Regulation of Photosynthesis in Crop for Sustainable Production

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Farming Sustainability".

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 2649

Special Issue Editors


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Institute of Research on Terrestrial Ecosystems (IRET), Consiglio Nazionale delle Ricerche (CNR), 00185 Rome, Italy
Interests: plant physiological ecology; modelling of environmental botany; stress physiology; stomatal conductance; photosynthesis; ozone; drought; climate change
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Guest Editor
Research Institute on Terrestrial Ecosystems-National Research Council (IRET-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, FI, Italy
Interests: plant ecophysiology; plant responses; signalling under abiotic stress; antioxidant compounds; trace metals; soil-plant-water-nutrient relations; biostimulants; cropping system modelling; crop physiology; photosynthesis and chlorophyll fluorescence; greenhouses gas emissions; biosphere-atmosphere interactions; micrometeorological measures; precision agriculture
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Population growth and the uncertainties derived from global climate change present the need to improve photosynthetic efficiency, the main driving force for plant growth and biomass production, of importance to ensure food security over the coming decades and an exciting opportunity to address the challenge of sustainable yield increases required to meet future food and raw plant material demand. Although it was generally believed that plant photosynthesis had already been optimized during evolution to perform at its optimum, recent studies have shown that photosynthetic processes can be adjusted to be more efficient for future climate change. As a consequence, a range of opportunities aimed at enhancing the photosynthetic capacity have been proposed, and promising results have been obtained in recent decades. Better understanding of the regulation of crop photosynthesis would therefore enable agriculture to keep pace with the exponential demand for increased yield from the growing human population.

This Special Issue will focus on the “Regulation of Photosynthesis in Crops for Sustainable Production”. We welcome novel research, reviews, and opinion pieces covering all related topics, including beneficial microorganisms, crop genetics and improvement, novel crops, phenotyping, management solutions, modelling, and case studies from the field. Studies in the broad areas of plant physiology, crop science, and climate change are welcomed.

Dr. Yasutomo Hoshika
Dr. Sara Di Lonardo
Guest Editors

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Keywords

  • photosynthesis
  • yield improvement
  • crop phenotype
  • crop genetics and improvement
  • photosynthetic CO2 assimilation
  • climate change

Published Papers (1 paper)

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Research

16 pages, 2477 KiB  
Article
Impact of Selected PSII Parameters on Barley DH Lines Biomass and Yield Elements
by Tomasz Warzecha, Edyta Skrzypek, Jan Bocianowski and Agnieszka Sutkowska
Agronomy 2021, 11(9), 1705; https://doi.org/10.3390/agronomy11091705 - 26 Aug 2021
Cited by 5 | Viewed by 1693
Abstract
In our study, we focused on the link among various parameters of chlorophyll a fluorescence and yield elements in the barley doubled haploid (DH) lines. There were significant differences in all studied DH lines, both in yield components and parameters of chlorophyll a [...] Read more.
In our study, we focused on the link among various parameters of chlorophyll a fluorescence and yield elements in the barley doubled haploid (DH) lines. There were significant differences in all studied DH lines, both in yield components and parameters of chlorophyll a fluorescence. The most variable parameter was overall performance index of PSII (PI) while the least was the amount of energy trapped in PSII reaction centers (TRo/CS). Considering yield components, high variation was also observed in the subsequent order from highest to lowest variation: biomass, thousand-grain weight (TGW) and grain number per plant (GNP). Significant negative correlation was found among the following fluorescence parameters: PI and light energy absorption (ABS/CS), as well as between maximum photochemical efficiency (Fv/Fm) and TGW, and between biomass and electron acceptors pool size from PSII (Area). Conversely, significant positive correlation was found between: Area and PI, Area and energy used for electron transport (ETo/CS), Area and GNP, PI and ETo/CS, PI and GNP, ABS/CS and TRo/CS, as well as between ETo/CS and GNP. Yield components combined with fluorescence parameters of chlorophyll a expressed with canonical variate analysis did not clearly distinguish the barley DH lines into hulled and hull-less groups. The mean value for these groups significantly differs only for ETo/CS and TGW values. The other parameters are distributed almost uniformly in hulled and hull-less lines. However, certain hull-less DH lines possess higher yield parameters compared to parental forms, which suggests a possibility of occurrence of transgression effects. The results suggest the chance to find valuable hull-less forms that are desired by breeders and plant producers, since these forms possess favorable functional features. Full article
(This article belongs to the Special Issue Regulation of Photosynthesis in Crop for Sustainable Production)
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