Recent approaches for controlling downy mildew of cucumber under greenhouse conditions

The efficacy of biocontrol agents (effective microorganisms (EMs1), Bacillus subtilus, and Bacillus pumilus), zinc oxide nanoparticles, castor and clove oils, as well as of a recommended fungicide (famoxadone + cymoxanil) utilised during two growing seasons under greenhouse conditions against downy...

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Main Authors: Ahmed Mohamed, Amany Hamza, Aly Derbalah
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2016-03-01
Series:Plant Protection Science
Subjects:
Online Access:https://pps.agriculturejournals.cz/artkey/pps-201601-0001_recent-approaches-for-controlling-downy-mildew-of-cucumber-under-greenhouse-conditions.php
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author Ahmed Mohamed
Amany Hamza
Aly Derbalah
author_facet Ahmed Mohamed
Amany Hamza
Aly Derbalah
author_sort Ahmed Mohamed
collection DOAJ
description The efficacy of biocontrol agents (effective microorganisms (EMs1), Bacillus subtilus, and Bacillus pumilus), zinc oxide nanoparticles, castor and clove oils, as well as of a recommended fungicide (famoxadone + cymoxanil) utilised during two growing seasons under greenhouse conditions against downy mildew of cucumber were evaluated. Furthermore, GC-MS analysis was carried out to identify the bioactive chemical components of plant origin oils (castor and clove). The effect of these treatments on some biochemical, growth, and yield characters of cucumber was also investigated. Famoxadone + cymoxanil was the most effective treatment in both test seasons, followed by clove oil, zinc oxide, EMs1, Bacillus pumilus, Bacillus subtilus, and castor oil. The results showed a significant effect of all the treatments on some biochemical (chlorophyll content, peroxidase, and polyphenoloxidase) as well as growth and yield characters (plant height, fruit number per plant, and fruit yield) of the cucumber plants relative to control.
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spelling doaj.art-ad2e6be961c343248c3dbb3466205fb62023-02-23T03:44:17ZengCzech Academy of Agricultural SciencesPlant Protection Science1212-25801805-93412016-03-015211910.17221/63/2015-PPSpps-201601-0001Recent approaches for controlling downy mildew of cucumber under greenhouse conditionsAhmed Mohamed0Amany Hamza1Aly Derbalah2Plant Pathology Research Institute, Agricultural Research Centre, Giza, EgyptPesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafr-El-Shiekh University, Kafr El-Sheikh, EgyptPesticides Chemistry and Toxicology Department, Faculty of Agriculture, Kafr-El-Shiekh University, Kafr El-Sheikh, EgyptThe efficacy of biocontrol agents (effective microorganisms (EMs1), Bacillus subtilus, and Bacillus pumilus), zinc oxide nanoparticles, castor and clove oils, as well as of a recommended fungicide (famoxadone + cymoxanil) utilised during two growing seasons under greenhouse conditions against downy mildew of cucumber were evaluated. Furthermore, GC-MS analysis was carried out to identify the bioactive chemical components of plant origin oils (castor and clove). The effect of these treatments on some biochemical, growth, and yield characters of cucumber was also investigated. Famoxadone + cymoxanil was the most effective treatment in both test seasons, followed by clove oil, zinc oxide, EMs1, Bacillus pumilus, Bacillus subtilus, and castor oil. The results showed a significant effect of all the treatments on some biochemical (chlorophyll content, peroxidase, and polyphenoloxidase) as well as growth and yield characters (plant height, fruit number per plant, and fruit yield) of the cucumber plants relative to control.https://pps.agriculturejournals.cz/artkey/pps-201601-0001_recent-approaches-for-controlling-downy-mildew-of-cucumber-under-greenhouse-conditions.phpplant pathogencucurbitsplant oilsnanoparticlesbioagents
spellingShingle Ahmed Mohamed
Amany Hamza
Aly Derbalah
Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
Plant Protection Science
plant pathogen
cucurbits
plant oils
nanoparticles
bioagents
title Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
title_full Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
title_fullStr Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
title_full_unstemmed Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
title_short Recent approaches for controlling downy mildew of cucumber under greenhouse conditions
title_sort recent approaches for controlling downy mildew of cucumber under greenhouse conditions
topic plant pathogen
cucurbits
plant oils
nanoparticles
bioagents
url https://pps.agriculturejournals.cz/artkey/pps-201601-0001_recent-approaches-for-controlling-downy-mildew-of-cucumber-under-greenhouse-conditions.php
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AT alyderbalah recentapproachesforcontrollingdownymildewofcucumberundergreenhouseconditions