in two different sites of South Italy. The study of within-plant variation more than among-plant one is fundamental to understand the plant adaptation to the local conditions, especially in rare species, and consequently to preserve plant biodiversity. Here, we reported the variation of the morpho-ecophysiological and metabolic traits between the sessile and petiolate leaf of S. ceratophylloides plants in two different sites for understanding the adaptation strategies for surviving in these habitats. The S. ceratophylloides individuals exhibited different net photosynthetic rate, maximum quantum yield, light intensity for the saturation of the photosynthetic machinery, stomatal conductance, transpiration rate, leaf area, fractal dimension and some VOCs between the different leaf types. This within-plant morpho-physiological and metabolic variation was depended on the site. These results provide empirical evidence of sharply within-plant variation of the morpho-physiological traits and VOCs profiles in S. ceratophylloides which could be because of adaptation to the local conditions.

scholarly journals Volatile Organic Compounds from Orchis Species Found in Basilicata (Southern Italy)

Compounds ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 83-93
Author(s):  
Marisabel Mecca ◽  
Rocco Racioppi ◽  
Vito A. Romano ◽  
Licia Viggiani ◽  
Richard Lorenz ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Solid Phase Microextraction ◽  
Main Product ◽  
Southern Italy ◽  
Solid Phase ◽  
Gas Chromatography Mass Spectrometry ◽  
Orchid Species ◽  
Volatile Organic ◽  
Main Components

This study is part of a project devoted to determining the scent of all the orchid species present in Basilicata. All the analyses were performed by using the solid-phase microextraction technique coupled with gas chromatography-mass spectrometry. The scent of eight species belonging to the Orchis genus was investigated. In the case of O. anthropophora, caryophyllene, tetradecanal and hexadecanal were the main components of the aroma; in O. purpurea, 3,5-dimethoxytoluene and elemicin were found; in O. italica, caryophyllene and 4-(3-hydroxy-2-methoxyphenyl)butan-2-one were found; in O. pauciflora, linalool and 1,4-dimethoxybenzene were found; in O. mascula, linalool was found; in O. quadripunctata, penta- and heptadecane were found; in O. provincialis, β-farnesene and farnesal were found; and in O. pallens, curcumene was the main product.

scholarly journals The Regulatory Role of Silicon in Mitigating Plant Nutritional Stresses

Plants ◽  
2020 ◽  
Vol 9 (12) ◽  
pp. 1779
Author(s):  
Nusrat Ali ◽  
Elise Réthoré ◽  
Jean-Claude Yvin ◽  
Seyed Abdollah Hosseini
Keyword(s):  
Abiotic Stresses ◽  
Metal Toxicity ◽  
Current Knowledge ◽  
Nutrient Deficiency ◽  
Plant Adaptation ◽  
Positive Effects ◽  
Research Fields ◽  
Photosynthetic Machinery ◽  
Positive Effect

It has been long recognized that silicon (Si) plays important roles in plant productivity by improving mineral nutrition deficiencies. Despite the fact that Si is considered as ‘quasi–essential’, the positive effect of Si has mostly been described in resistance to biotic and tolerance to abiotic stresses. During the last decade, much effort has been aimed at linking the positive effects of Si under nutrient deficiency or heavy metal toxicity (HM). These studies highlight the positive effect of Si on biomass production, by maintaining photosynthetic machinery, decreasing transpiration rate and stomatal conductance, and regulating uptake and root to shoot translocation of nutrients as well as reducing oxidative stress. The mechanisms of these inputs and the processes driving the alterations in plant adaptation to nutritional stress are, however, largely unknown. In this review, we focus on the interaction of Si and macronutrient (MaN) deficiencies or micro-nutrient (MiN) deficiency, summarizing the current knowledge in numerous research fields that can improve our understanding of the mechanisms underpinning this cross-talk. To this end, we discuss the gap in Si nutrition and propose a working model to explain the responses of individual MaN or MiN disorders and their mutual responses to Si supplementation.

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