Synergistic effects of nanochitin on inhibition of tobacco root rot disease

被引：32

作者：

Zhou, Yang ^{[1
,2
]}

Jiang, Shijun ^{[1
,2
]}

Jiao, Yongji ^{[2
]}

Wang, Hezhong ^{[1
]}

机构：

[1] Henan Agr Univ, NanoAgro Ctr, Zhengzhou 450002, Peoples R China

[2] Henan Agr Univ, Coll Plant Protect, Zhengzhou 450002, Peoples R China

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2017年 / 99卷

关键词：

Nanochitin; Tobacco root rot disease; Synergistic effect; ANTIFUNGAL ACTIVITY; IN-VITRO; CHITIN NANOCRYSTALS; OXIDE NANOPARTICLES; MOLECULAR-WEIGHT; ZINC-OXIDE; CHITOSAN; GROWTH; PLANT; GERMINATION;

D O I：

10.1016/j.ijbiomac.2017.02.069

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Nanomaterials have great potential for use in various fields, due to their unique properties. In order to explore the bioactivity of nanochitin on tobacco, the effects of nanochitin suspensions on tobacco seed germination, seedling growth, and synergistic effects with fungicides were studied in indoor and field trials. Results showed that 0.004% (w/v) of nanochitin improved tobacco seed germination and shortened mean time to germination significantly; 0.005% (w/v) of nanochitin increased tobacco stem length, stem girth, leaf number and leaf area, and 0.001% (w/v) of nanochitin had synergistic effects on inhibition of tobacco root rot when mixed with metalaxyl mancozeb and thiophanate methyl fungicides. This indicates that nanochitin suspensions have a strong potential to protect tobacco from tobacco root rot diseases and reduce the use of chemical fungicides in tobacco plantations. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：205 / 212

页数：8

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