Phys.org November 13, 2024 Researchers in India demonstrated that zinc in nano form (Zn Nano) and chelated form (Zn EDTA) effectively alleviates stress, improves photosynthetic efficiency and protects the photosynthetic apparatus. The study highlighted the crucial role of the xanthophyll cycle pigments—violaxanthin, antheraxanthin, and zeaxanthin—in dissipating excess light energy, with zinc treatments enhancing their protective effects under stress. The study also discussed the possible roles of Zn binding chloroplastic proteins in water stress alleviation. According to the researchers their findings underscore the potential of zinc foliar sprays, particularly in nano form, as an effective strategy to boost drought resilience in […]
Tag Archives: Food security
Researchers: We’ve Underestimated The Risk of Simultaneous Crop Failures Worldwide
Science Alert July 5, 2023 Concurrent weather extremes driven by a strongly meandering jet stream could trigger simultaneous harvest failures across major crop-producing regions, but so far this has not been quantified. The ability of state-of-the art crop and climate models to adequately reproduce such high impact events is a crucial component for estimating risks to global food security. An international team of researchers (USA – Columbia University, Germany) has found an increased likelihood of concurrent low yields during summers featuring meandering jets in observations and models. While climate models accurately simulate atmospheric patterns, associated surface weather anomalies and negative […]
Aquaculture at the crossroads of global warming and antimicrobial resistance
Science Daily April 20, 2020 Fish farmers use large quantities of antimicrobials to treat or prevent disease on their farms. However, when used inappropriately, antimicrobials are ineffective and foster the development of resistant bacteria. An international team of researchers (France, Germany) conducted a double meta-analysis to explore how global warming and antimicrobial resistance impact aquaculture. They calculated a Multi-Antibiotic Resistance index (MAR) of aquaculture-related bacteria for 40 countries. They showed that aquaculture MAR indices correlate with MAR indices from human clinical bacteria, temperature and countries’ climate vulnerability and infected aquatic animals present higher mortalities at warmer temperatures. They raise the […]