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Multifunctional Surface, Subsurface, and Systemic Therapeutic (MS3T) Formulation for the Control of Citrus Canker
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2021-09-10 , DOI: 10.1021/acs.jafc.1c03323 Stephen L Smith , Maria G N Campos , Ali Ozcan , Hajeewaka C Mendis , Mikaeel Young , Monty E Myers 1 , Michael Atilola , Mitsushita Doomra , Zon Thwin , Evan G Johnson 2 , Swadeshmukul Santra
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2021-09-10 , DOI: 10.1021/acs.jafc.1c03323 Stephen L Smith , Maria G N Campos , Ali Ozcan , Hajeewaka C Mendis , Mikaeel Young , Monty E Myers 1 , Michael Atilola , Mitsushita Doomra , Zon Thwin , Evan G Johnson 2 , Swadeshmukul Santra
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A multifunctional surface, subsurface and systemic therapeutic (MS3T) formulation comprised of two bactericides, both didecyldimethylammonium chloride (DDAC) and a zinc (Zn)-chelate, was developed as an alternative to copper pesticides for crop protection. Agricultural grade chemicals were used to prepare MS3T formulations. Minimal inhibitory concentration (MIC) was determined to be tested in vitro against Xanthomonas alfalfae subsp. citrumelonis (herein called Xa), Escherichia coli (E. coli), and Pseudomonas syringae (Ps). Assessment of the phytotoxic potential was carried out on tomato under greenhouse conditions. Moreover, field trials were conducted during three consecutive years on grapefruit (Chrysopelea paradise) groves to evaluate efficacy against citrus canker (Xanthomonas citri subsp. citri), scab (Elsinoe fawcetti), and melanose (Diaporthe citri). In addition to disease control, improvements to both fruit yield and quality were observed likely due to the nutritional activity of MS3T via the sustained release of plant nutrients (Zn and nitrogen). Zn residues of leaf tissues were analyzed via atomic absorption spectroscopy (AAS) at various time points before and after MS3T foliar applications throughout the duration of the 2018 field trial. Field trial results demonstrated MS3T to be an effective alternative to copper (Cu)-based formulations for the control of citrus canker.
中文翻译：
用于控制柑橘溃疡病的多功能表面、次表面和全身治疗 (MS3T) 制剂
开发了一种由两种杀菌剂组成的多功能表面、亚表面和全身治疗 (MS3T) 配方，包括二癸基二甲基氯化铵 (DDAC) 和锌 (Zn) 螯合物，可替代铜农药用于作物保护。农业级化学品用于制备 MS3T 配方。确定最小抑制浓度 (MIC) 以在体外针对黄单胞菌苜蓿亚种进行测试。柑橘属（在此称为Xa）、大肠杆菌（大肠杆菌）和丁香假单胞菌（PS）。在温室条件下对番茄进行了植物毒性潜力的评估。此外，连续三年在葡萄柚（Chrysopelea Heaven）小树林中进行了田间试验，以评估对柑橘溃疡病（Xanthomonas citri subsp. citri ）、疮痂病（Elsinoe fawcetti）和黑糖病（Diaporthe citri）的功效）。除了疾病控制之外，还观察到了果实产量和质量的改善，这可能是由于 MS3T 通过持续释放植物养分（锌和氮）的营养活性。在整个 2018 年田间试验期间，在 MS3T 叶面施用前后的不同时间点，通过原子吸收光谱 (AAS) 分析了叶片组织的锌残留。现场试验结果表明，MS3T 是控制柑橘溃疡病的铜 (Cu) 基配方的有效替代品。
更新日期：2021-09-22
中文翻译：
用于控制柑橘溃疡病的多功能表面、次表面和全身治疗 (MS3T) 制剂
开发了一种由两种杀菌剂组成的多功能表面、亚表面和全身治疗 (MS3T) 配方，包括二癸基二甲基氯化铵 (DDAC) 和锌 (Zn) 螯合物，可替代铜农药用于作物保护。农业级化学品用于制备 MS3T 配方。确定最小抑制浓度 (MIC) 以在体外针对黄单胞菌苜蓿亚种进行测试。柑橘属（在此称为Xa）、大肠杆菌（大肠杆菌）和丁香假单胞菌（PS）。在温室条件下对番茄进行了植物毒性潜力的评估。此外，连续三年在葡萄柚（Chrysopelea Heaven）小树林中进行了田间试验，以评估对柑橘溃疡病（Xanthomonas citri subsp. citri ）、疮痂病（Elsinoe fawcetti）和黑糖病（Diaporthe citri）的功效）。除了疾病控制之外，还观察到了果实产量和质量的改善，这可能是由于 MS3T 通过持续释放植物养分（锌和氮）的营养活性。在整个 2018 年田间试验期间，在 MS3T 叶面施用前后的不同时间点，通过原子吸收光谱 (AAS) 分析了叶片组织的锌残留。现场试验结果表明，MS3T 是控制柑橘溃疡病的铜 (Cu) 基配方的有效替代品。
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