Mariateresa Cardarelli

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• PhD
• Professor (Associate) at University of Tuscia

Prebiotics might contribute to astronauts' health in space, yet their production in Bioregenerative Life Support Systems (BLSS) remains largely unexplored. Here, chicory (Cichorium intybus L.) exhibited the most appropriate characteristics among seven candidate species as the ideal crop for space prebiotic production systems. Furthermore, we evalua...

Citation: Pin, L.; Sobolev, A.P.; Testone, G.; Scioli, G.; Pinzari, F.; Magnanimi, F.; Colla, G.; Cardarelli, M.; Giannino, D. Untargeted NMR Study of Metabolic Changes in Processing Tomato Treated with Trichoderma atroviride Under Open-Field Conditions and Exposed to Heatwave Temperatures. Molecules 2025, 30, 97. https://doi. Abstract: Rising temp...

Beneficial microorganisms are increasingly used in modern agriculture with significant benefits on yields and sustainability of the agricultural system. However, the massive introduction of non-indigenous bacterial and fungal species in the form of biofertilizers and bioinoculants can result in their uncontrolled spread and undesirable effects on t...

Introduction Considering that plant biostimulants can be sprayed multiple times on leafy crops even just before harvest, it is relevant to know the impact of biostimulant applications on Escherichia coli population dynamics of lettuce leaves to ensure food safety. Two trials were carried out to investigate whether the applications of a seaweed extr...

BACKGROUND Vegetal‐derived protein hydrolysates (PHs) have been recognized as sustainable biostimulant products due to their beneficial effects on crops. However, most studies on PHs have been conducted at a fixed ratio of nitrate‐to‐ammonium (NO3⁻:NH4⁺) without considering other N application scenarios, leading to inconsistent results among the st...

The need to increase agricultural production to feed a steadily growing population may clash with the more environmentally friendly but less efficient production methods required. Therefore , it is important to try to reduce the use of chemical inputs without compromising production. In this scenario, natural biostimulants have become one of the mo...

BACKGROUND Protein hydrolysates (PHs) can enhance plant nitrogen nutrition and improve the quality of vegetables, depending on their bioactive compounds. A tomato greenhouse experiment was conducted under both optimal (14 mM) and suboptimal (2 mM) nitrogen (N‐NO3) conditions. Tomatoes were treated with a new Malvaceae‐derived PH (MDPH) and its mole...

Plant biostimulants are widely applied in agriculture for their ability to improve plant fitness. In the present work, the impact of Graminaceae-derived protein hydrolysate (P) and its lighter molecular fraction F3 (< 1 kDa) on lettuce plants, subjected to either no salt or high salt conditions, was investigated through the combination of metabolom...

BACKGROUND Microgreens constitute dietary sources of bioactive compounds imparting numerous health benefits and enhancing sensory experience. They can be successfully cultivated in soilless systems where biostimulants can be easily integrated as seed‐priming and post‐germination agents improving the sustainability of a crop's final production. Comp...

Introduction High-throughput phenotyping technologies together with metabolomics analysis can speed up the development of highly efficient and effective biostimulants for enhancing crop tolerance to drought stress. The aim of this study was to examine the morphophysiological and metabolic changes in tomato plants foliarly treated with two protein h...

Citation: Traversari, S.; Cardarelli, M.; Brambilla, M.; Cutini, M.; Burchi, G.; Fedrizzi, M.; Massa, D.; Orlandini, A.; Cacini, S. Trichoderma atroviride Enhances Impatiens walleriana Hook. f Growth and Flowering in Different Growing Media. Plants 2024, 13, 583. Abstract: Trichoderma spp. are widely reported to regulate plant growth by improving n...

The demand for high-quality strawberries continues to grow, emphasizing the need for innovative agricultural practices to enhance both yield and fruit quality. In this context, the utilization of natural products, such as biostimulants, has emerged as a promising avenue for improving strawberry production while aligning with sustainable and eco-fri...

Interest in the sustainability of intensive agroecological systems has triggered a growing appeal to the world of biostimulants. However, the interaction of biostimulants with microgreens has not yet been investigated in detail. In our experiment, three different priming treatments (hydropriming, hereafter referred to as Water; commercial protein h...

Salinity or salt stress has deleterious effects on plant growth and development. It imposes osmotic, ionic, and secondary stresses, including oxidative stress on the plants and is responsible for the reduction of overall crop productivity and therefore challenges global food security. Plants respond to salinity, by triggering homoeostatic mechanism...

The text discusses the beneficial effects of the fungal species of the genus Trichoderma, specifically T. atroviride, when used as a biofertilizer. It has been observed to stimulate plant growth and reduce post-transplant damping-off of industrial tomato seedlings, leading to significant economic benefits. The aim of the work is to further investig...

In addition to be used as a plant protection agent, copper (Cu) is also an essential micronutrient for plant growth and development. The bioavailability of Cu in agricultural systems can be limited due to its specific physical–chemical characteristics, leading to imbalances in plant production. To address this issue, an experimental trial was condu...

In response to tackling the environmental consequences of fertiliser production, bioferti-lisers from organic sources are strongly promoted in line with circular economy and maximising resource use. Despite the outstanding potential of bio-based fertilisers for the sustainable development of the agricultural sector, an environmental investigation o...

Water management is a key factor to optimize fruit quality and yield of processing tomatoes which are site-specific and influenced by environmental conditions e.g., soil, temperature, precipitation. The aim of this study was to evaluate the efficacity of a low-cost wireless soil moisture sensor in determining the irrigation level for optimizing the...

Salinity in water and soil is a critical issue for food production. Using biostimulants provides an effective strategy to protect crops from salinity-derived yield losses. The research supports the effectiveness of protein hydrolysate (PH) biostimulants based on their source material. A greenhouse experiment was performed on lettuce plants under co...

Iron (Fe) is an essential micronutrient for plant growth and productivity and, among other micronutrients, is the one required in higher amounts. In most soils, Fe occurs at relatively high concentrations; nevertheless, in calcareous soils, Fe bioavailability can be very limited, thus leading plants to develop Fe deficiency symptoms. At present, Fe...

Intensive greenhouse vegetable production is often associated with a decline of crop productivity due to the increase of soil salinity and/or a reduction of biological fertility. The aim of the current work was to assess the effects of three organic fertilizers on morpho-physiological and agronomic traits of greenhouse lettuce as well as soil enzym...

Three commercial microbial-based biostimulants containing fungi (arbuscular mycorrhizae and Trichoderma spp.) and other microrganisms (plant growth-promoting bacteria and yeasts) were applied on a processing tomato crop in a two-year field experiment in southern Italy. The effects of the growing season and the microorganism-based treatments on the...

Protein hydrolysate biostimulants are environmentally friendly options for the reduction of nitrogen input, but their plant growth-promoting mechanisms are still not completely unveiled. Here, to put the "signaling peptide theory" to the test, a greenhouse experiment was undertaken using low (1 mM) and optimal (8 mM) NO3-treated butterhead lettuce...

Two trials were conducted on chicory (Cichorium intybus L.) grown under greenhouse and growth chamber conditions with the aim to evaluate the potential of three biostimulants (seaweed extract (SWE), animal-derived protein hydrolysate (APH), and vegetal-derived protein hydrolysate (VPH) on improving quali-quantitative traits of taproot, in short and...

Microbial-based biostimulants containing arbuscular mycorrhizal fungi (AMF), Trichoderma fungi and plant growth-promoting rhizobacteria (PGPR) have been applied in an open-field tomato cultivation. A two-years field experiment (2020-2021) was performed in Southern Italy on “Heinz 1534” processing tomato hybrid, using three commercial formulations c...

To maintain the shelf life of fresh-cut zucchini flowers, low temperatures and wrapping with plastic film have been used. In this study, storage at 5 °C for 8 days has been studied, using polyester (an oxygen permeability reduction of 63%) and low-density polyethylene (LDPE) with an oxygen permeability reduction of 24%. In addition, the novelty was...

Different species of fungi and bacteria are currently utilised to produce microbial-based fertilisers and pesticides (biofertilisers and biocontrol products). Bioinoculants have great potential in agriculture because they represent an effective eco-sustainable contribution to high yield and quality crop production. However, very little is known abo...

Protein hydrolysates (PHs) are a prominent category of plant biostimulants, mainly constituted of amino acids, oligopeptides and polypeptides, obtained by partial hydrolysis of animal or plant protein sources. Despite scientific evidence supporting the biostimulant action of PHs on vegetables, the morphological, physiological, and shelf-life perfor...

The use of plant biostimulants such as seaweed extracts (SWE) and protein hydrolysates (PH) has grown in the recent years due to their beneficial effects on yield under both optimal and sub-optimal conditions such as salt stress. The comprehension of the mode of action of these two important categories of biostimulants on plant performance will all...

Salinity stress is a major constraint to sustainable crop production due to its adverse impact on crop growth, physiology, and productivity. As potato is the fourth most important staple food crop, enhancing its productivity is necessary to ensure food security for the ever-increasing population. Identification and cultivation of salt-tolerant pota...

Calcium deficiency or its inefficient translocation to pepper fruits leads to considerable economic loss by reducing the number of marketable fruits. The present study proposes grafting as an environmentally friendly technique to effectively reduce such loss. A commercial variety (Al-cudia F1; V) was grafted onto two pepper (Capsicum annum L.) acce...

The cultivation of nutritionally and economically important crops like tomato are often threatened by dry spells due to drought as these crops largely depend on an assured water supply. The magnitude and intensity of drought is predicted to intensify under climate change scenarios, particularly in semi-arid regions, where water is already a scarce...

The cultivation of nutritionally and economically important crops like tomato are often threatened by dry spells due to drought as these crops largely depend on an assured water supply. The magnitude and intensity of drought is predicted to intensify under climate change scenarios, particularly in semi-arid regions, where water is already a scarce...

I trattamenti effettuati con le tre diverse formulazioni di biostimolanti microbici rappresentano una strategia promettente perché, pur agendo in modo differente, sono in grado di aumentare il contenuto di metaboliti antiossidanti e la qualità di frutti di pomodoro da industria nelle coltivazioni in pieno campo

lungo tutta la filiera produttiva questi ritrovati possono essere applicati al seme, nella fase vivaistica e durante la coltivazione in pieno campo.

Plant-derived protein hydrolysates (PHs) are gaining global interest for their sustainability and positive effects on crops under abiotic stresses. However, the long-term effects of PHs on the yield and quality of greenhouse crops have not been described. Romaine lettuce (Lactuca sativa L.) and Micro-Tom tomato (Solanum lycopersicum L.) were grown...

Background Wild rocket ( Diplotaxis tenuifolia ) is prone to soil-borne stresses under intensive cultivation systems devoted to ready-to-eat salad chain, increasing needs for external inputs. Early detection of the abiotic and biotic stresses by using digital reflectance-based probes may allow optimization and enhance performances of the mitigation...

I risultati delle prove sperimentali riportati in questo articolo evidenziano come i trattamenti al seme delle orticole con sostanze e microrganismi ad azione biostimolante siano efficaci nel migliorare la germinabilità, l’uniformità di germinazione e il vigore delle piante, a tutto vantaggio di resa e qualità del prodotto finale

Il ciliegio è una delle colture più soggette al fenomeno del cracking. Considerata l’elevata rilevanza economica della coltura, l’importante danno economico che lo spacco può apportare e la necessità di rendere le produzioni sempre più sostenibili, negli anni sono state studiate diverse strategie per contenere questo problema. Tra queste, anche l’u...

https://www.biostimulant.com/blog-29-biostimulants-research-global-trends-in-2021

Seed quality is an important aspect of the modern cultivation strategies since uniform germination and high seedling vigor contribute to successful establishment and crop performance. To enhance germination, beneficial microbes belonging to arbuscular mycorrhizal fungi, Trichoderma spp., rhizobia and other bacteria can be applied to seeds before so...

I risultati delle due prove hanno evidenziato le potenzialità delle applicazioni di biostimolanti a base di funghi micorrizici arbuscolari e sostanze biologicamente attive (peptidi, aminoacidi) nel migliorare la crescita radicale e la resistenza allo stress salino di giovani piante di vite in vaso.

This study aimed to assess the morphological and physio-biochemical responses of a commercial watermelon (Citrullus lanatus (Thunb.) Matsum. and Nakai) cv. ‘Crimson Sweet’ grafted onto a drought-tolerant rootstock of wild watermelon (bitter apple, Citrullus colocynthis (L.) Schrad, ‘Esfahan’) in comparison with an ungrafted ‘Crimson Sweet’ watermel...

Radish, one of the important root vegetables, is widely grown in the world due to its easy cultivation, short duration, growing habit, and adaptability to various growing conditions. However, it is still extremely difficult to produce good quality radish roots due to its vulnerability to different preharvest physiological disorders. Important physi...

Background Wild rocket ( Diplotaxis tenuifolia ) is prone to soil-borne stresses under intensive cultivation systems devoted to ready-to-eat salad chain, increasing needs for external inputs. Early detection of the abiotic and biotic stresses by using digital reflectance-based probes may allow optimization and enhance performances of the mitigation...

Background: Wild rocket (Diplotaxis tenuifolia) is prone to soil-borne stresses under intensive cultivation systems devoted to ready-to-eat salad chain, increasing needs for external inputs. Early detection of the abiotic and biotic stresses by using digital reflectance-based probes may allow optimization and enhance performances of the mitigation...

Plant biostimulant mineral composition nursery Solanaceae seedlings quality SPAD index A B S T R A C T The urgent need to increase sustainable crop production has pushed the agricultural sector towards methods based on natural products such as biostimulants. The nursery industry holds strategic importance for modern horticulture because only "high...

Protein hydrolysates (PHs) are employed in agriculture to increase the sustainability of farming systems, with positive results on crop productivity and response against environmental stressors. Nevertheless, the molecular mechanism(s) triggered by their specific activity is not clearly understood. In this work, five PHs obtained by enzymatic hydro...

L’uso di seme di trifoglio squarroso trattato con un inoculante microbico a base di funghi micorrizici, Trichoderma atroviride e batteri della rizosfera determina un incremento della crescita delle piante e dell’accumulo di biomassa e il 20% con conseguente maggiore azoto disponibile per la coltura in successione.

Natural biostimulants are one of the most promising and eco-sustainable technologies, which can improve the qualitative and productive attributes of horticultural crops. The positive effects of their application derive from their “signaling role” as elicitors of auxin- and gibberellin-like activity, thus constituting a valid alternative to syntheti...

Currently, vegetable production systems have been changed to improve yield and quality, leading to an improvement in sustainability. In horticultural cultivation, one of the most important sectors is the seedling production in nurseries. In the past, horticultural seedlings were produced directly by farmers. Nowadays, industrialized nurseries provi...

Sweet cherry is a high value crop and the economic success of its cultivation depends not only on yield but also on fruit visual and nutritional quality attributes that influence consumer acceptability, as well as on fruit post-harvest performance and resistance to cracking. During the last few decades, cherry growers have tried to achieve these go...

Despite scientific evidence supporting the biostimulant activity of protein hydrolysates (PHs) derived from vegetal or animal sources, the morpho-physiological and biochemical mechanisms underlying the biostimulant action of PHs from plant biomass or animal by-products are still poorly explored. Accordingly, we performed a greenhouse experiment for...

Despite the scientific evidence supporting their biostimulant activity, the molecular mechanism(s) underlying the activity of protein hydrolysates (PHs) and the specificity among different products are still poorly explored. This work tested five different protein hydrolysates, produced from different plant sources using the same enzymatic approach...

Nel nuovo Regolamento euro-peo sui fertilizzanti approva-to il 27 marzo 2019 dal Parla-mento europeo i «biostimo-lanti delle piante» sono definiti come qualunque prodotto che stimola i pro-cessi nutrizionali delle piante indipen-dentemente dal suo tenore di nutrienti, con l'unica finalità di migliorare una o più delle seguenti caratteristiche del-l...

Basil (Ocimum basilicum L.) is among the most widespread aromatic plants due to its versatility of use and its beneficial health properties. This aromatic plant thrives in hydroponics, which is a valid tool to improve the production and functional quality of crops, but nevertheless, it offers the possibility to de-seasonalize production. A floating...

Plant biostimulants are substances (i.e., humic and fulvic acids, protein hydrolysates and seaweed extracts) and microbial inoculants (i.e., mycorrhizal fungi and plant growth promoting rhizobacteria-PGPR) that have been introduced as an efficient, safe and sustainable tool to optimize root system thus boosting crop performance, and nutrient use ef...

Microbial-based biostimulants can improve crop productivity by modulating cell metabolic pathways including hormonal balance. However, little is known about the microbial-mediated molecular changes causing yield increase. The present study elucidates the metabolomic modulation occurring in pepper (Capsicum annuum L.) leaves at the vegetative and re...

A two-year study was conducted in both spring-summer and fall seasons to evaluate calcium cyanamide (CaCN 2) as an alternative nitrogen (N) source for curly endive (Cichorium endivia L. var. crispum) grown in a Mediterranean environment. Four types of N applications were administered: (i) pre-transplanting base application of 100 kg N ha −1 corresp...

Plant biostimulants, including microbial and non-microbial based products, have been successfully used to improve agriculture productivity due to their ability to stimulate nutrient uptake, plant growth and to improve tolerance to abiotic stresses. An open field experiment was carried out on processing tomato (Solanum lycopersicum L.) with the aim...

The globe artichoke (Cynara cardunculus L. subsp. Scolymus (L.) Hegi) is a multi-year species rich in various classes of phytochemicals with known nutritional and pharmacological properties, such as polyphenols, sesquiterpene lactones, and terpenoids. Over the last decade, hybrids cultivars are transforming the artichoke market for their higher uni...

Herbaceous grafting is a propagation method largely used in solanaceous and cucurbit crops for enhancing their agronomic performances especially under (a)biotic stress conditions. Besides these grafting-mediated benefits, recent advances about microbial networking in the soil/root interface, indicated further grafting potentialities to act as soil...

The comprehension of the bioactive fractions involved in the biostimulant activity of plant derived protein hydrolysates (PH) is a complex task, but it can also lead to significant improvements in the production of more effective plant biostimulants. The aim of this work is to shed light onto the bioactivity of different PH dialysis fractions (PH1...

Plant biostimulants have gained great interest from the agrochemical industry and farmers because of their ability to enhance nutrient use efficiency and increase abiotic stress tolerance in crop production. However, despite the considerable potential of biostimulants for the sustainable development of the agricultural sector, the environmental eva...

Vegetable growers need high-quality transplants to ensure the success of their crops. Treating seedlings with protein hydrolysates and beneficial fungus Trichoderma atroviride has the potential to improve the health and quality of vegetable transplants via various biostimulant activities, but the best rates and application methods to achieve these...

L a definizione di biostimo-lante vegetale è stata a lungo dibattuta e attualmente quel-la presente nel nuovo regolamento europeo sui fertilizzanti (Reg. (UE) 2019/1009) è la seguente: "un pro-dotto fertilizzante dell'UE con la fun-zione di stimolare i processi nutrizio-nali delle piante indipendentemente dal tenore di nutrienti del prodotto, con l...

Microbial-based biostimulants can improve crop productivity by modulating cell metabolic pathways including hormonal bal-ance. However, little is known about the microbial-mediated molecular changes causing yield increase. The present studyelucidates the metabolomic modulation occurring in pepper (Capsicum annuum L.) leaves at the vegetative and re...

termici e ipossia radicale da ristagni idrici. In particolare l'utilizzo di microrga-nismi benefici come i funghi micorri-zici può sostenere la resistenza del-la pianta agli stress ambientali per tutto il ciclo colturale, dal momento che i funghi, durante la coltivazione in vivaio, instaurano un rapporto sim-biontico di tipo mutualistico che contin...

Microbial and non-microbial plant biostimulants have been successfully used to improve agriculture productivity in a more sustainable manner. Since the mode of action of biostimulants is still largely unknown, the present work aimed at elucidating the morpho-physiological and metabolomic changes occurring in maize (Zea mays L.) leaves and roots fol...

Distinctive strains of Pantoea are used as soil inoculants for their ability to promote plant growth. Pantoea agglomerans strain C1, previously isolated from the phyllosphere of lettuce, can produce indole-3-acetic acid (IAA), solubilize phosphate, and inhibit plant pathogens, such as Erwinia amylovora. In this paper, the complete genome sequence o...

L' orticoltura è il principale comparto agricolo in cui l'elevata reddittività delle colture induce a utilizzare i biostimolanti per migliorare la pro-duttività, la sostenibilità dei processi produttivi e la qualità del prodotto. Nelle produzioni orticole sia, in pieno campo sia in coltura protetta, l'apporto dei biostimolanti è finalizzato al ragg...

The ability of plants to take up phosphorus (P) from soil depends on root morphology and root exudates release and can be modulated by beneficial soil microbes. These microbes can solubilize P, affect root elongation and branching, and lead to a higher uptake of P and other nutrients. However, coordination of these mechanisms is unclear, especially...