The promising MultispeQ device for tracing the effect of seed coating with biostimulants on growth promotion, photosynthetic state and water–nutrient stress tolerance in durum wheat

Ben-Jabeur, Maissa; Gracia‐Romero, Adrian; López-Cristoffanini, Camilo; Vicente, Rubén; Kthiri, Zayneb; Kefauver, Shawn C.; López-Carbonell, Marta; Serret, María Dolores; Araus, J. L.; Hamada, Walid

doi:10.1007/s41207-020-00213-8

Cited by 18 publications

(13 citation statements)

References 37 publications

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“…Co-inoculants of AMF and PGPB onto seeds of soybean in the laboratory and under greenhouse conditions improved the germination, seedling growth, and potassium uptake under drought and salinity stress [ 125 ]. In the greenhouse experiment, the growth and photosynthetic state of T. turgidum were promoted by seed coating with PGPB Paraburkholderia phytofrmans under water-nutrient stress [ 204 ].…”

Section: Microbial Seed Coating?mentioning

confidence: 99%

Microbial seed coating: An attractive tool for sustainable agriculture

Paravar

Piri

Balouchi

et al. 2023

Biotechnology Reports

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Section: Microbial Seed Coating?mentioning

confidence: 99%

Microbial seed coating: An attractive tool for sustainable agriculture

Paravar

Piri

Balouchi

et al. 2023

Biotechnology Reports

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“…Biostimulants can activate multifaceted aspects in the treated plants, but photosynthesis enhancements and biomass production have been very often recorded, both under normal and biotic and abiotic stress conditions [40]. In particular, bioactive compounds can improve plant efficiency by enhancing specific aspects of the photosynthetic machinery, improving its efficiency in capturing light and modulating electron and proton transfer in chloroplasts [41].…”

Section: Discussionmentioning

confidence: 99%

Insight into the Biostimulant Effect of an Aqueous Duckweed Extract on Tomato Plants

Priolo,

Tolisano,

Brienza

et al. 2024

Agriculture

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Agricultural systems must improve their sustainability and productivity to meet the growing global demand for food. A cost-effective and sustainable way is the development of biostimulants from plants rich in bioactive compounds. This study aimed to test an aqueous extract from Lemna minor L. (duckweed) on tomato plants at different concentrations (LE—0.1, 0.5 and 1.0%—weight/volume, w/v). Photosystem I and II activity, linear electron flow (LEF), electrochemical gradient across the thylakoid membrane (ECSt), shoot biomass production, root phenotyping, pigment and metabolite content were studied. LE improved many of these traits, with LE 0.5% being the most effective dosage. Compared to the untreated samples, LE significantly stimulated photosystems to use light energy while reducing the amount lost as heat (PhiNPQ and NPQt) or potentially toxic to chloroplasts (PhiNO). These results were supported by the improved shoot biomass production (number of leaves and fresh and dry weight) and root traits (number of tips, surface, volume and fresh and dry weight) found for LE-treated samples compared to untreated controls. Finally, the study highlighted that LE increased pigment and flavonoid contents. In conclusion, the research indicates that this species can be an effective and eco-friendly tool to stimulate beneficial responses in tomato.

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“…Our observations from a study measuring net photosynthesis with CI-340 during a recent trial of a large set of cowpea accessions under hot, irrigated conditions in the field showed that heat stress could impact net photosynthesis. The use of a low-cost, high-throughput photosynthesis measurement device like Multispeq [106] that measures several parameters, including photosynthetic active radiation, chlorophyll contents, fluorescence parameters, and a host of other fluorescence base traits could facilitate screening for photosynthesis traits in breeding programs.…”

Section: Stomatal Conductancementioning

confidence: 99%

Enhancing Cowpea Tolerance to Elevated Temperature: Achievements, Challenges and Future Directions

Mohammed,

Ongom,

Togola

et al. 2024

Agronomy

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Despite its ability to thrive in high-temperature environments, cowpea productivity can be hampered by heat stress, particularly when night air temperatures exceed 17 °C. The crop’s germplasm pool potentially possesses significant genetic variability that can be harnessed to breed for heat-tolerant varieties. Progress in improving the crop for heat tolerance has been limited, especially under the hot, short-day environments typical of sub-Saharan Africa. Only a few heat-tolerant varieties have been released, partly due to the limited understanding of heat stress tolerance mechanisms and environmental interaction effects on genotypes, as well as imprecise phenotyping. This review contributes to the literature on cowpea heat stress by highlighting key achievements, challenges, and future directions in breeding heat-tolerant cowpea genotypes and by providing additional information from the recent literature. We opine that the genetic variability for heat tolerance-related traits in cowpea has not been sufficiently exploited in developing varieties adapted to the target production environments. Therefore, attention should be given to assessing the crop’s genetic repository by targeting adaptive, morphological, and physiological traits that enhance heat stress tolerance. We propose that breeding programs integrate phenotyping of whole-plant physiological traits and molecular breeding to identify breeder-friendly markers for routine selection. This should be followed by introgression of the heat-tolerant favourable alleles to adapted susceptible varieties using rapid and precise approaches that take advantage of modern genetic and genomic resources such as innovative genetic resources, genomic selection, speed breeding, and genome editing technologies. These tools hold great promise in fast-tracking the development of improved heat-tolerant varieties and incorporating the must-have traits preferred by cowpea farmers and consumers. In view of the likely increase in atmospheric temperature to be occasioned by climate change, there is an urgent need to develop heat-tolerant cowpea varieties to ensure the sustainability of current and future cropping and agri-food systems.

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The promising MultispeQ device for tracing the effect of seed coating with biostimulants on growth promotion, photosynthetic state and water–nutrient stress tolerance in durum wheat

Cited by 18 publications

References 37 publications

Microbial seed coating: An attractive tool for sustainable agriculture

Microbial seed coating: An attractive tool for sustainable agriculture

Insight into the Biostimulant Effect of an Aqueous Duckweed Extract on Tomato Plants

Enhancing Cowpea Tolerance to Elevated Temperature: Achievements, Challenges and Future Directions

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