Research Topic: plant physiology

Integration of physio-biochemical, biological and molecular approaches to improve heavy metal tolerance in plants

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Heavy metals in soil can poison plants and damage crops, reducing food safety. Plants have natural defense systems that can be strengthened through adding minerals like silicon and boron, applying plant hormones, using specially designed nanoparticles, and improving soil quality. This review explains how different combinations of these approaches can help plants survive in contaminated soil and produce safer food.

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Physiological characteristics during the formation of aromatic components in xylem of Aquilaria sinensis induced by exogenous substances

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Agarwood, a valuable aromatic wood, can be artificially produced by applying special chemical and fungal treatments to Aquilaria sinensis trees. This study found that these treatments trigger the tree’s natural defense systems, increasing production of protective hormones and enzymes that promote the formation of aromatic compounds. By understanding these physiological responses, scientists can optimize agarwood production techniques and reduce pressure on wild populations of this endangered tree species.

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The Importance of Humic Acids in Shaping the Resistance of Soil Microorganisms and the Tolerance of Zea mays to Excess Cadmium in Soil

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This research explores how humic acids, which are natural organic substances found in soil, can help protect plants and soil bacteria from cadmium, a toxic heavy metal. When cadmium contaminated soil, the application of humic acid preparation called Humus Active promoted the growth of specialized bacteria that can tolerate and break down cadmium. As a result, corn plants grew better and maize biomass increased significantly when the soil was treated with the humic preparation, suggesting this is a practical solution for farming on contaminated land.

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Root anatomy governs bi-directional resource transfer in mycorrhizal symbiosis

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This research reveals how the shape and structure of plant roots influence their ability to exchange nutrients and carbon with symbiotic fungi. The study shows that thicker roots face challenges in efficiently acquiring nutrients because they require more energy to transport nutrients across their thicker outer tissues. Fortunately, mycorrhizal fungi can help overcome this limitation when they position themselves deeper within the root structure, reducing the energy cost of moving nutrients to the plant’s vascular system.

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The influence of mycorrhizal hyphal connections and neighbouring plants on Plantago lanceolata physiology and nutrient uptake

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Fungi that live in soil form partnerships with plant roots and can extend underground networks connecting multiple plants. In this study, plants with access to expanded fungal networks captured more carbon through photosynthesis, accumulated more nutrients like phosphorus and zinc, and released more carbon into the soil. However, whether neighboring plants were present or what type they were did not significantly change these benefits, suggesting that soil exploration volume matters more than plant-to-plant connections through fungal networks.

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