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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Chitosan guar nanoparticle preparation and its in vitro antimicrobial activity towards phytopathogens of rice
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Chitosan guar nanoparticle preparation and its in vitro antimicrobial activity towards phytopathogens of rice

机译:壳聚糖瓜尔纳米粒子制剂及其对水稻植物病变的体外抗微生物活性

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摘要

The aim of the present study was to prepare chitosan guar nanoparticle (CGNP) with high antimicrobial activity to use as a bioprotectant against rice phytopathogens. Nanoparticles were prepared using sodium tripolyphosphate by the ionic gelation method. The physico-chemical properties of nanoparticles were characterized through DLS, RIR, TEM, SEM, AFM and XRD. The application of CGNP to rice seeds stimulated seed germination and seedling growth. CGNP showed growth inhibition towards rice pathogens P. grisea and X. oryzae under in-vitro condition. Excised rice leaves treated with CGNP and challenged with P. grisea showed no blast disease symptom whereas control leaves showed very high blast disease symptom. The results of this study indicate that CGNP can be used as an antimicrobial agent to control blast, blight disease of rice. (C) 2020 Elsevier B.V. All rights reserved.
机译:本研究的目的是用高抗微生物活性制备壳聚糖瓜尔纳米粒子(CGNP),以用作对水稻植物藻藻植物的生物保护剂。 使用离子凝胶化方法使用三聚磷酸钠制备纳米颗粒。 通过DLS,RIR,TEM,SEM,AFM和XRD表征纳米颗粒的物理化学性质。 CGNP在稻种刺激种子萌发和幼苗生长中的应用。 CGNP在体外条件下表现出对水稻P.Grisea和X. Oryzae的生长抑制作用。 用CGNP治疗的切除的稻壳并用P.Grisea挑战挑战,显示出爆炸症症状,而对照叶片显示出非常高的爆炸症症状。 该研究的结果表明CGNP可以用作控制爆炸,枯萎病的抗微生物剂。 (c)2020 Elsevier B.v.保留所有权利。

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