Chemical priming by humic substances is a promising field tool in plant stress physiology and crop stress management. Global market of humic substances has been increasing steadily based on the perception of the multifunctional properties as plant biostimulant, microbial vehicle and plant protective agent … See more The HA used in this study showed low carbon (47%), high nitrogen (6%) and oxygen content (44%). Its chemical nature was characterized by large carbohydrate moieties as revealed … See more The HA showed high bioactivity typical from vermicompost with bell-shaped dose–response curve (Fig. 1a) with best dose ranging from 3.5 to 4 mM C L−1. The root fresh weight at best HA concentration was around 80% … See more The subsequent exposition of maize seedlings primed by HA by different abiotic stress did not affect root growth (Fig. 8) with exception of chromium toxicity, the increase of which observed in the PS seedlings was … See more The previous treatment with the best dose of HA induced the classical mechanisms of abiotic stress defense monitored by antioxidant enzymatic activity and compatible solutes … See more WebApr 9, 2024 · Humins, humic and fulvic acids represent molecules with complex structures. These compounds comprising humic substances (HS) exist naturally in soil, brown coal, peat, and water. They are formed during the decomposition and transformation of organic matter (animal and plant remains) and their formation explains several theories. Within …
Bioactivity of Humic Acids Extracted From Shale Ore: Molecular ... - PubMed
WebHere, we explored the plant chemical priming effect concept, i.e., plant preconditioning by prior exposure to an appropriate dose of humic acids with the objective to reduce toxicity … WebJun 25, 2024 · Here, we explored the plant chemical priming effect concept, i.e., plant preconditioning by prior exposure to an appropriate dose of humic acids with the objective to reduce toxicity from a subsequent harmful exposure to abiotic stressor, such as salinity, drought, heavy metals and humic acids themselves.Materials and methods: The prime … gfs wave history
Humic Acid-A Critical Review
WebJun 25, 2024 · Here, we explored the plant chemical priming effect concept, i.e., plant preconditioning by prior exposure to an appropriate dose of humic acids with the … WebHumic acid is not a fertilizer as it does not directly provide nutrients to plants, but is a compliment to fertilizer. Nicotinamide (Vitamin pp) is a stress-associated compound that can induce and regulate secondary metabolic accumulation and/or the manifestation of defense metabolism in plants. christ the fair glory of the holy angels