Effects of zinc oxide nanoparticles (ZnO NPs) and some plant pathogens on the growth and nodulation of lentil (Lens culinaris Medik.)

Z. A. Siddiqui; A. Khan; M. R. Khan; E. F. Abd-Allah

doi:10.1556/038.53.2018.012

Acta Phytopathologica et Entomologica Hungarica

Volume/Issue:: Volume 53: Issue 2

Effects of zinc oxide nanoparticles (ZnO NPs) and some plant pathogens on the growth and nodulation of lentil (Lens culinaris Medik.)

Authors:

Z. A. Siddiqui

Z. A. Siddiqui Department of Botany, Aligarh Muslim University, Aligarh-202002(U.P.), India

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A. Khan

A. Khan Department of Botany, Aligarh Muslim University, Aligarh-202002(U.P.), India

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M. R. Khan

M. R. Khan Department of Botany, Aligarh Muslim University, Aligarh-202002(U.P.), India

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, and

E. F. Abd-Allah

E. F. Abd-Allah Department of Plant Production, Faculty of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia

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Pages:: 195–211

Online Publication Date:: Dec 2018

Publication Date:: 01 Dec 2018

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/038.53.2018.012

Keywords:: Root nodulation Rhizobium sp.; disease management; plant pathogens

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Effects of ZnO nanoparticles (NPs) were studied on lentil plants inoculated with Alternaria alternata, Fusarium oxysporum f. sp. lentis, Xanthomonas axonopodis pv. phaseoli, Pseudomonas syringae pv. syringae and Meloidogyne incognita. Plant growth, chlorophyll, carotenoid contents, nitrate reductase (NR) activity and nodulation of lentil both in the presence and absence of Rhizobium sp. were examined in a pot test. Inoculation of plants with A. alternata / F. oxysporum f. sp. lentis / X. axonopodis pv. phaseoli / P. syringae pv. syringae or M. incognita caused a significant reduction in plant growth, number of pods per plant, chlorophyll, carotenoids and NR activity over uninoculated control. Inoculation of plants with Rhizobium sp. with or without pathogen increased plant growth and number of pods per plant, chlorophyll, carotenoids and NR activity. When plants were grown without Rhizobium, a foliar spray of plants with 10 ml solution of 0.1 mg ml^–1of ZnO NPs per plant caused a significant increase in plant growth and number of pods, chlorophyll, carotenoid contents and NR activity in both inoculated and uninoculated plants. Spray of ZnO NPs to plants inoculated with Rhizobium sp. caused non significant increase in plant growth, number of pods per plant, chlorophyll, carotenoid contents and NR activity when plants were either uninoculated or inoculated with pathogens. Numbers of nodules per root system were high in plants treated with Rhizobium sp. but foliar spray of ZnO NPs had adverse effect on nodulation. Inoculation of plants with test pathogens also reduced nodulation. Spray of ZnO NPs to plants reduced galling, nematode multiplication, wilt, blight and leaf spot disease severity indices.

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Acta Phytopathologica et Entomologica Hungarica

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Jenő KONTSCHÁN Centre for Agricultural Research, Hungary

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K SALÁNKI Centre for Agricultural Research, Hungary

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Z BOZSÓ Centre for Agricultural Research, Hungary

PE CHETVERIKOV Saint-Petersburg State University, Russia

JX CUI Henan Institute of Science and Technology, China

J FODOR Centre for Agricultural Research, Hungary

Z IMREI Centre for Agricultural Research, Hungary

BM KAYDAN Çukurova University, Turkey

L KISS University of Southern Queensland, Australia

V MARKÓ Hungarian University of Agriculture and Life Sciences, Hungary

MW NEGM Ibaraki University, Japan

L PALKOVICS Széchenyi István University, Hungary

M POGÁNY Centre for Agricultural Research, Hungary

D RÉDEI National Chung Hsing University, Taiwan

A TOLSTIKOV University of Tyumen, Russia

J VUTS Rothamsted Research, UK

GQ WANG Guangxi University, China

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Acta Phytopathologica et Entomologica Hungarica
Language	English
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